Hi, we are hoping to use a 2010-2020 tract geographic crosswalk (built from the block crosswalk) in order to avoid going down to the block-level every time we transform data across census vintages. Is there a pre-existing crosswalk at the tract-level on the NHGIS website that I’m missing? If not, w…

I’m happy to report that we’ve now released tract-to-tract crosswalks from 1990 to 2010, 2000 to 2010, 2010 to 2020, and 2020 to 2010. The new crosswalks are available through the NHGIS crosswalks page , and a summary of all the updates in this release is here . NOTE: It is still our strong recommend…

We’ve begun work on tract-to-tract crosswalks and aim to release them in a few weeks, hopefully by the end of August. Until then, yes, the method you describe is a good way to generate a tract-to-tract crosswalk. We’ll essentially use that same method for our crosswalk, doing the same thing with bl…

Looking forward to using the tract-to-tract crosswalks! Any updates on when they might be available?

Thanks for your interest. Unfortunately, other priorities have come up here. It may yet be another month or two before we release the tract-to-tract crosswalks.

Ahh, too bad! I know how that goes, though. Thanks for getting back to me. I’ll keep my eye on the site. Best, Kate

On a similar note, will NHGIS release time series tables with geographic integration standardized to 2020 in the next month or so? If not, I assume we use the 2010 geographic integration and apply the 2010-2020 crosswalk. Is that correct?

Hi Jonathan, has there been any progress on the tract-to-tract crosswalks? I am working with a dataset which I hope to assess change from 2010 to 2020 but the finest scale for the source data is tract level. Do you have a solution is the crosswalk walks are not yet available?

I’m sorry, Catherine. Various other demands keep delaying the tract-to-tract crosswalk release. It’s in the mix for things I hope to get done this spring, but there remain some other more pressing things that may still push it out farther. In the meantime, with an extra step (and some much larger f…

Hi Jonathan! Thank you for your answers to this thread! Since it’s been a few months since your last comment I’m wondering if you have a update on the tract to tract crosswalk for 2010 to 2020? I’m doing some work this year where we are definitely going to be using tract to tract conversion. Based …

Hi Rachel, still no definite date, but it’s a top priority for the next few weeks. I’ll try to post back here when they’re out, but we’ll also definitely announce it in an email to IPUMS users.

2010 - 2020 Tract Geographic Crosswalk?

NHGIS

JonathanSchroeder October 5, 2022, 7:56pm 7

I’ve responded to Peter’s question here in this separate related post.

Topic		Replies	Views
1990-2000 crosswalk (census tracts) NHGIS	1	265	June 27, 2024
Longitudinal data crosswalking follow-up NHGIS	2	84	July 25, 2025
Crosswalk between 2010 and 2020 Census tracts NHGIS	1	482	January 22, 2025
Can census tracts from 1980, 1990, and 2000 be linked? NHGIS	3	2561	April 16, 2024
Clarity on Tract Crosswalk Calculations NHGIS	1	286	June 30, 2023

2010 - 2020 Tract Geographic Crosswalk?

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