Dewey County

Dewey County has 5,205 residents across 6 ZIP codes with their own report. Median household income is $54,104, 28% below the South Dakota figure. The typical owner-occupied home is valued at $69,600, and 19% of adults 25 and over hold a bachelor’s degree or higher.

County · ACS 2020–2024 · Updated October 24, 2026

5,205residentsACS 2020–2024

$54,104median household incomeSouth Dakota: $75K

$69,600median home valueowner-occupied homes

85%of households have broadbandhome internet subscription

Dewey County in South DakotaZIP codes in Dewey County highlighted; the rest of South Dakota in grey

Map of South Dakota with Dewey County highlighted

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files

All 6 ZIP codes.

Colour shows where each zip code sits among the others in the table, from lowest to highest.

ZIP code	Residents	Household income	Home value	Owners	Bachelor's+	Broadband	Commute
57601	3,422	$66K	$155K	73%	33%	91%	16 min
57625	3,775	$43K	$68K	55%	18%	84%	15 min
57636	104	$112K	$109K	81%	13%	93%	21 min
57652	265	$19K	$-666667K	21%	4%	62%	27 min
57656	1,000	$66K	$86K	71%	24%	83%	27 min
57661	177	$55K	$-666667K	29%	6%	77%	34 min

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

People.

5,205 residents in 1,692 households, next to the South Dakota figure.

38%

under 18

21%

aged 18–34

10%

aged 65 and over

28%

of households are people living alone

33%

of households are married couples

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Homes.

1,931 housing units; the median owner-occupied home is valued at $69,600 (±$16,820).

61%

of households own their home

76%

of homes are detached single-family houses

are in buildings with 5 or more units

14%

are mobile homes

12%

of housing units are vacant

$692

median gross rent a month

When homes were built

2020 or later1%

2010–20195%

2000–200911%

1990–199915%

1980–198914%

1970–197920%

1960–196914%

1950–19598%

1940–19494%

1939 or earlier9%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Income and work.

Household income and work, in 2024 dollars; median household income ±$5,497.

$54,104

median household income

33.0%

of people live below the poverty line

13.9%

unemployment rate

19%

of adults 25+ hold a bachelor’s degree or higher

The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Getting around.

How workers aged 16 and over get to work, and how long it takes.

20 min

average commute to work

13%

of commuters travel 45 minutes or more

81%

of workers drive or carpool

take public transportation

walk or bike

14%

work from home

12%

of households have no car

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Internet.

Home internet subscriptions.

85%

of households have a broadband subscription

14%

have no internet access at home

American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates