City in LaSalle County, Illinois · 9.4 sq mi · 508 people per sq mi
About 4,800 people live in Marseilles. The typical household earns $58,217, and the median resident is 41.4 years old.
2026 projection
From 4,874 in 2020
Poverty rate 21.49%
Men 40 · Women 41.6
1870–2026
4,793
2026 projection
1.7% 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.
1870–2026
4,793
2026 projection
1.7% 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 | 4,793 | -16 | 0.33% |
|---|---|---|---|
| 2025 | 4,809 | -2 | 0.04% |
| 2024 | 4,811 | -12 | 0.25% |
| 2023 | 4,823 | +13 | 0.27% |
| 2022 | 4,810 | -49 | 1.01% |
| 2021 | 4,859 | -15 | 0.31% |
| 2020 | 4,874 | +45 | 0.93% |
| 2019 | 4,829 | -31 | 0.64% |
| 2018 | 4,860 | -20 | 0.41% |
| 2017 | 4,880 | -33 | 0.67% |
Showing 10 of 31 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 43 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 5 residents
42% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 42% | 43% | 42% |
| Never married | 28% | 35% | 22% |
| Divorced | 20% | 21% | 20% |
| Widowed | 7% | 2% | 12% |
| Separated | 2% | 0% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau