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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, Tennessee: 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
StateTennesseeTennessee
State FIPS code4747
County FIPS code173173
Census region (code)33
Census division (code)66
Estimates base, April 1, 202019,80219802
Resident population, July 1, 202019,84519845
Resident population, July 1, 202120,01820018
Resident population, July 1, 202220,48320483
Resident population, July 1, 202320,74720747
Resident population, July 1, 202421,06421064
Numeric population change, 2023 to 2024317317
Births, year to July 1, 2024190190
Deaths, year to July 1, 2024307307
Natural change (births minus deaths), year to July 1, 2024-117-117
International migration, year to July 1, 2024-2-2
Domestic migration, year to July 1, 2024439439
Residual, year to July 1, 2024-3-3
Birth rate per 1,000 population, year to July 1, 20249.08859.0885173758
Death rate per 1,000 population, year to July 1, 202414.685114.685130707
Natural change rate per 1,000 population, year to July 1, 2024-5.5966-5.596613331
International migration rate per 1,000 population, year to July 1, 2024-0.0957-0.095668604
Domestic migration rate per 1,000 population, year to July 1, 202420.999320.999258568
Group quarters population, July 1, 2024108108

Values as reported by the source: county_name=Union County, state_name=Tennessee, state_fips=47, county_fips=173, region=3, division=6, estimates_base_2020=19802, pop_2020=19845, pop_2021=20018, pop_2022=20483, pop_2023=20747, pop_2024=21064, npopchg_2024=317, births_2024=190, deaths_2024=307, naturalchg_2024=-117, internationalmig_2024=-2, domesticmig_2024=439, residual_2024=-3, rbirth_2024=9.0885173758, rdeath_2024=14.685130707, rnaturalchg_2024=-5.596613331, rinternationalmig_2024=-0.095668604, rdomesticmig_2024=20.999258568, gq_estimates_2024=108