Percent of Black population in each U.S. county that is incarcerated, excluding counties with less than 100 Black people incarcerated

Data Source: U.S. Census 2000. (Map: Rose Heyer, 2004)

This map is a part of Too big to ignore: How counting people in prisons distorted Census 2000.

In 178 counties, half of the Black population counted in the Census is incarcerated.