All Countries
Marengo, IA
Full City Profile · Iowa · Iowa County County
3.0
/5.0
B
Good
2,823
Population
1,332/sq mi density
$58,125
Median Income
$29,275 per capita
$114,100
Home Value
$185,647 Zillow
$722
Median Rent
24.5% income on rent
48°F
Avg Temperature
275 sunny days/yr
199
Violent Crime/100K
239 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$58,125 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$114,100 home value, $722/mo rent
F
Safety
1.0 / 5.0
199 violent crimes/100K
C
Education
2.0 / 5.0
12.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-4%
2,505 → 2,404
over 10 years
Annual Pop. Growth
-0.41%
Compound annual growth rate
Median Income Change
+28.7%
$45,160 → $58,125
nominal, not inflation-adjusted
Annual Income Growth
+2.56%
Compound annual growth rate
Population Over Time
Total population for Marengo 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
2,336
-68 from 2023 (2,404)
Projected Median Income 2030
$69,376
+$11,251 from 2023 ($58,125)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 2,505 | — | $45,160 | — |
| 2015 | 2,491 | -0.6% | $44,045 | -2.5% |
| 2017 | 2,464 | -1.1% | $46,625 | +5.9% |
| 2019 | 2,465 | +0% | $54,180 | +16.2% |
| 2021 | 2,423 | -1.7% | $58,804 | +8.5% |
| 2023 | 2,404 | -0.8% | $58,125 | -1.2% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.