All Countries
Marion, IA
Full City Profile · Iowa · Linn County County
3.7
/5.0
B+
Good
41,690
Population
2,316/sq mi density
$87,105
Median Income
$43,334 per capita
$230,800
Home Value
$268,012 Zillow
$978
Median Rent
29.7% income on rent
50°F
Avg Temperature
260 sunny days/yr
167
Violent Crime/100K
1,278 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$87,105 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$230,800 home value, $978/mo rent
F
Safety
1.0 / 5.0
167 violent crimes/100K
A
Education
4.1 / 5.0
39.2% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+14.3%
36,872 → 42,127
over 10 years
Annual Pop. Growth
+1.34%
Compound annual growth rate
Median Income Change
+39.7%
$62,372 → $87,105
nominal, not inflation-adjusted
Annual Income Growth
+3.4%
Compound annual growth rate
Population Over Time
Total population for Marion 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
46,241
+4,114 from 2023 (42,127)
Projected Median Income 2030
$110,075
+$22,970 from 2023 ($87,105)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 36,872 | — | $62,372 | — |
| 2015 | 37,987 | +3% | $64,527 | +3.5% |
| 2017 | 39,500 | +4% | $69,882 | +8.3% |
| 2019 | 40,481 | +2.5% | $72,150 | +3.2% |
| 2021 | 41,703 | +3% | $75,927 | +5.2% |
| 2023 | 42,127 | +1% | $87,105 | +14.7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.