City in St. Clair County, Illinois · 11.4 sq mi · 1,403 people per sq mi
About 16,000 people live in Fairview Heights. The typical household earns $80,930, and the median resident is 41 years old.
2026 projection
From 16,694 in 2020
Poverty rate 8.83%
Men 38.5 · Women 44.9
1970–2026
16,038
2026 projection
3.9% 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.
1970–2026
16,038
2026 projection
3.9% 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 | 16,038 | -137 | 0.85% |
|---|---|---|---|
| 2025 | 16,175 | +27 | 0.17% |
| 2024 | 16,148 | -52 | 0.32% |
| 2023 | 16,200 | -150 | 0.92% |
| 2022 | 16,350 | -150 | 0.91% |
| 2021 | 16,500 | -194 | 1.16% |
| 2020 | 16,694 | +406 | 2.49% |
| 2019 | 16,288 | -190 | 1.15% |
| 2018 | 16,478 | -138 | 0.83% |
| 2017 | 16,616 | -78 | 0.47% |
Showing 10 of 21 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 167 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 11 residents
45% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 45% | 46% | 43% |
| Never married | 35% | 39% | 32% |
| Divorced | 10% | 9% | 12% |
| Widowed | 6% | 2% | 9% |
| Separated | 4% | 5% | 3% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau