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ZIP CODE TABULATION AREA

57661

South Dakota · 177 residents · 28.088 sq mi
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ZIP 57661 has notably lower household income than the US average, with a median household income of $55,000. Population has held roughly steady since 2024. 6% of adults hold a bachelor's degree or higher, below the national rate of 36%. At a median age of 29.8, residents skew younger than the country as a whole. The poverty rate of 29.4% is well above the national figure. Among the 6 ZIP codes in Dewey County, 57661 ranks 4th by median household income.

$55,000
US average: $82,259
5.8%
US average: 35.6%
Age, sex & households
Under 18
31.1%
Age 65+
8.5%
55.9%
44.1%
3.16 people
Race & ethnicity · 2024
2024
White, non-Hispanic3.4%(6)
Black0%(0)
Hispanic / Latino1.1%(2)
Asian0%(0)
Other95.5%(169)
Diversity Score10.9%(19)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Dewey County
Income rank vs other ZIPs
LOWEST4TH OF 6HIGHEST
Adjacent ZIPs
57601$66,003
57625$43,235
57636$112,375
Frequently asked

How many people live in ZIP code 57661?

ZIP code 57661 has about 177 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 57661?

The typical household in ZIP code 57661 earns about $55,000 a year. Half of households make more than that, and half make less.

Is ZIP code 57661 expensive?

In ZIP code 57661, the typical rent is about $616 a month.

How educated are people in ZIP code 57661?

About 5.8% of adults age 25 and over in ZIP code 57661 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 57661?

About 29.4% of people in ZIP code 57661 live below the federal poverty line.

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Containing area
Dewey County
Other ZIP codes in Dewey County
ZIP 57625ZIP 57601ZIP 57656ZIP 57652ZIP 57636ZIP 57630

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