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Cambridge, IA
Full City Profile · Iowa · Polk County County
3.2
/5.0
B
Good
948
Population
707/sq mi density
$74,531
Median Income
$32,347 per capita
$172,800
Home Value
$319,451 Zillow
$1,080
Median Rent
22.9% income on rent
48°F
Avg Temperature
275 sunny days/yr
120
Violent Crime/100K
1,787 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$74,531 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$172,800 home value, $1,080/mo rent
F
Safety
1.0 / 5.0
120 violent crimes/100K
C
Education
2.4 / 5.0
18.0% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+1.1%
831 → 840
over 10 years
Annual Pop. Growth
+0.11%
Compound annual growth rate
Median Income Change
+36.2%
$54,706 → $74,531
nominal, not inflation-adjusted
Annual Income Growth
+3.14%
Compound annual growth rate
Population Over Time
Total population for Cambridge 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
846
+6 from 2023 (840)
Projected Median Income 2030
$92,539
+$18,008 from 2023 ($74,531)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 831 | — | $54,706 | — |
| 2015 | 824 | -0.8% | $54,196 | -0.9% |
| 2017 | 813 | -1.3% | $60,156 | +11% |
| 2019 | 796 | -2.1% | $72,813 | +21% |
| 2021 | 844 | +6% | $67,039 | -7.9% |
| 2023 | 840 | -0.5% | $74,531 | +11.2% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.