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Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024 — figures cover the April 1, 2020 estimates base through July 1, 2024
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U.S. Census Bureau · Vintage 2024

Warren County, Iowa: population and components of change

Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024: County Population Totals and Components of Change 2020-2024 (CO-EST2024-ALLDATA). Figures cover the April 1, 2020 estimates base through July 1, 2024; data fetched 2026-10-30T08:41:21Z.

Values are printed as the U.S. Census Bureau reports them. A blank source value is printed as “not available”.
Warren County
ItemValueAs reported
CountyWarren CountyWarren County
StateIowaIowa
State FIPS code1919
County FIPS code181181
Census region (code)22
Census division (code)44
Estimates base, April 1, 202052,39752397
Resident population, July 1, 202052,59152591
Resident population, July 1, 202153,48753487
Resident population, July 1, 202254,32554325
Resident population, July 1, 202355,29855298
Resident population, July 1, 202456,34356343
Numeric population change, 2023 to 20241,0451045
Births, year to July 1, 2024616616
Deaths, year to July 1, 2024505505
Natural change (births minus deaths), year to July 1, 2024111111
International migration, year to July 1, 20244747
Domestic migration, year to July 1, 2024889889
Residual, year to July 1, 2024-2-2
Birth rate per 1,000 population, year to July 1, 202411.035411.035372309
Death rate per 1,000 population, year to July 1, 20249.04699.0468555459
Natural change rate per 1,000 population, year to July 1, 20241.98851.9885167636
International migration rate per 1,000 population, year to July 1, 20240.84200.8419845756
Domestic migration rate per 1,000 population, year to July 1, 202415.926015.926048674
Group quarters population, July 1, 20241,7201720

Values as reported by the source: county_name=Warren County, state_name=Iowa, state_fips=19, county_fips=181, region=2, division=4, estimates_base_2020=52397, pop_2020=52591, pop_2021=53487, pop_2022=54325, pop_2023=55298, pop_2024=56343, npopchg_2024=1045, births_2024=616, deaths_2024=505, naturalchg_2024=111, internationalmig_2024=47, domesticmig_2024=889, residual_2024=-2, rbirth_2024=11.035372309, rdeath_2024=9.0468555459, rnaturalchg_2024=1.9885167636, rinternationalmig_2024=0.8419845756, rdomesticmig_2024=15.926048674, gq_estimates_2024=1720