CensusEasy
ZIP CODE TABULATION AREA

57766

South Dakota · 176 residents · 142.537 sq mi
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ZIP 57766 is wealthier than most US places, with a median household income of $96,146. Population has held roughly steady since 2024. With a median age of 58.8, the population is older than the US median of 38.9. Poverty is rare here, at 4.0% of residents. Households here earn about 42% more than the Fall River County median. Among the 5 ZIP codes in Fall River County, 57766 ranks 1st by median household income.

$96,146
US average: $82,259
34.4%
US average: 35.6%
Age, sex & households
Under 18
9.7%
Age 65+
46.6%
58.5%
41.5%
1.85 people
Race & ethnicity · 2024
2024
White, non-Hispanic100%(176)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
Diversity Score0%(0)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Fall River County
Income rank vs other ZIPs
LOWEST1ST OF 5HIGHEST
Adjacent ZIPs
57735$71,576
57747$68,443
57763$74,318
57782$65,500
Frequently asked

How many people live in ZIP code 57766?

ZIP code 57766 has about 176 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 57766?

The typical household in ZIP code 57766 earns about $96,146 a year. Half of households make more than that, and half make less.

How educated are people in ZIP code 57766?

About 34.4% of adults age 25 and over in ZIP code 57766 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 57766?

About 4.0% of people in ZIP code 57766 live below the federal poverty line.

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Containing area
Fall River County
Other ZIP codes in Fall River County
ZIP 57747ZIP 57735ZIP 57763ZIP 57782

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