I am working on a project to crosswalk data from the census tract level to the state legislative district level. I am doing this by calculating the geographic overlap between tracts and state districts and using tract-level census data (datasets like total population, population by race/age, etc.) to construct an average at the state district level.
I am running into an issue where tract-level census datasets appears to have more tracts than the GIS files at the tract level. For example, the year 2000 Total Population dataset at the tract level has more tracts than the year 2000 tract level GIS files.
Currently, I am working around this problem by just eliminating the missing tracts from my calculations, but I was wondering if anyone knows the cause/has any other solutions for this problem. Thanks!