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Grundy County

Grundy County has 53,219 residents across 8 ZIP codes with their own report. Median household income is $92,235, 11% above the Illinois figure. The typical owner-occupied home is valued at $271,700, and 24% of adults 25 and over hold a bachelor’s degree or higher.

County · ACS 2020–2024 · Updated October 24, 2026
53,219residentsACS 2020–2024
$92,235median household incomeIllinois: $83K
$271,700median home valueowner-occupied homes
92%of households have broadbandhome internet subscription
Grundy County in IllinoisZIP codes in Grundy County highlighted; the rest of Illinois in grey
Map of Illinois 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 codeResidentsHousehold incomeHome valueOwnersBachelor's+BroadbandCommute
604071,812$90K$191K88%10%87%39 min
604169,550$75K$222K77%19%90%29 min
604242,153$83K$197K70%18%90%32 min
60437117$59K$129K96%9%100%29 min
604441,901$88K$219K86%18%89%28 min
6045020,783$82K$276K65%24%91%24 min
60474663$86K$178K88%14%89%36 min
60479671$105K$224K82%23%93%32 min

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

People.

53,219 residents in 20,595 households, next to the Illinois figure.

24%
under 18
22%
aged 18–34
15%
aged 65 and over
25%
of households are people living alone
53%
of households are married couples

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

Homes.

21,384 housing units; the median owner-occupied home is valued at $271,700 (±$10,409).

74%
of households own their home
72%
of homes are detached single-family houses
7%
are in buildings with 5 or more units
4%
are mobile homes
4%
of housing units are vacant
$1,177
median gross rent a month

When homes were built

2020 or later2%
2010–20199%
2000–200925%
1990–199914%
1980–19898%
1970–197915%
1960–19696%
1950–19596%
1940–19494%
1939 or earlier11%

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 ±$7,255.

$92,235
median household income
6.0%
of people live below the poverty line
4.6%
unemployment rate
24%
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.

29 min
average commute to work
18%
of commuters travel 45 minutes or more
87%
of workers drive or carpool
0%
take public transportation
1%
walk or bike
10%
work from home
4%
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
6%
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