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County · Iowa

Union County

11,955Population
-1.5 %Change since 2020
43Net migration
3.5 %Unemployment rate

Facts

Population
11,955 (2024)
Change since 2020
-1.5 %
Net migration
43 (2023)
Unemployment rate
3.5 % (2025)
State
Iowa
Population base, April 2020
12,138 (2020)
Births
119 (2023)
Births per 1,000 residents, 2023
10.0
Deaths
168 (2023)
Deaths per 1,000 residents, 2023
14.1
Natural change, 2023
-49
International migration
32 (2023)
Domestic migration
11 (2023)
Net migration per 1,000, 2023
3.6
Postal code
IA
FIPS code
19175

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

Unemployment rate, annual average

199020253.55.0
PeriodValue
20253.5 %
20243.1 %
20233.0 %
20222.9 %
20214.2 %
20205.8 %
20193.2 %
20183.6 %
20173.1 %
20163.8 %
20154.2 %
20144.7 %

Population estimates, 2020–2024

2020202412K12.1K
PeriodValue
202411,955
202311,913
202211,922
202112,048
202012,128