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County · Iowa

Warren County

56,343Population
7.5 %Change since 2020
866Net migration
3.2 %Unemployment rate

Facts

Population
56,343 (2024)
Change since 2020
7.5 %
Net migration
866 (2023)
Unemployment rate
3.2 % (2025)
State
Iowa
Population base, April 2020
52,397 (2020)
Births
615 (2023)
Births per 1,000 residents, 2023
10.9
Deaths
515 (2023)
Deaths per 1,000 residents, 2023
9.1
Natural change, 2023
100
International migration
42 (2023)
Domestic migration
824 (2023)
Net migration per 1,000, 2023
15.4
Postal code
IA
FIPS code
19181

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

Unemployment rate, annual average

199020253.22.8
PeriodValue
20253.2 %
20242.8 %
20232.7 %
20222.6 %
20213.4 %
20204.5 %
20192.5 %
20182.3 %
20172.8 %
20163.2 %
20153.4 %
20144.0 %

Population estimates, 2020–2024

2020202456.3K52.6K
PeriodValue
202456,343
202355,298
202254,325
202153,487
202052,591