Jefferson 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 | Jefferson County | Jefferson County |
| State | Iowa | Iowa |
| State FIPS code | 19 | 19 |
| County FIPS code | 101 | 101 |
| Census region (code) | 2 | 2 |
| Census division (code) | 4 | 4 |
| Estimates base, April 1, 2020 | 15,667 | 15667 |
| Resident population, July 1, 2020 | 15,699 | 15699 |
| Resident population, July 1, 2021 | 15,786 | 15786 |
| Resident population, July 1, 2022 | 15,632 | 15632 |
| Resident population, July 1, 2023 | 15,626 | 15626 |
| Resident population, July 1, 2024 | 15,781 | 15781 |
| Numeric population change, 2023 to 2024 | 155 | 155 |
| Births, year to July 1, 2024 | 142 | 142 |
| Deaths, year to July 1, 2024 | 190 | 190 |
| Natural change (births minus deaths), year to July 1, 2024 | -48 | -48 |
| International migration, year to July 1, 2024 | 463 | 463 |
| Domestic migration, year to July 1, 2024 | -259 | -259 |
| Residual, year to July 1, 2024 | -1 | -1 |
| Birth rate per 1,000 population, year to July 1, 2024 | 9.0426 | 9.0425701277 |
| Death rate per 1,000 population, year to July 1, 2024 | 12.0992 | 12.099213551 |
| Natural change rate per 1,000 population, year to July 1, 2024 | -3.0566 | -3.056643423 |
| International migration rate per 1,000 population, year to July 1, 2024 | 29.4839 | 29.483873022 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | -16.4931 | -16.49313847 |
| Group quarters population, July 1, 2024 | 789 | 789 |
Values as reported by the source: county_name=Jefferson County, state_name=Iowa, state_fips=19, county_fips=101, region=2, division=4, estimates_base_2020=15667, pop_2020=15699, pop_2021=15786, pop_2022=15632, pop_2023=15626, pop_2024=15781, npopchg_2024=155, births_2024=142, deaths_2024=190, naturalchg_2024=-48, internationalmig_2024=463, domesticmig_2024=-259, residual_2024=-1, rbirth_2024=9.0425701277, rdeath_2024=12.099213551, rnaturalchg_2024=-3.056643423, rinternationalmig_2024=29.483873022, rdomesticmig_2024=-16.49313847, gq_estimates_2024=789