ZIP Code 66056
About Mound City
Mound City is a city in and the county seat of Linn County, Kansas, United States. As of the 2020 census, the population of the city was 647.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,428
population
$58,667
median household income
16
people / sq mi
$139,500
median home value
$738
median gross rent
43.4
median age
847
housing units
692
households
91.1
land area (sq mi)