All Countries
Knoxville, IA
Full City Profile · Iowa · Marion County County
3.5
/5.0
B+
Good
7,493
Population
1,622/sq mi density
$70,136
Median Income
$38,253 per capita
$147,600
Home Value
$201,025 Zillow
$810
Median Rent
24.7% income on rent
50°F
Avg Temperature
275 sunny days/yr
164
Violent Crime/100K
1,604 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$70,136 median income, 1.2% unemployment
A+
Affordability
5.0 / 5.0
$147,600 home value, $810/mo rent
F
Safety
1.0 / 5.0
164 violent crimes/100K
B+
Education
3.5 / 5.0
31.3% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+3.4%
7,176 → 7,422
over 10 years
Annual Pop. Growth
+0.34%
Compound annual growth rate
Median Income Change
+67.2%
$41,958 → $70,136
nominal, not inflation-adjusted
Annual Income Growth
+5.27%
Compound annual growth rate
Population Over Time
Total population for Knoxville 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
7,600
+178 from 2023 (7,422)
Projected Median Income 2030
$100,479
+$30,343 from 2023 ($70,136)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 7,176 | — | $41,958 | — |
| 2015 | 7,241 | +0.9% | $41,225 | -1.7% |
| 2017 | 7,171 | -1% | $43,986 | +6.7% |
| 2019 | 7,159 | -0.2% | $47,844 | +8.8% |
| 2021 | 7,472 | +4.4% | $52,125 | +8.9% |
| 2023 | 7,422 | -0.7% | $70,136 | +34.6% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.