Village in Knox County, Illinois · 1.2 sq mi · 444 people per sq mi
About 550 people live in Williamsfield. The typical household earns $82,417, and the median resident is 44.6 years old.
2026 projection
From 569 in 2020
Poverty rate 3.95%
Men 44.1 · Women 46.5
2010–2026
546
2026 projection
4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
546
2026 projection
4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 546 | -4 | 0.73% |
|---|---|---|---|
| 2025 | 550 | -4 | 0.72% |
| 2024 | 554 | -1 | 0.18% |
| 2023 | 555 | -1 | 0.18% |
| 2022 | 556 | -10 | 1.77% |
| 2021 | 566 | -3 | 0.53% |
| 2020 | 569 | +24 | 4.40% |
| 2019 | 545 | -3 | 0.55% |
| 2018 | 548 | -7 | 1.26% |
| 2017 | 555 | -3 | 0.54% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 5 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 25 residents
49% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 49% | 53% | 46% |
| Never married | 32% | 29% | 36% |
| Divorced | 13% | 16% | 11% |
| Widowed | 4% | <1% | 8% |
| Separated | <1% | 2% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau