Marathon County, WI Map
Official Census boundary of Marathon County, Wisconsin (FIPS 55073). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Marathon County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
138,403
Households
57,866
Median household income
$77,884
Median age
41.3 years
Median home value
$219,600
Median gross rent
$999/mo
Owner-occupied homes
73.3%
Bachelor's degree or higher
28.1%
Below poverty level
8.7%
Land area
1,545.2 sq mi
Population density
90 / sq mi