United States › Alabama › Jefferson County
Jefferson County, Alabama
281,326 Black residents · 41.7% of the county · ranked 1 of 67 in Alabama by Black population
In Jefferson County, Alabama, the 2020 Census counted 674,721 people, 281,326 of them Black alone. At 41.7%, Jefferson County's Black share stands against the state's 25.8% — the comparison this entry is built around.
Civic Snapshot
| Measure | Figure |
|---|---|
| Total population, 2020 | 674,721 |
| Black residents (alone), 2020 | 281,326 |
| Black share of the county, 2020 | 41.7% |
| Rank by Black population among Alabama counties | 1 of 67 |
Source: U.S. Census Bureau, 2020 Census Redistricting File (Public Law 94-171), Table P1 (race). Trend: U.S. Census Bureau, 2010 Census Redistricting File (Public Law 94-171), Table P1.
Population Trend
In 2010 Jefferson County counted 276,525 Black residents; in 2020 it counted 281,326. The population grew by 1.7% across the decade, and the Black share in Jefferson County moved from 42.0% to 41.7%.
Source: U.S. Census Bureau, 2020 Census Redistricting File (Public Law 94-171), Table P1 (race). Trend: U.S. Census Bureau, 2010 Census Redistricting File (Public Law 94-171), Table P1.
The Record
Within Alabama, the Census Bureau counts 67 counties and county equivalents, Jefferson County among them; it stands 1 by Black population, with 281,326 Black residents of the state's 1.3 million. The gazetteer takes the county as its middle geography — the frame between the state page and the place pages — and prints the redistricting counts of Jefferson County, Alabama, exactly as published.
Institutions
Black Jefferson County's institutions live at the scale of its towns and communities, and the gazetteer records them there, place by place. The Jefferson County page holds the frame around them — 674,721 people in all, 281,326 of them Black — and the trend that runs through both censuses.