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Twin Lakes, IA
Full City Profile · Iowa · Calhoun County County
3.7
/5.0
B+
Good
535
Population
405/sq mi density
$120,699
Median Income
$69,811 per capita
$543,400
Home Value
$138,143 Zillow
47°F
Avg Temperature
260 sunny days/yr
685
Violent Crime/100K
4,979 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$120,699 median income, 5.1% unemployment
A
Affordability
4.1 / 5.0
$543,400 home value, /mo rent
F
Safety
1.0 / 5.0
685 violent crimes/100K (80% above avg)
A+
Education
5.0 / 5.0
52.5% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+72.6%
310 → 535
over 10 years
Annual Pop. Growth
+5.61%
Compound annual growth rate
Median Income Change
+11.5%
$108,214 → $120,699
nominal, not inflation-adjusted
Annual Income Growth
+1.1%
Compound annual growth rate
Population Over Time
Total population for Twin Lakes 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
784
+249 from 2023 (535)
Projected Median Income 2030
$130,305
+$9,606 from 2023 ($120,699)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 310 | — | $108,214 | — |
| 2015 | 247 | -20.3% | $121,875 | +12.6% |
| 2017 | 208 | -15.8% | $116,458 | -4.4% |
| 2019 | 235 | +13% | $107,917 | -7.3% |
| 2021 | 511 | +117.4% | $116,406 | +7.9% |
| 2023 | 535 | +4.7% | $120,699 | +3.7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.