Plymouth County

Plymouth County has 25,747 residents across 10 ZIP codes with their own report. Median household income is $83,251, 11% above the Iowa figure. The typical owner-occupied home is valued at $228,900, and 22% of adults 25 and over hold a bachelor’s degree or higher.

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

25,747residentsACS 2020–2024

$83,251median household incomeIowa: $75K

$228,900median home valueowner-occupied homes

90%of households have broadbandhome internet subscription

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

Map of Iowa with Plymouth 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 10 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
51001	2,342	$75K	$193K	76%	25%	80%	25 min
51008	210	$45K	$129K	74%	17%	83%	32 min
51024	2,081	$114K	$348K	84%	21%	97%	24 min
51028	2,191	$78K	$220K	83%	30%	92%	26 min
51031	12,808	$77K	$223K	65%	22%	90%	18 min
51038	1,449	$96K	$183K	88%	18%	93%	22 min
51050	2,962	$93K	$220K	86%	15%	92%	22 min
51062	503	$-666667K	$250K	88%	19%	65%	31 min
51108	5,960	$81K	$170K	83%	29%	85%	20 min
51109	3,606	$79K	$131K	87%	3%	89%	17 min

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

People.

25,747 residents in 10,313 households, next to the Iowa figure.

25%

under 18

18%

aged 18–34

20%

aged 65 and over

28%

of households are people living alone

57%

of households are married couples

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

Homes.

10,891 housing units; the median owner-occupied home is valued at $228,900 (±$9,640).

74%

of households own their home

79%

of homes are detached single-family houses

are in buildings with 5 or more units

are mobile homes

of housing units are vacant

$910

median gross rent a month

When homes were built

2020 or later1%

2010–20197%

2000–20099%

1990–199912%

1980–19899%

1970–197915%

1960–19699%

1950–195911%

1940–19494%

1939 or earlier25%

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 ±$4,100.

$83,251

median household income

6.9%

of people live below the poverty line

2.2%

unemployment rate

22%

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.

21 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.

90%

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