Marion County, IA Map
Official Census boundary of Marion County, Iowa (FIPS 19125). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Marion County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
33,642
Households
13,316
Median household income
$78,680
Median age
39.9 years
Median home value
$233,000
Median gross rent
$884/mo
Owner-occupied homes
77.7%
Bachelor's degree or higher
32.1%
Below poverty level
8.2%
Land area
554.5 sq mi
Population density
61 / sq mi