City in Cook County, Illinois · 4.2 sq mi · 3,672 people per sq mi
About 15,000 people live in Prospect Heights. The typical household earns $85,008, and the median resident is 42.8 years old.
2026 projection
From 15,990 in 2020
Poverty rate 7.29%
Men 41.6 · Women 44.9
1980–2026
15,447
2026 projection
3.4% 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.
1980–2026
15,447
2026 projection
3.4% 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 | 15,447 | -105 | 0.68% |
|---|---|---|---|
| 2025 | 15,552 | -21 | 0.13% |
| 2024 | 15,573 | +108 | 0.70% |
| 2023 | 15,465 | -31 | 0.20% |
| 2022 | 15,496 | -216 | 1.37% |
| 2021 | 15,712 | -278 | 1.74% |
| 2020 | 15,990 | +124 | 0.78% |
| 2019 | 15,866 | -119 | 0.74% |
| 2018 | 15,985 | -156 | 0.97% |
| 2017 | 16,141 | -139 | 0.85% |
Showing 10 of 20 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 156 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 14 residents
51% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 51% | 53% | 49% |
| Never married | 27% | 32% | 23% |
| Divorced | 10% | 6% | 14% |
| Widowed | 8% | 6% | 10% |
| Separated | 3% | 3% | 3% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau