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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, Illinois: 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
StateIllinoisIllinois
State FIPS code1717
County FIPS code187187
Census region (code)22
Census division (code)33
Estimates base, April 1, 202016,84216842
Resident population, July 1, 202016,83216832
Resident population, July 1, 202116,59516595
Resident population, July 1, 202216,36816368
Resident population, July 1, 202316,22416224
Resident population, July 1, 202416,21716217
Numeric population change, 2023 to 2024-7-7
Births, year to July 1, 2024190190
Deaths, year to July 1, 2024191191
Natural change (births minus deaths), year to July 1, 2024-1-1
International migration, year to July 1, 20246565
Domestic migration, year to July 1, 2024-71-71
Residual, year to July 1, 202400
Birth rate per 1,000 population, year to July 1, 202411.713611.713572331
Death rate per 1,000 population, year to July 1, 202411.775211.775222712
Natural change rate per 1,000 population, year to July 1, 2024-0.0617-0.061650381
International migration rate per 1,000 population, year to July 1, 20244.00734.0072747449
Domestic migration rate per 1,000 population, year to July 1, 2024-4.3772-4.377177029
Group quarters population, July 1, 2024878878

Values as reported by the source: county_name=Warren County, state_name=Illinois, state_fips=17, county_fips=187, region=2, division=3, estimates_base_2020=16842, pop_2020=16832, pop_2021=16595, pop_2022=16368, pop_2023=16224, pop_2024=16217, npopchg_2024=-7, births_2024=190, deaths_2024=191, naturalchg_2024=-1, internationalmig_2024=65, domesticmig_2024=-71, residual_2024=0, rbirth_2024=11.713572331, rdeath_2024=11.775222712, rnaturalchg_2024=-0.061650381, rinternationalmig_2024=4.0072747449, rdomesticmig_2024=-4.377177029, gq_estimates_2024=878