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County · Louisiana

St. Mary Parish

46,799Population
-5.3 %Change since 2020
-651Net migration
5.0 %Unemployment rate

Facts

Population
46,799 (2024)
Change since 2020
-5.3 %
Net migration
-651 (2023)
Unemployment rate
5.0 % (2025)
Population base, April 2020
49,408 (2020)
Births
630 (2023)
Births per 1,000 residents, 2023
13.5
Deaths
672 (2023)
Deaths per 1,000 residents, 2023
14.4
Natural change, 2023
-42
International migration
196 (2023)
Domestic migration
-847 (2023)
Net migration per 1,000, 2023
-13.9
Postal code
LA
FIPS code
22101

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020255.06.4
PeriodValue
20255.0 %
20244.9 %
20234.0 %
20224.1 %
20216.6 %
20209.4 %
20195.5 %
20186.3 %
20177.6 %
20169.1 %
20157.5 %
20146.1 %

Population estimates, 2020–2024

2020202446.8K49.2K
PeriodValue
202446,799
202347,131
202247,816
202148,240
202049,155