United States › Louisiana › St. Mary Parish
St. Mary Parish, Louisiana
15,058 Black residents · 30.5% of the county · ranked 19 of 64 in Louisiana by Black population
St. Mary Parish is a Louisiana county entry in the gazetteer's first edition in the Black Belt heartland. In the 2020 Census, St. Mary Parish held 49,406 residents in all, of whom 15,058 — 30.5% — were Black alone, the count this gazetteer records for every place on the same terms.
Civic Snapshot
| Measure | Figure |
|---|---|
| Total population, 2020 | 49,406 |
| Black residents (alone), 2020 | 15,058 |
| Black share of the county, 2020 | 30.5% |
| Rank by Black population among Louisiana counties | 19 of 64 |
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
The two-census record for St. Mary Parish: 17,765 Black residents in 2010 and 15,058 in 2020. The population declined by 15.2%, and the Black share in St. Mary Parish moved from 32.5% to 30.5%.
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
The state's Black population of 1.5 million is spread across 64 counties and county equivalents; St. Mary Parish holds 15,058 of it, rank 19 in the state's order. The county page for St. Mary Parish carries the published redistricting counts unaltered, and the place pages beneath it carry the detail.
Institutions
The institutions of Black St. Mary Parish, Louisiana, are recorded in this gazetteer through its place entries — the towns and communities inside the county's borders, each entered on its own published count. Read with those entries, the St. Mary Parish page gives the frame they stand in: 49,406 residents in all, 15,058 of them Black, and the county's direction across the last two censuses.