Village in St. Clair County, Illinois · 6.5 sq mi · 2,221 people per sq mi
About 14,000 people live in Swansea. The typical household earns $91,587, and the median resident is 42.3 years old.
2026 projection
From 14,336 in 2020
Poverty rate 8.69%
Men 41.5 · Women 42.5
1900–2026
14,382
2026 projection
0.3% since 2020 (increase)
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.
1900–2026
14,382
2026 projection
0.3% since 2020 (increase)
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 | 14,382 | +26 | 0.18% |
|---|---|---|---|
| 2025 | 14,356 | -84 | 0.58% |
| 2024 | 14,440 | -67 | 0.46% |
| 2023 | 14,507 | +407 | 2.89% |
| 2022 | 14,100 | -112 | 0.79% |
| 2021 | 14,212 | -124 | 0.86% |
| 2020 | 14,336 | +983 | 7.36% |
| 2019 | 13,353 | -108 | 0.80% |
| 2018 | 13,461 | -58 | 0.43% |
| 2017 | 13,519 | -34 | 0.25% |
Showing 10 of 28 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 147 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
54% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 54% | 56% | 52% |
| Never married | 29% | 33% | 26% |
| Divorced | 11% | 8% | 14% |
| Widowed | 5% | 2% | 7% |
| Separated | 1% | 2% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau