All Countries
Buffalo Grove, IL
Full City Profile · Illinois · Lake County County
4.0
/5.0
A
Great
42,824
Population
4,475/sq mi density
$129,820
Median Income
$60,111 per capita
$392,900
Home Value
$429,066 Zillow
$2,042
Median Rent
24.1% income on rent
51°F
Avg Temperature
260 sunny days/yr
27
Violent Crime/100K
706 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$129,820 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$392,900 home value, $2,042/mo rent
F
Safety
1.0 / 5.0
27 violent crimes/100K
A+
Education
5.0 / 5.0
66.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+2.6%
41,752 → 42,822
over 10 years
Annual Pop. Growth
+0.25%
Compound annual growth rate
Median Income Change
+37.5%
$94,391 → $129,820
nominal, not inflation-adjusted
Annual Income Growth
+3.24%
Compound annual growth rate
Population Over Time
Total population for Buffalo Grove 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
43,577
+755 from 2023 (42,822)
Projected Median Income 2030
$162,285
+$32,465 from 2023 ($129,820)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 41,752 | — | $94,391 | — |
| 2015 | 41,508 | -0.6% | $100,098 | +6% |
| 2017 | 41,162 | -0.8% | $106,564 | +6.5% |
| 2019 | 40,503 | -1.6% | $115,951 | +8.8% |
| 2021 | 42,794 | +5.7% | $121,212 | +4.5% |
| 2023 | 42,822 | +0.1% | $129,820 | +7.1% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.