Grundy County

Grundy County has 12,384 residents across 8 ZIP codes with their own report. Median household income is $87,205, 16% above the Iowa figure. The typical owner-occupied home is valued at $198,800, and 28% of adults 25 and over hold a bachelor’s degree or higher.

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

12,384residentsACS 2020–2024

$87,205median household incomeIowa: $75K

$198,800median home valueowner-occupied homes

89%of households have broadbandhome internet subscription

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

Map of Iowa with Grundy 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 8 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
50609	377	$90K	$242K	89%	30%	91%	38 min
50621	1,601	$88K	$215K	78%	30%	81%	22 min
50624	1,855	$97K	$260K	91%	42%	94%	23 min
50638	3,441	$85K	$185K	82%	27%	92%	26 min
50642	577	$109K	$179K	91%	18%	89%	26 min
50669	2,439	$82K	$183K	74%	25%	94%	22 min
50673	250	$67K	$122K	82%	18%	89%	32 min
50680	1,027	$76K	$141K	94%	16%	78%	30 min

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

People.

12,384 residents in 5,117 households, next to the Iowa figure.

24%

under 18

18%

aged 18–34

21%

aged 65 and over

29%

of households are people living alone

58%

of households are married couples

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

Homes.

5,498 housing units; the median owner-occupied home is valued at $198,800 (±$10,465).

85%

of households own their home

85%

of homes are detached single-family houses

are in buildings with 5 or more units

are mobile homes

of housing units are vacant

$774

median gross rent a month

When homes were built

2020 or later1%

2010–20193%

2000–20099%

1990–19997%

1980–19896%

1970–197918%

1960–19698%

1950–19599%

1940–19496%

1939 or earlier33%

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 ±$4,831.

$87,205

median household income

6.5%

of people live below the poverty line

2.0%

unemployment rate

28%

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.

25 min

average commute to work

11%

of commuters travel 45 minutes or more

88%

of workers drive or carpool

take public transportation

walk or bike

10%

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.

89%

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