Lake County

Lake County has 10,972 residents across 7 ZIP codes with their own report. Median household income is $76,808, in line with the South Dakota figure. The typical owner-occupied home is valued at $247,600, and 35% of adults 25 and over hold a bachelor’s degree or higher.

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

10,972residentsACS 2020–2024

$76,808median household incomeSouth Dakota: $75K

$247,600median home valueowner-occupied homes

87%of households have broadbandhome internet subscription

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

Map of South Dakota with Lake 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
57016	676	$96K	$242K	94%	27%	87%	21 min
57042	7,756	$72K	$228K	67%	37%	86%	14 min
57050	176	$117K	$263K	99%	56%	90%	37 min
57054	703	$87K	$97K	81%	14%	75%	18 min
57057	196	$72K	$267K	100%	32%	97%	36 min
57075	1,296	$107K	$427K	91%	36%	92%	23 min
57076	325	$118K	$369K	77%	24%	90%	15 min

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

People.

10,972 residents in 4,716 households, next to the South Dakota figure.

20%

under 18

22%

aged 18–34

24%

aged 65 and over

31%

of households are people living alone

48%

of households are married couples

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

Homes.

5,797 housing units; the median owner-occupied home is valued at $247,600 (±$21,400).

74%

of households own their home

74%

of homes are detached single-family houses

are in buildings with 5 or more units

are mobile homes

19%

of housing units are vacant

$947

median gross rent a month

When homes were built

2020 or later2%

2010–20199%

2000–200910%

1990–199914%

1980–19898%

1970–197915%

1960–19699%

1950–19597%

1940–19495%

1939 or earlier21%

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 ±$7,301.

$76,808

median household income

8.4%

of people live below the poverty line

3.0%

unemployment rate

35%

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.

17 min

average commute to work

of commuters travel 45 minutes or more

84%

of workers drive or carpool

take public transportation

walk or bike

11%

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.

87%

of households have a broadband subscription

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