Attach contextual data to U.S. locations

IPUMS GeoMarker is a utility for attaching local contextual data to user-provided addresses or locations. If a user provides addresses, GeoMarker applies geocoding to determine the latitude/longitude coordinates. Currently, the contextual data consist of 10 tract-level variables derived from the American Community Survey (ACS).

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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.