All Countries
Castalia, IA
Full City Profile · Iowa · Winneshiek County County
3.0
/5.0
B
Good
142
Population
245/sq mi density
$50,714
Median Income
$36,692 per capita
$96,900
Home Value
$288,138 Zillow
46°F
Avg Temperature
260 sunny days/yr
12
Violent Crime/100K
1,201 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$50,714 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$96,900 home value, /mo rent
F
Safety
1.4 / 5.0
12 violent crimes/100K
D
Education
1.5 / 5.0
6.7% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-16.5%
170 → 142
over 10 years
Annual Pop. Growth
-1.78%
Compound annual growth rate
Median Income Change
+10.1%
$46,042 → $50,714
nominal, not inflation-adjusted
Annual Income Growth
+0.97%
Compound annual growth rate
Population Over Time
Total population for Castalia 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
125
-17 from 2023 (142)
Projected Median Income 2030
$54,259
+$3,545 from 2023 ($50,714)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 170 | — | $46,042 | — |
| 2015 | 165 | -2.9% | $45,357 | -1.5% |
| 2017 | 160 | -3% | $45,000 | -0.8% |
| 2019 | 158 | -1.3% | $35,938 | -20.1% |
| 2021 | 139 | -12% | $46,667 | +29.9% |
| 2023 | 142 | +2.2% | $50,714 | +8.7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.