All Countries
Third Lake, IL
Full City Profile · Illinois · McHenry County County
4.0
/5.0
A
Great
1,203
Population
2,039/sq mi density
$150,893
Median Income
$68,252 per capita
$329,500
Home Value
$404,725 Zillow
49°F
Avg Temperature
260 sunny days/yr
123
Violent Crime/100K
1,287 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$150,893 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$329,500 home value, /mo rent
F
Safety
1.0 / 5.0
123 violent crimes/100K
A+
Education
5.0 / 5.0
70.9% bachelor's degree or higher
Change Over Time (2013, 2023)
Population Change
-6.2%
1,182 → 1,109
over 10 years
Annual Pop. Growth
-0.64%
Compound annual growth rate
Median Income Change
+45.6%
$103,621 → $150,893
nominal, not inflation-adjusted
Annual Income Growth
+3.83%
Compound annual growth rate
Population Over Time
Total population for Third Lake 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
1,060
-49 from 2023 (1,109)
Projected Median Income 2030
$196,304
+$45,411 from 2023 ($150,893)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 1,182 | - | $103,621 | - |
| 2015 | 1,181 | -0.1% | $109,375 | +5.6% |
| 2017 | 1,168 | -1.1% | $113,438 | +3.7% |
| 2019 | 1,149 | -1.6% | $116,563 | +2.8% |
| 2021 | 1,109 | -3.5% | $141,000 | +21% |
| 2023 | 1,109 | +0% | $150,893 | +7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.