Marion County, Illinois: 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 | Marion County | Marion County |
| State | Illinois | Illinois |
| State FIPS code | 17 | 17 |
| County FIPS code | 121 | 121 |
| Census region (code) | 2 | 2 |
| Census division (code) | 3 | 3 |
| Estimates base, April 1, 2020 | 37,738 | 37738 |
| Resident population, July 1, 2020 | 37,657 | 37657 |
| Resident population, July 1, 2021 | 37,390 | 37390 |
| Resident population, July 1, 2022 | 36,878 | 36878 |
| Resident population, July 1, 2023 | 36,640 | 36640 |
| Resident population, July 1, 2024 | 36,437 | 36437 |
| Numeric population change, 2023 to 2024 | -203 | -203 |
| Births, year to July 1, 2024 | 417 | 417 |
| Deaths, year to July 1, 2024 | 566 | 566 |
| Natural change (births minus deaths), year to July 1, 2024 | -149 | -149 |
| International migration, year to July 1, 2024 | 14 | 14 |
| Domestic migration, year to July 1, 2024 | -67 | -67 |
| Residual, year to July 1, 2024 | -1 | -1 |
| Birth rate per 1,000 population, year to July 1, 2024 | 11.4126 | 11.412619566 |
| Death rate per 1,000 population, year to July 1, 2024 | 15.4905 | 15.49051001 |
| Natural change rate per 1,000 population, year to July 1, 2024 | -4.0779 | -4.077890444 |
| International migration rate per 1,000 population, year to July 1, 2024 | 0.3832 | 0.3831574914 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | -1.8337 | -1.83368228 |
| Group quarters population, July 1, 2024 | 850 | 850 |
Values as reported by the source: county_name=Marion County, state_name=Illinois, state_fips=17, county_fips=121, region=2, division=3, estimates_base_2020=37738, pop_2020=37657, pop_2021=37390, pop_2022=36878, pop_2023=36640, pop_2024=36437, npopchg_2024=-203, births_2024=417, deaths_2024=566, naturalchg_2024=-149, internationalmig_2024=14, domesticmig_2024=-67, residual_2024=-1, rbirth_2024=11.412619566, rdeath_2024=15.49051001, rnaturalchg_2024=-4.077890444, rinternationalmig_2024=0.3831574914, rdomesticmig_2024=-1.83368228, gq_estimates_2024=850