All Countries
Cary, IL
Full City Profile · Illinois · McHenry County County
3.8
/5.0
B+
Good
17,875
Population
2,737/sq mi density
$109,790
Median Income
$48,512 per capita
$287,000
Home Value
$361,777 Zillow
$1,456
Median Rent
36.5% income on rent
49°F
Avg Temperature
260 sunny days/yr
45
Violent Crime/100K
778 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$109,790 median income, 3.8% unemployment
A+
Affordability
5.0 / 5.0
$287,000 home value, $1,456/mo rent
F
Safety
1.0 / 5.0
45 violent crimes/100K
A+
Education
4.6 / 5.0
45.5% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-0.3%
18,070 → 18,013
over 10 years
Annual Pop. Growth
-0.03%
Compound annual growth rate
Median Income Change
+7.9%
$101,786 → $109,790
nominal, not inflation-adjusted
Annual Income Growth
+0.76%
Compound annual growth rate
Population Over Time
Total population for Cary 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
17,975
-38 from 2023 (18,013)
Projected Median Income 2030
$115,766
+$5,976 from 2023 ($109,790)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 18,070 | — | $101,786 | — |
| 2015 | 17,992 | -0.4% | $96,130 | -5.6% |
| 2017 | 17,877 | -0.6% | $98,529 | +2.5% |
| 2019 | 18,047 | +1% | $100,339 | +1.8% |
| 2021 | 17,848 | -1.1% | $106,940 | +6.6% |
| 2023 | 18,013 | +0.9% | $109,790 | +2.7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.