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County · New York

Suffolk County

1,535,909Population
0.7 %Change since 2020
-3,470Net migration
3.5 %Unemployment rate

Facts

Population
1,535,909 (2024)
Change since 2020
0.7 %
Net migration
-3,470 (2023)
Unemployment rate
3.5 % (2025)
Population base, April 2020
1,525,913 (2020)
Births
16,105 (2023)
Births per 1,000 residents, 2023
10.5
Deaths
13,258 (2023)
Deaths per 1,000 residents, 2023
8.6
Natural change, 2023
2,847
International migration
8,116 (2023)
Domestic migration
-11,586 (2023)
Net migration per 1,000, 2023
-2.3
Postal code
NY
FIPS code
36103

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

Unemployment rate, annual average

199020253.54.4
PeriodValue
20253.5 %
20243.4 %
20233.3 %
20223.2 %
20214.7 %
20208.3 %
20193.6 %
20183.9 %
20174.5 %
20164.5 %
20154.7 %
20145.4 %

Population estimates, 2020–2024

202020241.5M1.5M
PeriodValue
20241,535,909
20231,529,029
20221,529,565
20211,534,053
20201,522,175