Village in St. Clair County, Illinois · 4.5 sq mi · 853 people per sq mi
About 3,800 people live in Smithton. The typical household earns $135,455, and the median resident is 45.6 years old.
2026 projection
From 4,003 in 2020
Poverty rate 3.36%
Men 46 · Women 44.9
1880–2026
3,840
2026 projection
4.1% 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.
1880–2026
3,840
2026 projection
4.1% 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 | 3,840 | -28 | 0.72% |
|---|---|---|---|
| 2025 | 3,868 | -23 | 0.59% |
| 2024 | 3,891 | -15 | 0.38% |
| 2023 | 3,906 | -38 | 0.96% |
| 2022 | 3,944 | -42 | 1.05% |
| 2021 | 3,986 | -17 | 0.42% |
| 2020 | 4,003 | +186 | 4.87% |
| 2019 | 3,817 | -23 | 0.60% |
| 2018 | 3,840 | +17 | 0.44% |
| 2017 | 3,823 | +36 | 0.95% |
Showing 10 of 30 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 37 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 30 residents
71% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 71% | 75% | 67% |
| Never married | 19% | 21% | 16% |
| Divorced | 6% | 2% | 9% |
| Widowed | 5% | 1% | 8% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau