All Countries
Lemont, IL
Full City Profile · Illinois · Will County County
3.8
/5.0
B+
Good
17,643
Population
2,000/sq mi density
$126,100
Median Income
$53,572 per capita
$447,800
Home Value
$552,812 Zillow
$1,211
Median Rent
30.8% income on rent
51°F
Avg Temperature
275 sunny days/yr
98
Violent Crime/100K
885 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$126,100 median income, 2.8% unemployment
A+
Affordability
4.7 / 5.0
$447,800 home value, $1,211/mo rent
F
Safety
1.0 / 5.0
98 violent crimes/100K
A+
Education
4.6 / 5.0
45.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+7.5%
16,500 → 17,731
over 10 years
Annual Pop. Growth
+0.72%
Compound annual growth rate
Median Income Change
+43.8%
$87,688 → $126,100
nominal, not inflation-adjusted
Annual Income Growth
+3.7%
Compound annual growth rate
Population Over Time
Total population for Lemont 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
18,644
+913 from 2023 (17,731)
Projected Median Income 2030
$162,617
+$36,517 from 2023 ($126,100)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 16,500 | — | $87,688 | — |
| 2015 | 16,764 | +1.6% | $86,043 | -1.9% |
| 2017 | 17,038 | +1.6% | $91,056 | +5.8% |
| 2019 | 17,279 | +1.4% | $99,724 | +9.5% |
| 2021 | 17,529 | +1.4% | $119,750 | +20.1% |
| 2023 | 17,731 | +1.2% | $126,100 | +5.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.