CensusEasy
ZIP CODE TABULATION AREA

57321

South Dakota · 390 residents · 108.944 sq mi
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ZIP 57321 is wealthier than most US places, with a median household income of $93,125. Population has held roughly steady since 2024. Median home value is $119,200.

$93,125
US average: $82,259
$119,200
US average: $376,019
29.0%
US average: 35.6%
Age, sex & households
Under 18
26.2%
Age 65+
14.1%
56.2%
43.8%
3.45 people
Race & ethnicity · 2024
2024
White, non-Hispanic96.9%(378)
Black1.3%(5)
Hispanic / Latino0%(0)
Asian0%(0)
Other1.8%(7)
Diversity Score7.5%(29)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Miner County
Income rank vs other ZIPs
LOWEST1ST OF 4HIGHEST
Adjacent ZIPs
57323$51,250
57337$75,197
57349$75,179
Frequently asked

How many people live in ZIP code 57321?

ZIP code 57321 has about 390 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 57321?

The typical household in ZIP code 57321 earns about $93,125 a year. Half of households make more than that, and half make less.

Is ZIP code 57321 expensive?

In ZIP code 57321, the median home is worth about $119,200.

How educated are people in ZIP code 57321?

About 29.0% of adults age 25 and over in ZIP code 57321 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 57321?

About 8.1% of people in ZIP code 57321 live below the federal poverty line.

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Containing area
Miner County
Other ZIP codes in Miner County
ZIP 57349ZIP 57337ZIP 57323

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