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County · Ohio

Butler County

399,542Population
2.4 %Change since 2020
4,348Net migration
4.6 %Unemployment rate

Facts

Population
399,542 (2024)
Change since 2020
2.4 %
Net migration
4,348 (2023)
Unemployment rate
4.6 % (2025)
State
Ohio
Population base, April 2020
390,352 (2020)
Births
4,343 (2023)
Births per 1,000 residents, 2023
10.9
Deaths
3,732 (2023)
Deaths per 1,000 residents, 2023
9.3
Natural change, 2023
611
International migration
3,298 (2023)
Domestic migration
1,050 (2023)
Net migration per 1,000, 2023
10.9
Postal code
OH
FIPS code
39017

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

Unemployment rate, annual average

199020254.65.8
PeriodValue
20254.6 %
20244.3 %
20233.5 %
20223.7 %
20214.8 %
20207.4 %
20193.9 %
20184.2 %
20174.5 %
20164.7 %
20154.6 %
20145.6 %

Population estimates, 2020–2024

20202024399.5K390.9K
PeriodValue
2024399,542
2023395,593
2022390,689
2021387,671
2020390,887