ZIP Code 57078 Map
Census ZIP Code Tabulation Area 57078 in Yankton, SD (Yankton County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 57078 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
20,383
Households
8,406
Median household income
$71,268
Median age
42.7 years
Median home value
$233,900
Median gross rent
$788/mo
Owner-occupied homes
70.7%
Bachelor's degree or higher
33.1%
Below poverty level
12.7%
Land area
111.3 sq mi
Population density
183 / sq mi