O'Brien 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 | O'Brien County | O'Brien County |
| State | Iowa | Iowa |
| State FIPS code | 19 | 19 |
| County FIPS code | 141 | 141 |
| Census region (code) | 2 | 2 |
| Census division (code) | 4 | 4 |
| Estimates base, April 1, 2020 | 14,180 | 14180 |
| Resident population, July 1, 2020 | 14,149 | 14149 |
| Resident population, July 1, 2021 | 14,048 | 14048 |
| Resident population, July 1, 2022 | 14,107 | 14107 |
| Resident population, July 1, 2023 | 14,067 | 14067 |
| Resident population, July 1, 2024 | 14,260 | 14260 |
| Numeric population change, 2023 to 2024 | 193 | 193 |
| Births, year to July 1, 2024 | 167 | 167 |
| Deaths, year to July 1, 2024 | 166 | 166 |
| Natural change (births minus deaths), year to July 1, 2024 | 1 | 1 |
| International migration, year to July 1, 2024 | 121 | 121 |
| Domestic migration, year to July 1, 2024 | 74 | 74 |
| Residual, year to July 1, 2024 | -3 | -3 |
| Birth rate per 1,000 population, year to July 1, 2024 | 11.7909 | 11.790870901 |
| Death rate per 1,000 population, year to July 1, 2024 | 11.7203 | 11.720266883 |
| Natural change rate per 1,000 population, year to July 1, 2024 | 0.0706 | 0.0706040174 |
| International migration rate per 1,000 population, year to July 1, 2024 | 8.5431 | 8.5430861016 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | 5.2247 | 5.2246972853 |
| Group quarters population, July 1, 2024 | 456 | 456 |
Values as reported by the source: county_name=O'Brien County, state_name=Iowa, state_fips=19, county_fips=141, region=2, division=4, estimates_base_2020=14180, pop_2020=14149, pop_2021=14048, pop_2022=14107, pop_2023=14067, pop_2024=14260, npopchg_2024=193, births_2024=167, deaths_2024=166, naturalchg_2024=1, internationalmig_2024=121, domesticmig_2024=74, residual_2024=-3, rbirth_2024=11.790870901, rdeath_2024=11.720266883, rnaturalchg_2024=0.0706040174, rinternationalmig_2024=8.5430861016, rdomesticmig_2024=5.2246972853, gq_estimates_2024=456