All Countries
Northbrook, IL
Full City Profile · Illinois · Lake County County
3.8
/5.0
B+
Good
34,642
Population
2,614/sq mi density
$155,321
Median Income
$85,680 per capita
$644,100
Home Value
$664,345 Zillow
$2,334
Median Rent
31.5% income on rent
50°F
Avg Temperature
260 sunny days/yr
27
Violent Crime/100K
1,448 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$155,321 median income, 2.0% unemployment
A
Affordability
4.3 / 5.0
$644,100 home value, $2,334/mo rent
F
Safety
1.0 / 5.0
27 violent crimes/100K
A+
Education
5.0 / 5.0
73.1% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+1.9%
33,654 → 34,291
over 10 years
Annual Pop. Growth
+0.19%
Compound annual growth rate
Median Income Change
+37.5%
$112,943 → $155,321
nominal, not inflation-adjusted
Annual Income Growth
+3.24%
Compound annual growth rate
Population Over Time
Total population for Northbrook 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
34,750
+459 from 2023 (34,291)
Projected Median Income 2030
$194,163
+$38,842 from 2023 ($155,321)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 33,654 | — | $112,943 | — |
| 2015 | 33,648 | +-0% | $118,480 | +4.9% |
| 2017 | 33,324 | -1% | $119,568 | +0.9% |
| 2019 | 32,926 | -1.2% | $124,863 | +4.4% |
| 2021 | 34,587 | +5% | $143,506 | +14.9% |
| 2023 | 34,291 | -0.9% | $155,321 | +8.2% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.