All Countries
Mazon, IL
Full City Profile · Illinois · Grundy County County
3.3
/5.0
B
Good
1,424
Population
2,373/sq mi density
$76,458
Median Income
$36,341 per capita
$203,100
Home Value
$264,573 Zillow
$940
Median Rent
35.4% income on rent
51°F
Avg Temperature
275 sunny days/yr
103
Violent Crime/100K
412 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$76,458 median income, 1.3% unemployment
A+
Affordability
5.0 / 5.0
$203,100 home value, $940/mo rent
F
Safety
1.0 / 5.0
103 violent crimes/100K
C+
Education
2.7 / 5.0
21.8% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-1.8%
998 → 980
over 10 years
Annual Pop. Growth
-0.18%
Compound annual growth rate
Median Income Change
+13.1%
$67,614 → $76,458
nominal, not inflation-adjusted
Annual Income Growth
+1.24%
Compound annual growth rate
Population Over Time
Total population for Mazon 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
968
-12 from 2023 (980)
Projected Median Income 2030
$83,347
+$6,889 from 2023 ($76,458)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 998 | — | $67,614 | — |
| 2015 | 986 | -1.2% | $62,143 | -8.1% |
| 2017 | 972 | -1.4% | $63,594 | +2.3% |
| 2019 | 967 | -0.5% | $57,461 | -9.6% |
| 2021 | 978 | +1.1% | $62,935 | +9.5% |
| 2023 | 980 | +0.2% | $76,458 | +21.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.