All Countries
Timberlane, IL
Full City Profile · Illinois · Boone County County
3.7
/5.0
B+
Good
1,291
Population
738/sq mi density
$194,286
Median Income
$65,157 per capita
$349,700
Home Value
$428,437 Zillow
48°F
Avg Temperature
260 sunny days/yr
309
Violent Crime/100K
2,789 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$194,286 median income, 11.1% unemployment
A+
Affordability
5.0 / 5.0
$349,700 home value, /mo rent
F
Safety
1.0 / 5.0
309 violent crimes/100K
A+
Education
4.9 / 5.0
49.0% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-3.7%
940 → 905
over 10 years
Annual Pop. Growth
-0.38%
Compound annual growth rate
Median Income Change
+78.4%
$108,929 → $194,286
nominal, not inflation-adjusted
Annual Income Growth
+5.96%
Compound annual growth rate
Population Over Time
Total population for Timberlane 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
881
-24 from 2023 (905)
Projected Median Income 2030
$291,364
+$97,078 from 2023 ($194,286)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 940 | — | $108,929 | — |
| 2015 | 943 | +0.3% | $120,625 | +10.7% |
| 2017 | 945 | +0.2% | $125,865 | +4.3% |
| 2019 | 941 | -0.4% | $140,125 | +11.3% |
| 2021 | 911 | -3.2% | $175,625 | +25.3% |
| 2023 | 905 | -0.7% | $194,286 | +10.6% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.