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ZIP code 57420: Akaska, SD

57420 is a ZIP code in Akaska, South Dakota, mainly in Walworth County. About 260 people live here.

Population
260
Median household income
$40,469
Typical home value
$79,000ACS median value
Median rent
—gross, per month
Median age
21.6
Homeowners
65.4%of occupied homes
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Shaded: ZIP code 57420's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 57420 details

CityAkaska
StateSouth Dakota
CountyWalworth County
Metro areaNot in a metro or micro area
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area44.3 sq mi, plus 0 sq mi of water
Population density6 people per sq mi
Bachelor's degree or higher36.9% of adults 25+
Average commute35.2 minutes
Center coordinates45.28185, -100.14252

ZIP codes near 57420

ZIP codeCityDistancePopulation
57472Selby, SD10.2 mi1,165
57601Mobridge, SD11.5 mi3,422
57442Gettysburg, SD15.2 mi1,772
57450Hoven, SD16.1 mi624
57452Java, SD21.8 mi136
57631Glenham, SD22.5 mi364
57428Bowdle, SD25.5 mi567
57475Tolstoy, SD25.5 mi99

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 57420?

A typical home in ZIP code 57420 is worth about $79,000 (ACS median value). The median household here earns $40,469 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.

Monthly payment for a $79,000 homeWhat can a $40,469 income afford?Rental property numbers

About ZIP code 57420

What city is ZIP code 57420?

ZIP code 57420 is in Akaska, SD, in Walworth County.

What county is ZIP code 57420 in?

57420 is mainly in Walworth County, South Dakota.

What is the population of ZIP code 57420?

About 260 people live in ZIP code 57420, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 57420 in?

57420 is in Central Time (UTC−6). It observes daylight saving time.