All Countries
St. Charles, IA
Full City Profile · Iowa · Warren County County
3.2
/5.0
B
Good
891
Population
1,437/sq mi density
$81,944
Median Income
$35,887 per capita
$197,100
Home Value
$271,690 Zillow
$939
Median Rent
20.4% income on rent
50°F
Avg Temperature
275 sunny days/yr
217
Violent Crime/100K
1,598 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$81,944 median income, 3.6% unemployment
A+
Affordability
5.0 / 5.0
$197,100 home value, $939/mo rent
F
Safety
1.0 / 5.0
217 violent crimes/100K
C+
Education
2.5 / 5.0
18.8% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-2.9%
661 → 642
over 10 years
Annual Pop. Growth
-0.29%
Compound annual growth rate
Median Income Change
+36.7%
$59,926 → $81,944
nominal, not inflation-adjusted
Annual Income Growth
+3.18%
Compound annual growth rate
Population Over Time
Total population for St. Charles 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
629
-13 from 2023 (642)
Projected Median Income 2030
$102,020
+$20,076 from 2023 ($81,944)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 661 | — | $59,926 | — |
| 2015 | 662 | +0.2% | $66,771 | +11.4% |
| 2017 | 651 | -1.7% | $69,107 | +3.5% |
| 2019 | 647 | -0.6% | $78,500 | +13.6% |
| 2021 | 647 | +0% | $76,000 | -3.2% |
| 2023 | 642 | -0.8% | $81,944 | +7.8% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.