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County · Ohio

Fairfield County

167,762Population
5.6 %Change since 2020
2,374Net migration
4.3 %Unemployment rate

Facts

Population
167,762 (2024)
Change since 2020
5.6 %
Net migration
2,374 (2023)
Unemployment rate
4.3 % (2025)
State
Ohio
Population base, April 2020
158,920 (2020)
Births
1,730 (2023)
Births per 1,000 residents, 2023
10.3
Deaths
1,623 (2023)
Deaths per 1,000 residents, 2023
9.7
Natural change, 2023
107
International migration
402 (2023)
Domestic migration
1,972 (2023)
Net migration per 1,000, 2023
14.2
Postal code
OH
FIPS code
39045

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

Unemployment rate, annual average

199020254.35.2
PeriodValue
20254.3 %
20244.1 %
20233.3 %
20223.5 %
20214.5 %
20206.6 %
20193.8 %
20184.0 %
20174.3 %
20164.4 %
20154.4 %
20145.2 %

Population estimates, 2020–2024

20202024167.8K159.5K
PeriodValue
2024167,762
2023165,630
2022163,166
2021161,245
2020159,464