Union 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.
| Item | Value | As reported |
|---|---|---|
| County | Union County | Union County |
| State | Iowa | Iowa |
| State FIPS code | 19 | 19 |
| County FIPS code | 175 | 175 |
| Census region (code) | 2 | 2 |
| Census division (code) | 4 | 4 |
| Estimates base, April 1, 2020 | 12,138 | 12138 |
| Resident population, July 1, 2020 | 12,128 | 12128 |
| Resident population, July 1, 2021 | 12,048 | 12048 |
| Resident population, July 1, 2022 | 11,922 | 11922 |
| Resident population, July 1, 2023 | 11,913 | 11913 |
| Resident population, July 1, 2024 | 11,955 | 11955 |
| Numeric population change, 2023 to 2024 | 42 | 42 |
| Births, year to July 1, 2024 | 119 | 119 |
| Deaths, year to July 1, 2024 | 174 | 174 |
| Natural change (births minus deaths), year to July 1, 2024 | -55 | -55 |
| International migration, year to July 1, 2024 | 35 | 35 |
| Domestic migration, year to July 1, 2024 | 65 | 65 |
| Residual, year to July 1, 2024 | -3 | -3 |
| Birth rate per 1,000 population, year to July 1, 2024 | 9.9715 | 9.9715099715 |
| Death rate per 1,000 population, year to July 1, 2024 | 14.5802 | 14.580191051 |
| Natural change rate per 1,000 population, year to July 1, 2024 | -4.6087 | -4.608681079 |
| International migration rate per 1,000 population, year to July 1, 2024 | 2.9328 | 2.9327970504 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | 5.4466 | 5.4466230937 |
| Group quarters population, July 1, 2024 | 336 | 336 |
Values as reported by the source: county_name=Union County, state_name=Iowa, state_fips=19, county_fips=175, region=2, division=4, estimates_base_2020=12138, pop_2020=12128, pop_2021=12048, pop_2022=11922, pop_2023=11913, pop_2024=11955, npopchg_2024=42, births_2024=119, deaths_2024=174, naturalchg_2024=-55, internationalmig_2024=35, domesticmig_2024=65, residual_2024=-3, rbirth_2024=9.9715099715, rdeath_2024=14.580191051, rnaturalchg_2024=-4.608681079, rinternationalmig_2024=2.9327970504, rdomesticmig_2024=5.4466230937, gq_estimates_2024=336