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County · Ohio

Union County

71,721Population
14.2 %Change since 2020
2,577Net migration
3.6 %Unemployment rate

Facts

Population
71,721 (2024)
Change since 2020
14.2 %
Net migration
2,577 (2023)
Unemployment rate
3.6 % (2025)
State
Ohio
Population base, April 2020
62,790 (2020)
Births
733 (2023)
Births per 1,000 residents, 2023
10.2
Deaths
527 (2023)
Deaths per 1,000 residents, 2023
7.3
Natural change, 2023
206
International migration
227 (2023)
Domestic migration
2,350 (2023)
Net migration per 1,000, 2023
35.9
Postal code
OH
FIPS code
39159

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

Unemployment rate, annual average

199020253.64.1
PeriodValue
20253.6 %
20243.4 %
20232.7 %
20222.8 %
20213.4 %
20205.3 %
20193.0 %
20183.2 %
20173.5 %
20163.6 %
20153.9 %
20144.5 %

Population estimates, 2020–2024

2020202471.7K63.1K
PeriodValue
202471,721
202369,765
202266,927
202165,119
202063,090