Yankton County

Yankton County has 23,414 residents across 7 ZIP codes with their own report. Median household income is $72,821, 3% below the South Dakota figure. The typical owner-occupied home is valued at $225,900, and 31% of adults 25 and over hold a bachelor’s degree or higher.

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

23,414residentsACS 2020–2024

$72,821median household incomeSouth Dakota: $75K

$225,900median home valueowner-occupied homes

86%of households have broadbandhome internet subscription

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

Map of South Dakota with Yankton 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 7 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
57031	784	$65K	$137K	88%	14%	84%	21 min
57037	925	$72K	$161K	71%	20%	85%	31 min
57040	222	$72K	$151K	76%	19%	88%	23 min
57046	521	$89K	$228K	86%	20%	86%	17 min
57067	348	$103K	$327K	94%	36%	94%	21 min
57072	435	$92K	$170K	82%	26%	77%	28 min
57078	20,383	$71K	$234K	71%	33%	87%	15 min

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

People.

23,414 residents in 9,695 households, next to the South Dakota figure.

21%

under 18

20%

aged 18–34

21%

aged 65 and over

39%

of households are people living alone

45%

of households are married couples

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

Homes.

10,616 housing units; the median owner-occupied home is valued at $225,900 (±$15,221).

73%

of households own their home

70%

of homes are detached single-family houses

15%

are in buildings with 5 or more units

are mobile homes

of housing units are vacant

$781

median gross rent a month

When homes were built

2020 or later1%

2010–201910%

2000–200911%

1990–199915%

1980–19898%

1970–197917%

1960–19699%

1950–195910%

1940–19494%

1939 or earlier14%

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 ±$7,170.

$72,821

median household income

11.9%

of people live below the poverty line

1.4%

unemployment rate

31%

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.

16 min

average commute to work

of commuters travel 45 minutes or more

88%

of workers drive or carpool

take public transportation

walk or bike

work from home

of households have no car

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

Internet.

Home internet subscriptions.

86%

of households have a broadband subscription

11%

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