Question

Status:Closed    Asked:Aug 14, 2018 - 03:02 PM

Is the "county" variable in the 2012-2016 IPUMS USA valid?

I read that the county variable is not available after 1950, however I was able to include it in my 2012-2016 IPUMS USA extract.


However, there is only data for 35 of the 58 California counties. Are these estimates for the 35 counties valid? If so, how come all the counties are not represented?

 
Do you have the same question? Follow this Question
 

Staff Answer

avatar

Jeff Bloem

Staff

Yes, you are correct that counties are not identifiable in public use microdata from 1950 onwards. This is due to confidentiality restrictions that limit the identification of individuals and households within geographic areas that include "too few" observations. In IPUMS data, however, some counties are able to be recovered due to other low-level geographic identifying information. A list of which counties are identified in which sample years is available here. You should be able to calculate reliable estimates for the counties that are identifiable, but the coverage of these counties within US states will be incomplete. More information about "missing" US counties is available via this blog post. If you are looking for aggregated statistics at the county level, you may find IPUMS NHGIS to be a useful resource.

 

Aug 15, 2018 - 08:38 AM

0
0
Report it

OTHER QUESTIONS NEEDING ANSWERS

Question about county data for 2012 ACS
Why doesn't the 3 yr ACS (2012) have a COUNTY variable when each of the 1% sa...
Is county data available in IHIS? Is cancer screening in IPUMS-USA?
I'm new to IPUMS USA. How would I find immigrant head of households' country ...
Login   |   Register

Recently Active Members

View More »

Share |