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County · Louisiana

St. Tammany Parish

277,615Population
4.9 %Change since 2020
2,129Net migration
3.9 %Unemployment rate

Facts

Population
277,615 (2024)
Change since 2020
4.9 %
Net migration
2,129 (2023)
Unemployment rate
3.9 % (2025)
Population base, April 2020
264,573 (2020)
Births
2,902 (2023)
Births per 1,000 residents, 2023
10.5
Deaths
2,680 (2023)
Deaths per 1,000 residents, 2023
9.7
Natural change, 2023
222
International migration
900 (2023)
Domestic migration
1,229 (2023)
Net migration per 1,000, 2023
7.7
Postal code
LA
FIPS code
22103

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

Unemployment rate, annual average

199020253.96.0
PeriodValue
20253.9 %
20243.8 %
20233.2 %
20222.8 %
20213.8 %
20206.8 %
20193.9 %
20184.0 %
20174.1 %
20164.8 %
20155.3 %
20145.5 %

Population estimates, 2020–2024

20202024277.6K265K
PeriodValue
2024277,615
2023275,801
2022273,494
2021270,188
2020265,007