Attach contextual data to U.S. locations

IPUMS GeoMarker is a utility for attaching contextual variables from the American Community Survey to user-provided locations.

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What is IPUMS?

IPUMS stands for data integrated across time, space and scientific domains. IPUMS makes it easy to study change and conduct comparative research--by imposing consistent codes, supplying detailed documentation, and creating customized datasets. Data and services are available free of charge. Learn more about IPUMS.