Williamson 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 | Williamson County | Williamson County |
| State | Illinois | Illinois |
| State FIPS code | 17 | 17 |
| County FIPS code | 199 | 199 |
| Census region (code) | 2 | 2 |
| Census division (code) | 3 | 3 |
| Estimates base, April 1, 2020 | 67,154 | 67154 |
| Resident population, July 1, 2020 | 67,121 | 67121 |
| Resident population, July 1, 2021 | 66,895 | 66895 |
| Resident population, July 1, 2022 | 66,565 | 66565 |
| Resident population, July 1, 2023 | 66,737 | 66737 |
| Resident population, July 1, 2024 | 67,064 | 67064 |
| Numeric population change, 2023 to 2024 | 327 | 327 |
| Births, year to July 1, 2024 | 602 | 602 |
| Deaths, year to July 1, 2024 | 837 | 837 |
| Natural change (births minus deaths), year to July 1, 2024 | -235 | -235 |
| International migration, year to July 1, 2024 | 134 | 134 |
| Domestic migration, year to July 1, 2024 | 422 | 422 |
| Residual, year to July 1, 2024 | 6 | 6 |
| Birth rate per 1,000 population, year to July 1, 2024 | 8.9984 | 8.9984379788 |
| Death rate per 1,000 population, year to July 1, 2024 | 12.5111 | 12.511117256 |
| Natural change rate per 1,000 population, year to July 1, 2024 | -3.5127 | -3.512679277 |
| International migration rate per 1,000 population, year to July 1, 2024 | 2.0030 | 2.0029745667 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | 6.3079 | 6.307875128 |
| Group quarters population, July 1, 2024 | 2,039 | 2039 |
Values as reported by the source: county_name=Williamson County, state_name=Illinois, state_fips=17, county_fips=199, region=2, division=3, estimates_base_2020=67154, pop_2020=67121, pop_2021=66895, pop_2022=66565, pop_2023=66737, pop_2024=67064, npopchg_2024=327, births_2024=602, deaths_2024=837, naturalchg_2024=-235, internationalmig_2024=134, domesticmig_2024=422, residual_2024=6, rbirth_2024=8.9984379788, rdeath_2024=12.511117256, rnaturalchg_2024=-3.512679277, rinternationalmig_2024=2.0029745667, rdomesticmig_2024=6.307875128, gq_estimates_2024=2039