Plymouth County, IA Map
Official Census boundary of Plymouth County, Iowa (FIPS 19149). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Plymouth County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
25,747
Households
10,313
Median household income
$83,251
Median age
41.3 years
Median home value
$228,900
Median gross rent
$910/mo
Owner-occupied homes
73.6%
Bachelor's degree or higher
21.7%
Below poverty level
6.9%
Land area
862.8 sq mi
Population density
30 / sq mi