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ZIP CODE TABULATION AREA

57775

South Dakota · 191 residents · 291.331 sq mi
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ZIP 57775 has roughly average household income, with a median household income of $77,750. Population has held roughly steady since 2024. Median home value is $87,700. At a median age of 34.1, residents skew younger than the country as a whole. Poverty is rare here, at 0.5% of residents. Among the 9 ZIP codes in Pennington County, 57775 ranks 5th by median household income.

$77,750
US average: $82,259
$87,700
US average: $376,019
38.5%
US average: 35.6%
Age, sex & households
Under 18
39.3%
Age 65+
6.8%
57.6%
42.4%
3.03 people
Race & ethnicity · 2024
2024
White, non-Hispanic91.6%(175)
Black0%(0)
Hispanic / Latino5.2%(10)
Asian0%(0)
Other3.1%(6)
Diversity Score19.6%(37)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Pennington County
Income rank vs other ZIPs
LOWEST5TH OF 9HIGHEST
Adjacent ZIPs
57701$56,461
57702$91,457
57703$83,739
57725$48,214
Frequently asked

How many people live in ZIP code 57775?

ZIP code 57775 has about 191 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 57775?

The typical household in ZIP code 57775 earns about $77,750 a year. Half of households make more than that, and half make less.

Is ZIP code 57775 expensive?

In ZIP code 57775, the median home is worth about $87,700.

How educated are people in ZIP code 57775?

About 38.5% of adults age 25 and over in ZIP code 57775 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 57775?

About 0.5% of people in ZIP code 57775 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024