Grundy 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 | Grundy County | Grundy County |
| State | Iowa | Iowa |
| State FIPS code | 19 | 19 |
| County FIPS code | 075 | 075 |
| Census region (code) | 2 | 2 |
| Census division (code) | 4 | 4 |
| Estimates base, April 1, 2020 | 12,339 | 12339 |
| Resident population, July 1, 2020 | 12,347 | 12347 |
| Resident population, July 1, 2021 | 12,376 | 12376 |
| Resident population, July 1, 2022 | 12,379 | 12379 |
| Resident population, July 1, 2023 | 12,412 | 12412 |
| Resident population, July 1, 2024 | 12,405 | 12405 |
| Numeric population change, 2023 to 2024 | -7 | -7 |
| Births, year to July 1, 2024 | 135 | 135 |
| Deaths, year to July 1, 2024 | 151 | 151 |
| Natural change (births minus deaths), year to July 1, 2024 | -16 | -16 |
| International migration, year to July 1, 2024 | 33 | 33 |
| Domestic migration, year to July 1, 2024 | -24 | -24 |
| Residual, year to July 1, 2024 | 0 | 0 |
| Birth rate per 1,000 population, year to July 1, 2024 | 10.8796 | 10.879638957 |
| Death rate per 1,000 population, year to July 1, 2024 | 12.1691 | 12.169077648 |
| Natural change rate per 1,000 population, year to July 1, 2024 | -1.2894 | -1.289438691 |
| International migration rate per 1,000 population, year to July 1, 2024 | 2.6595 | 2.6594673006 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | -1.9342 | -1.934158037 |
| Group quarters population, July 1, 2024 | 163 | 163 |
Values as reported by the source: county_name=Grundy County, state_name=Iowa, state_fips=19, county_fips=075, region=2, division=4, estimates_base_2020=12339, pop_2020=12347, pop_2021=12376, pop_2022=12379, pop_2023=12412, pop_2024=12405, npopchg_2024=-7, births_2024=135, deaths_2024=151, naturalchg_2024=-16, internationalmig_2024=33, domesticmig_2024=-24, residual_2024=0, rbirth_2024=10.879638957, rdeath_2024=12.169077648, rnaturalchg_2024=-1.289438691, rinternationalmig_2024=2.6594673006, rdomesticmig_2024=-1.934158037, gq_estimates_2024=163