All Countries
Prospect Heights, IL
Full City Profile · Illinois · Lake County County
3.5
/5.0
B+
Good
15,681
Population
3,725/sq mi density
$91,599
Median Income
$46,868 per capita
$347,500
Home Value
$356,014 Zillow
$1,391
Median Rent
22.3% income on rent
51°F
Avg Temperature
260 sunny days/yr
106
Violent Crime/100K
494 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$91,599 median income, 3.2% unemployment
A+
Affordability
4.5 / 5.0
$347,500 home value, $1,391/mo rent
F
Safety
1.0 / 5.0
106 violent crimes/100K
B+
Education
3.9 / 5.0
36.3% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-5.8%
16,411 → 15,459
over 10 years
Annual Pop. Growth
-0.6%
Compound annual growth rate
Median Income Change
+49.2%
$61,387 → $91,599
nominal, not inflation-adjusted
Annual Income Growth
+4.08%
Compound annual growth rate
Population Over Time
Total population for Prospect Heights across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
14,821
-638 from 2023 (15,459)
Projected Median Income 2030
$121,189
+$29,590 from 2023 ($91,599)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 16,411 | — | $61,387 | — |
| 2015 | 16,388 | -0.1% | $61,442 | +0.1% |
| 2017 | 16,141 | -1.5% | $60,929 | -0.8% |
| 2019 | 15,866 | -1.7% | $73,084 | +19.9% |
| 2021 | 15,691 | -1.1% | $77,763 | +6.4% |
| 2023 | 15,459 | -1.5% | $91,599 | +17.8% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.