Status:Closed    Asked:Feb 17, 2017 - 11:28 AM

1930 US Census 5% NHGISJOIN variable shows up as zero. How do I fix this?

I downloaded the 5% sample of the 1930 census and need to use the nhgisjoin variable to link to other GIS data. I downloaded the data with the nhgisjoin field but all of the values come up as 0. How do I fix this? Thanks!

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Staff Answer


Jeff Bloem


It looks there was an error in the metadata for the NHGISJOIN variable and we are fixing it now. In fact, the error was for all samples between 1850 and 1930! We like to reward users who bring this sort of error to our attention with an IPUMS coffee mug. To claim yours please email your mailing address to


Feb 17, 2017 - 01:52 PM

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