ZIP Code 57042 Map
Census ZIP Code Tabulation Area 57042 in Madison, SD (Lake County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 57042 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
7,756
Households
3,331
Median household income
$71,868
Median age
43.1 years
Median home value
$228,200
Median gross rent
$963/mo
Owner-occupied homes
67.4%
Bachelor's degree or higher
36.6%
Below poverty level
8.1%
Land area
193.2 sq mi
Population density
40 / sq mi