Village in St. Clair County, Illinois · 6.4 sq mi · 581 people per sq mi
About 3,700 people live in Dupo. The typical household earns $61,644, and the median resident is 42.9 years old.
2026 projection
From 3,981 in 2020
Poverty rate 8.53%
Men 37.7 · Women 43.5
1910–2026
3,721
2026 projection
6.5% 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.
1910–2026
3,721
2026 projection
6.5% 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 | 3,721 | -45 | 1.19% |
|---|---|---|---|
| 2025 | 3,766 | -36 | 0.95% |
| 2024 | 3,802 | -30 | 0.78% |
| 2023 | 3,832 | -45 | 1.16% |
| 2022 | 3,877 | -55 | 1.40% |
| 2021 | 3,932 | -49 | 1.23% |
| 2020 | 3,981 | +101 | 2.60% |
| 2019 | 3,880 | -46 | 1.17% |
| 2018 | 3,926 | -31 | 0.78% |
| 2017 | 3,957 | -17 | 0.43% |
Showing 10 of 27 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 39 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 12 residents
48% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 48% | 45% | 51% |
| Never married | 33% | 37% | 29% |
| Divorced | 13% | 12% | 15% |
| Widowed | 4% | 3% | 5% |
| Separated | 2% | 3% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau