# USA

**URL:** https://forum.ipums.org/c/usa/24.md?page=1

[Latest](https://forum.ipums.org/latest.md) · [Categories](https://forum.ipums.org/categories.md)

**Page:** 2

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## [Correction for weights change in 2006 for marital rates](https://forum.ipums.org/t/correction-for-weights-change-in-2006-for-marital-rates/7079)

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**Author:** [@Wonjeong\_Jeong](https://forum.ipums.org/u/Wonjeong_Jeong)\
**Replies:** 1\
**Last updated:** [May 19, 2026, 6:37pm UTC](https://forum.ipums.org/t/correction-for-weights-change-in-2006-for-marital-rates/7079 "2026-05-19T18:37:11Z")

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Hello, My collaborator and I are working with ACS microdata from IPUMS USA and have noticed a discontinuity in age-specific marital-status estimates around 2005-2006. Specifically, we are using MARST and PERWT to estim…

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## [Precinct level data 1900-1940 Full Count](https://forum.ipums.org/t/precinct-level-data-1900-1940-full-count/7057)

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**Author:** [@William\_Hildreth](https://forum.ipums.org/u/William_Hildreth)\
**Replies:** 1\
**Last updated:** [May 1, 2026, 6:15pm UTC](https://forum.ipums.org/t/precinct-level-data-1900-1940-full-count/7057 "2026-05-01T18:15:11Z")

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Are precinct level data available for counties in each of the 1900-1940 full count Census datasets? The 1930 Population Bulletin includes the data of population by county precincts. I would like to get the full count by …

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## [Consistent PUMAs in 2024 five-year ACS?](https://forum.ipums.org/t/consistent-pumas-in-2024-five-year-acs/7048)

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**Author:** [@wscarb21](https://forum.ipums.org/u/wscarb21)\
**Replies:** 1\
**Last updated:** [April 27, 2026, 10:34pm UTC](https://forum.ipums.org/t/consistent-pumas-in-2024-five-year-acs/7048 "2026-04-27T22:34:05Z")

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Hello wonderful IPUMS folks. Using the recently released 2024 five-year ACS data. Typically, we shouldn’t assume consistent PUMA boundaries across multi-year files with span redefinitions of these spatial units. But the …

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## [ACS2022 : Mortamt2 != 0 despite mortamt1==0](https://forum.ipums.org/t/acs2022-mortamt2-0-despite-mortamt1-0/7035)

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**Author:** [@watso220](https://forum.ipums.org/u/watso220)\
**Replies:** 1\
**Last updated:** [April 17, 2026, 4:16pm UTC](https://forum.ipums.org/t/acs2022-mortamt2-0-despite-mortamt1-0/7035 "2026-04-17T16:16:57Z")

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Hello, In ACS2022 1Y microdata, I see that there are about 9k HH observations where mortamt1==0 & mortamt2 != 0. As far as I can tell, this should not happen based on this phrase “By definition, respondents could not ha…

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## [Crosswalk from MIGPUMA (PWPUMA) to County](https://forum.ipums.org/t/crosswalk-from-migpuma-pwpuma-to-county/4874)

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**Author:** [@Juno\_Kim](https://forum.ipums.org/u/Juno_Kim)\
**Replies:** 4\
**Last updated:** [April 13, 2026, 8:34pm UTC](https://forum.ipums.org/t/crosswalk-from-migpuma-pwpuma-to-county/4874 "2026-04-13T20:34:04Z")

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Hi, I am working on a project about internal migration in the U.S. using the American Community Survey. As I browsed the data, I found the countyfip and migcounty1 variables, which seem to be very useful for generating …

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## [Failed to read DDI data file](https://forum.ipums.org/t/failed-to-read-ddi-data-file/7027)

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**Author:** [@Jose\_Funes](https://forum.ipums.org/u/Jose_Funes)\
**Replies:** 7\
**Last updated:** [April 10, 2026, 8:46pm UTC](https://forum.ipums.org/t/failed-to-read-ddi-data-file/7027 "2026-04-10T20:46:16Z")

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Hi, I am trying to read the ddi data (acs 2024) file, but I am getting an error message, see below. Please advise data ← read\_ipums\_micro(ddi) Use of data from IPUMS USA is subject to conditions including that users s…

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## [Westchester County in NYS](https://forum.ipums.org/t/westchester-county-in-nys/7034)

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**Author:** [@You\_Zheng](https://forum.ipums.org/u/You_Zheng)\
**Replies:** 2\
**Last updated:** [April 10, 2026, 8:29pm UTC](https://forum.ipums.org/t/westchester-county-in-nys/7034 "2026-04-10T20:29:41Z")

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We are conducting county-level analysis for Westchester, Rockland, and Putnam counties in New York State. However, I can only find Rockland County in the COUNTYFIP variable (with STATEFIP = 36) in both the 2010 and 2014 …

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## [WIF in IPUMS/earners definition](https://forum.ipums.org/t/wif-in-ipums-earners-definition/7029)

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**Author:** [@Yinuo\_Zhang](https://forum.ipums.org/u/Yinuo_Zhang)\
**Replies:** 3\
**Last updated:** [April 8, 2026, 7:31pm UTC](https://forum.ipums.org/t/wif-in-ipums-earners-definition/7029 "2026-04-08T19:31:39Z")

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I’m interested in calculate the number of earners in family for a finer geographic division. The Census Table B19122 suggests that the ACS collect those info, but I have no luck finding on single variable indicating this…

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## [INCBUSFM and INCFARM in multi-year files](https://forum.ipums.org/t/incbusfm-and-incfarm-in-multi-year-files/7030)

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**Author:** [@Yinuo\_Zhang](https://forum.ipums.org/u/Yinuo_Zhang)\
**Replies:** 1\
**Last updated:** [April 6, 2026, 6:37pm UTC](https://forum.ipums.org/t/incbusfm-and-incfarm-in-multi-year-files/7030 "2026-04-06T18:37:12Z")

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It is pretty clear from the variable descriptions of hhincome/inctot etc that values are standardized to dollars in the final year of data included in the multi-year ACS files. I notice that this language is missing for …

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## [Student Loans and Student Loan Amounts](https://forum.ipums.org/t/student-loans-and-student-loan-amounts/7019)

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**Author:** [@Helen\_Phillips](https://forum.ipums.org/u/Helen_Phillips)\
**Replies:** 1\
**Last updated:** [March 31, 2026, 3:14pm UTC](https://forum.ipums.org/t/student-loans-and-student-loan-amounts/7019 "2026-03-31T15:14:46Z")

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Are student loans and student loan amounts available in this dataset?

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## [African Americans in Dayton, Ohio from 1805-1850](https://forum.ipums.org/t/african-americans-in-dayton-ohio-from-1805-1850/5933)

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**Author:** [@Marlese\_Durr](https://forum.ipums.org/u/Marlese_Durr)\
**Replies:** 5\
**Last updated:** [March 30, 2026, 12:50pm UTC](https://forum.ipums.org/t/african-americans-in-dayton-ohio-from-1805-1850/5933 "2026-03-30T12:50:23Z")

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I am looking for the number of African Americans in Dayton, Ohio from 1805 through 1850.

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## [Estimating children ever born in linked historical census data when CHBORN is unavailable](https://forum.ipums.org/t/estimating-children-ever-born-in-linked-historical-census-data-when-chborn-is-unavailable/7021)

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**Author:** [@hellokitty678](https://forum.ipums.org/u/hellokitty678)\
**Replies:** 1\
**Last updated:** [March 29, 2026, 6:56pm UTC](https://forum.ipums.org/t/estimating-children-ever-born-in-linked-historical-census-data-when-chborn-is-unavailable/7021 "2026-03-29T18:56:39Z")

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Hello, I am working with linked historical census data and would like to estimate the total number of children ever born for men and women aged 40 and older. I realize that this is not directly observed for all persons…

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## [1910 San Francisco Enumeration District Issue](https://forum.ipums.org/t/1910-san-francisco-enumeration-district-issue/7011)

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**Author:** [@Noah\_F](https://forum.ipums.org/u/Noah_F)\
**Replies:** 1\
**Last updated:** [March 27, 2026, 7:43pm UTC](https://forum.ipums.org/t/1910-san-francisco-enumeration-district-issue/7011 "2026-03-27T19:43:01Z")

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I have been working on a project digitizing the 1900,1910,1920 enumeration district maps for San Francisco. I have completed the digitization and have merged in the IPUMS USA microdata on “ENUMDIST”. The 1900 and 1920 …

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## [Issue with Fetching Data](https://forum.ipums.org/t/issue-with-fetching-data/7007)

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**Author:** [@Ayelet\_Goldstein](https://forum.ipums.org/u/Ayelet_Goldstein)\
**Replies:** 1\
**Last updated:** [March 25, 2026, 3:00pm UTC](https://forum.ipums.org/t/issue-with-fetching-data/7007 "2026-03-25T15:00:53Z")

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Hi, I am having trouble accessing my downloaded date. It prompts “Fetching Data” for a long time with no data set in sight. Any suggestions?

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## [Does ACS healthcare coverage variable include college students (group quarters)?](https://forum.ipums.org/t/does-acs-healthcare-coverage-variable-include-college-students-group-quarters/7004)

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**Author:** [@tginsberg](https://forum.ipums.org/u/tginsberg)\
**Replies:** 2\
**Last updated:** [March 17, 2026, 4:02pm UTC](https://forum.ipums.org/t/does-acs-healthcare-coverage-variable-include-college-students-group-quarters/7004 "2026-03-17T16:02:05Z")

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I’m tabulating the variable HCOVANY by age group, including 18-24, which includes a lot of college students who may get coverage through a university. Anybody know whether HCOVANY or its component variables specifically …

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## [ACS 1-Year Supplemental Estimates](https://forum.ipums.org/t/acs-1-year-supplemental-estimates/6984)

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**Author:** [@Wanting\_Jiang](https://forum.ipums.org/u/Wanting_Jiang)\
**Replies:** 2\
**Last updated:** [March 3, 2026, 3:13am UTC](https://forum.ipums.org/t/acs-1-year-supplemental-estimates/6984 "2026-03-03T03:13:35Z")

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Hi, I have a general question about how to access the ACS 1-year Supplemental Estimates from IPUMS. I have done some research and understand that one way to obtain these data is directly from the Census website by submi…

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## [Availability of 1960s Characteristics of the population (non-pdf)?](https://forum.ipums.org/t/availability-of-1960s-characteristics-of-the-population-non-pdf/6933)

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**Author:** [@Nerb](https://forum.ipums.org/u/Nerb)\
**Replies:** 4\
**Last updated:** [February 25, 2026, 5:12am UTC](https://forum.ipums.org/t/availability-of-1960s-characteristics-of-the-population-non-pdf/6933 "2026-02-25T05:12:24Z")

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I can’t seem to find it on IPUMS (PDF source here: 1960 Census: Population, Vol. I. Characteristics of the Population). Is there a table version of this data available somewhere?

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## [2024 5-year release](https://forum.ipums.org/t/2024-5-year-release/6971)

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**Author:** [@grigoris.argeros](https://forum.ipums.org/u/grigoris.argeros)\
**Replies:** 2\
**Last updated:** [February 23, 2026, 8:17pm UTC](https://forum.ipums.org/t/2024-5-year-release/6971 "2026-02-23T20:17:17Z")

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Hi: When can we expect the 2024 5-year file to be released? My understanding is that IPUMS usually publishes these about 1 month after the Census Bureau does. Given the previous govt shutdown, will the release date be pu…

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## [ACS 2001-2024 vs 5-year (bpld by yrimmig)](https://forum.ipums.org/t/acs-2001-2024-vs-5-year-bpld-by-yrimmig/6949)

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**Author:** [@Lindsay\_Dusard](https://forum.ipums.org/u/Lindsay_Dusard)\
**Replies:** 2\
**Last updated:** [February 18, 2026, 10:33pm UTC](https://forum.ipums.org/t/acs-2001-2024-vs-5-year-bpld-by-yrimmig/6949 "2026-02-18T22:33:16Z")

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Hello, apologies if this is a silly question. I am looking to generate population estimates of birthplace (bpld) by year of immigration (yrimmig) (2011-2024) for a select group of countries using the IPUMS online analysi…

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## [Has anybody developed R code to generate the HIU variables?](https://forum.ipums.org/t/has-anybody-developed-r-code-to-generate-the-hiu-variables/6950)

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**Author:** [@DN24](https://forum.ipums.org/u/DN24)\
**Replies:** 2\
**Last updated:** [February 10, 2026, 4:50pm UTC](https://forum.ipums.org/t/has-anybody-developed-r-code-to-generate-the-hiu-variables/6950 "2026-02-10T16:50:01Z")

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Hi all, Has anybody written R code to generate the HIU variables from SHADAC? If not, then does anybody still have the SAS code for generating those variables? It looks like the document that had the SAS code is no lon…

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## [Ages of youngest and oldest children greater than respondent's age](https://forum.ipums.org/t/ages-of-youngest-and-oldest-children-greater-than-respondents-age/6948)

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**Author:** [@Savannah\_Hunter](https://forum.ipums.org/u/Savannah_Hunter)\
**Replies:** 1\
**Last updated:** [February 9, 2026, 8:05pm UTC](https://forum.ipums.org/t/ages-of-youngest-and-oldest-children-greater-than-respondents-age/6948 "2026-02-09T20:05:28Z")

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In the ACS I am working with one-year samples between 2019-2024. I noticed that for some respondents the age of the youngest own child and eldest own child were larger than the age of the respondent. I am looking for gui…

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## [Working with New IND Codes in 5-Year ACS Samples](https://forum.ipums.org/t/working-with-new-ind-codes-in-5-year-acs-samples/6921)

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**Author:** [@Anthony\_Capote](https://forum.ipums.org/u/Anthony_Capote)\
**Replies:** 1\
**Last updated:** [January 26, 2026, 7:47pm UTC](https://forum.ipums.org/t/working-with-new-ind-codes-in-5-year-acs-samples/6921 "2026-01-26T19:47:03Z")

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I am currently working with the 2023 5-Year ACS data and just ran into an issue where I was getting NA values for industry in my tables that used a crosswalk with the 2013-2021 IND codes. On inspection I found that was b…

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## [Weight for multiple years of ACS](https://forum.ipums.org/t/weight-for-multiple-years-of-acs/6926)

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**Author:** [@Wei-Chen\_Lee](https://forum.ipums.org/u/Wei-Chen_Lee)\
**Replies:** 1\
**Last updated:** [January 22, 2026, 4:27am UTC](https://forum.ipums.org/t/weight-for-multiple-years-of-acs/6926 "2026-01-22T04:27:19Z")

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Hi everyone, My PI only wants to study the 2021-2024 data not any five-year ACS data. For each individual year’s result, should I still use PERWT and then for the pooled result, I shall use PERWT / 4? Thanks, Miso

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## [Nam-Powers-Boyd SES Index calculation](https://forum.ipums.org/t/nam-powers-boyd-ses-index-calculation/6911)

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**Author:** [@ecarlson](https://forum.ipums.org/u/ecarlson)\
**Replies:** 6\
**Last updated:** [January 16, 2026, 5:36pm UTC](https://forum.ipums.org/t/nam-powers-boyd-ses-index-calculation/6911 "2026-01-16T17:36:07Z")

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IPUMS has its own algorithm for calculating the NPB SES index for decennial censuses (and now ACS). As part of a Florida State University project to document the NPB index and its evolution over time, I need to consult w…

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## [SDA Data is in billions of people when tabulating from ACS](https://forum.ipums.org/t/sda-data-is-in-billions-of-people-when-tabulating-from-acs/6919)

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**Author:** [@Basel\_Saleh](https://forum.ipums.org/u/Basel_Saleh)\
**Replies:** 2\
**Last updated:** [January 15, 2026, 4:13pm UTC](https://forum.ipums.org/t/sda-data-is-in-billions-of-people-when-tabulating-from-acs/6919 "2026-01-15T16:13:04Z")

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Hi, I used UC Berkely SDA online software to tabulate some data from ACS using the user guide PDF pages online. The tabulation shows that the weighted N is in billions of people. Why is that? Even the user guide PDF pag…

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## [Unable to extract data](https://forum.ipums.org/t/unable-to-extract-data/6914)

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**Author:** [@Anne\_Hall](https://forum.ipums.org/u/Anne_Hall)\
**Replies:** 2\
**Last updated:** [January 14, 2026, 7:43pm UTC](https://forum.ipums.org/t/unable-to-extract-data/6914 "2026-01-14T19:43:36Z")

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Since yesterday afternoon, I have been unable to extract newly requested data downloaded from IPUMS USA. When I try to extract it, the system hangs for a long time and then tells me the file name is too long. When I doub…

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## [Discrepancy between ACS and CENSUS poverty rate](https://forum.ipums.org/t/discrepancy-between-acs-and-census-poverty-rate/6909)

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**Author:** [@Damla\_Topbas\_Elveren](https://forum.ipums.org/u/Damla_Topbas_Elveren)\
**Replies:** 3\
**Last updated:** [January 12, 2026, 6:13pm UTC](https://forum.ipums.org/t/discrepancy-between-acs-and-census-poverty-rate/6909 "2026-01-12T18:13:31Z")

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Hi, I am trying to match the official ACS poverty rate (OFFPOV) with the rate reported in the Census ACS brief. I applied the following steps and obtained a household income estimate within the margin of error: drop if…

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## [Strata 1 year acs 2024 data](https://forum.ipums.org/t/strata-1-year-acs-2024-data/6916)

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**Author:** [@Natalia\_Oropeza](https://forum.ipums.org/u/Natalia_Oropeza)\
**Replies:** 2\
**Last updated:** [January 9, 2026, 6:12pm UTC](https://forum.ipums.org/t/strata-1-year-acs-2024-data/6916 "2026-01-09T18:12:13Z")

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Hi, I am currently working with the 2024 ACS 1 YEAR DATA that was published on december 18th. I am trying to produce some estimates in R with the survey package, but as I was trying to save the design object, I encount…

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## [When will 2024 be available to analyze online?](https://forum.ipums.org/t/when-will-2024-be-available-to-analyze-online/6900)

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**Author:** [@Sharon\_Sassler](https://forum.ipums.org/u/Sharon_Sassler)\
**Replies:** 3\
**Last updated:** [January 8, 2026, 4:27pm UTC](https://forum.ipums.org/t/when-will-2024-be-available-to-analyze-online/6900 "2026-01-08T16:27:25Z")

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Hi, I use the ACS in an intro Pop classroom, and am updating my Spring assignment sheets. I would love for my students to utilize the 2024 ACS, but it’s not yet in the “Analyze data online” - when will that happen? Thi…

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## [2024 ACS 1YR PUMS release](https://forum.ipums.org/t/2024-acs-1yr-pums-release/6792)

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**Author:** [@Greg\_Oliven](https://forum.ipums.org/u/Greg_Oliven)\
**Replies:** 4\
**Last updated:** [January 8, 2026, 4:27pm UTC](https://forum.ipums.org/t/2024-acs-1yr-pums-release/6792 "2026-01-08T16:27:09Z")

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Hi, what have you learned about the impact of the government shutdown on this Fall’s 1YR ACS release (of the 2024 survey data)?

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