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ZIP code 57750: Interior, SD

57750 is a ZIP code in Interior, South Dakota, mainly in Jackson County. About 365 people live here.

Population
365
Median household income
—
Typical home value
$175,000ACS median value
Median rent
$907gross, per month
Median age
23.6
Homeowners
45.2%of occupied homes
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Shaded: ZIP code 57750's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 57750 details

CityInterior
StateSouth Dakota
CountyJackson County (also partly Pennington County)
Metro areaNot in a metro or micro area
Time zoneMountain Time (UTC−7), observes daylight saving time
TypeStandard (delivery area)
Land area325.2 sq mi, plus 0.8 sq mi of water
Population density1 people per sq mi
Bachelor's degree or higher19.7% of adults 25+
Center coordinates43.59290, -101.94513

ZIP codes near 57750

ZIP codeCityDistancePopulation
57577Wanblee, SD15.3 mi940
57752Kyle, SD17.1 mi1,553
57714Allen, SD18.3 mi1,144
57543Kadoka, SD23.7 mi721
57547Long Valley, SD27.1 mi383
57780Scenic, SD29.3 mi70
57551Martin, SD30.1 mi2,084
57772Porcupine, SD30.2 mi2,493

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 57750?

A typical home in ZIP code 57750 is worth about $175,000 (ACS median value). See what buying here would cost per month, with South Dakota average taxes and insurance filled in.

Monthly payment for a $175,000 homeRental property numbers

About ZIP code 57750

What city is ZIP code 57750?

ZIP code 57750 is in Interior, SD, in Jackson County.

What county is ZIP code 57750 in?

57750 is mainly in Jackson County, South Dakota, and partly in Pennington County.

What is the population of ZIP code 57750?

About 365 people live in ZIP code 57750, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 57750 in?

57750 is in Mountain Time (UTC−7). It observes daylight saving time.