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ZIP CODE TABULATION AREA

57221

South Dakota · 1,158 residents · 118 sq mi
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ZIP 57221 is a ZIP code of 1,158 people in Hamlin County. The median age is 26.8, younger than the US median of 38.9. 17% of adults hold a bachelor's degree, below the 36% national rate. There are 10 people per square mile. 1% of people in this ZIP code were born outside the United States. Owners hold 78% of the housing stock. Among the 5 ZIP codes in Hamlin County, 57221 ranks 5th by median household income.

$73,988
US average: $82,259
$42,426
US average: $44,673
$227,100
US average: $376,019
17.2%
US average: 35.6%
Land area
118 sq mi
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)
7
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.1
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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