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My Community Explorer is now available. Explore select demographic, business, and resilience data to help identify potentially underserved communities.

Modified Age/Race, Sex and Hispanic Origin Files Summary File Dataset

The MARS files provide data from the 1990 census that has been "modified" to assign each of the persons in the "other race" category to a specific race. This was done to make the census data consistent with the four race categories (within Hispanic or Not Hispanic) used in other census surveys White; Black; Asian and Pacific Islander; and American Indian, Eskimo, and Aleut.

Summary File - Complete Technical Documentation

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