Mason City, IL
Full City Profile · Illinois · Mason County County
3.8
/5.0
B+
Good
2,094
Population
2,073/sq mi density
$64,250
Median Income
$32,801 per capita
$92,200
Home Value
$124,452 Zillow
$785
Median Rent
43.8% income on rent
52°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$64,250 median income, 4.3% unemployment
A+
Affordability
5.0 / 5.0
$92,200 home value, $785/mo rent
C+
Education
2.6 / 5.0
20.4% bachelor's degree or higher
Change Over Time (2013, 2023)
Population Change
-11.6%
2,252 → 1,991
over 10 years
Annual Pop. Growth
-1.22%
Compound annual growth rate
Median Income Change
+83.9%
$34,929 → $64,250
nominal, not inflation-adjusted
Annual Income Growth
+6.28%
Compound annual growth rate
Population Over Time
Total population for Mason City 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
1,827
-164 from 2023 (1,991)
Projected Median Income 2030
$98,409
+$34,159 from 2023 ($64,250)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 2,252 | - | $34,929 | - |
| 2015 | 2,204 | -2.1% | $35,735 | +2.3% |
| 2017 | 2,171 | -1.5% | $36,449 | +2% |
| 2019 | 2,123 | -2.2% | $39,485 | +8.3% |
| 2021 | 2,035 | -4.1% | $50,625 | +28.2% |
| 2023 | 1,991 | -2.2% | $64,250 | +26.9% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.