Sioux County

Sioux County has 36,212 residents across 12 ZIP codes with their own report. Median household income is $86,098, 15% above the Iowa figure. The typical owner-occupied home is valued at $250,100, and 31% of adults 25 and over hold a bachelor’s degree or higher.

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

36,212residentsACS 2020–2024

$86,098median household incomeIowa: $75K

$250,100median home valueowner-occupied homes

92%of households have broadbandhome internet subscription

Sioux County in IowaZIP codes in Sioux County highlighted; the rest of Iowa in grey

Map of Iowa with Sioux 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
51003	1,938	$101K	$233K	87%	29%	90%	19 min
51023	3,473	$80K	$173K	71%	21%	91%	18 min
51027	1,280	$101K	$227K	83%	29%	91%	24 min
51036	445	$123K	$249K	92%	25%	93%	17 min
51041	7,324	$84K	$277K	68%	43%	94%	12 min
51201	6,430	$69K	$198K	72%	22%	95%	17 min
51234	1,172	$84K	$212K	91%	28%	94%	15 min
51238	1,502	$74K	$183K	88%	21%	91%	17 min
51239	2,876	$78K	$237K	84%	21%	90%	15 min
51244	144	$83K	$95K	97%	20%	88%	20 min
51247	5,094	$78K	$263K	61%	15%	93%	16 min
51250	9,970	$94K	$294K	78%	41%	93%	14 min

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

People.

36,212 residents in 12,690 households, next to the Iowa figure.

27%

under 18

24%

aged 18–34

16%

aged 65 and over

24%

of households are people living alone

65%

of households are married couples

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

Homes.

13,285 housing units; the median owner-occupied home is valued at $250,100 (±$9,233).

76%

of households own their home

80%

of homes are detached single-family houses

are in buildings with 5 or more units

are mobile homes

of housing units are vacant

$908

median gross rent a month

When homes were built

2020 or later2%

2010–201910%

2000–200911%

1990–199910%

1980–19896%

1970–197918%

1960–196912%

1950–19598%

1940–19494%

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 ±$7,089.

$86,098

median household income

6.7%

of people live below the poverty line

1.5%

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.

15 min

average commute to work

of commuters travel 45 minutes or more

82%

of workers drive or carpool

take public transportation

walk or bike

13%

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.

92%

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