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ZIP CODE TABULATION AREA

57221

South Dakota · 1,158 residents · 118.2 sq mi
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ZIP 57221 has lower-than-average household income, with a median household income of $73,988. Population has held roughly steady since 2024. 17% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $227,100. At a median age of 26.8, residents skew younger than the country as a whole. Among the 5 ZIP codes in Hamlin County, 57221 ranks 5th by median household income.

$73,988
US average: $82,259
$227,100
US average: $376,019
17.2%
US average: 35.6%
Age, sex & households
Under 18
36.0%
Age 65+
14.4%
52.5%
47.5%
3.17 people
Race & ethnicity · 2024
2024
White, non-Hispanic97.3%(1,127)
Black0%(0)
Hispanic / Latino0.7%(8)
Asian0%(0)
Other2%(23)
Diversity Score6.5%(76)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Hamlin County
Income rank vs other ZIPs
LOWEST5TH OF 5HIGHEST
Adjacent ZIPs
57223$92,424
57241$85,833
57242$113,958
57248$96,364
Frequently asked

How many people live in ZIP code 57221?

ZIP code 57221 has about 1,158 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 57221?

The typical household in ZIP code 57221 earns about $73,988 a year. Half of households make more than that, and half make less.

Is ZIP code 57221 expensive?

In ZIP code 57221, the median home is worth about $227,100, and the typical rent is about $925 a month.

How educated are people in ZIP code 57221?

About 17.2% of adults age 25 and over in ZIP code 57221 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 57221?

About 16.9% of people in ZIP code 57221 live below the federal poverty line.

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Containing area
Hamlin County
Other ZIP codes in Hamlin County
ZIP 57223ZIP 57248ZIP 57241ZIP 57242

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