Brown County

Brown County has 37,877 residents across 12 ZIP codes with their own report. Median household income is $70,898, 6% below the South Dakota figure. The typical owner-occupied home is valued at $221,100, and 34% of adults 25 and over hold a bachelor’s degree or higher.

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

37,877residentsACS 2020–2024

$70,898median household incomeSouth Dakota: $75K

$221,100median home valueowner-occupied homes

88%of households have broadbandhome internet subscription

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

Map of South Dakota with Brown 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 12 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
57401	31,939	$69K	$226K	65%	36%	87%	14 min
57427	384	$84K	$364K	81%	9%	100%	22 min
57432	507	$113K	$78K	98%	17%	91%	27 min
57433	318	$50K	$-666667K	99%	22%	88%	23 min
57441	670	$108K	$152K	88%	28%	71%	30 min
57445	2,072	$85K	$194K	77%	29%	88%	19 min
57446	223	$44K	$50K	95%	11%	95%	22 min
57449	357	$150K	$-666667K	41%	20%	80%	21 min
57460	257	$140K	$234K	88%	30%	83%	25 min
57474	237	$101K	$205K	96%	22%	89%	29 min
57479	625	$102K	$256K	95%	41%	97%	20 min
57481	271	$68K	$216K	95%	12%	87%	23 min

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

People.

37,877 residents in 16,285 households, next to the South Dakota figure.

24%

under 18

22%

aged 18–34

18%

aged 65 and over

38%

of households are people living alone

44%

of households are married couples

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

Homes.

18,090 housing units; the median owner-occupied home is valued at $221,100 (±$13,102).

68%

of households own their home

63%

of homes are detached single-family houses

22%

are in buildings with 5 or more units

are mobile homes

10%

of housing units are vacant

$777

median gross rent a month

When homes were built

2020 or later1%

2010–201912%

2000–200910%

1990–199910%

1980–19898%

1970–197914%

1960–196911%

1950–19599%

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 ±$3,639.

$70,898

median household income

11.7%

of people live below the poverty line

3.3%

unemployment rate

34%

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.

15 min

average commute to work

of commuters travel 45 minutes or more

89%

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.

88%

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