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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

Union 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”.
Union County
ItemValueAs reported
CountyUnion CountyUnion County
StateIllinoisIllinois
State FIPS code1717
County FIPS code181181
Census region (code)22
Census division (code)33
Estimates base, April 1, 202017,35317353
Resident population, July 1, 202017,29817298
Resident population, July 1, 202117,03517035
Resident population, July 1, 202216,90116901
Resident population, July 1, 202316,86616866
Resident population, July 1, 202416,88616886
Numeric population change, 2023 to 20242020
Births, year to July 1, 2024139139
Deaths, year to July 1, 2024228228
Natural change (births minus deaths), year to July 1, 2024-89-89
International migration, year to July 1, 20246262
Domestic migration, year to July 1, 20244949
Residual, year to July 1, 2024-2-2
Birth rate per 1,000 population, year to July 1, 20248.23658.2365489452
Death rate per 1,000 population, year to July 1, 202413.510313.5103105
Natural change rate per 1,000 population, year to July 1, 2024-5.2738-5.273761555
International migration rate per 1,000 population, year to July 1, 20243.67393.6738563641
Domestic migration rate per 1,000 population, year to July 1, 20242.90352.9035316426
Group quarters population, July 1, 20241,0601060

Values as reported by the source: county_name=Union County, state_name=Illinois, state_fips=17, county_fips=181, region=2, division=3, estimates_base_2020=17353, pop_2020=17298, pop_2021=17035, pop_2022=16901, pop_2023=16866, pop_2024=16886, npopchg_2024=20, births_2024=139, deaths_2024=228, naturalchg_2024=-89, internationalmig_2024=62, domesticmig_2024=49, residual_2024=-2, rbirth_2024=8.2365489452, rdeath_2024=13.5103105, rnaturalchg_2024=-5.273761555, rinternationalmig_2024=3.6738563641, rdomesticmig_2024=2.9035316426, gq_estimates_2024=1060