County

Grundy County, IL

9 ZIP codes  ·  9 cities  ·  Illinois

👥53,533Population
💰$90,559Median HH Income▲ 19% above avg
🎂39.1Median Age
🏠$258,087Median Home Value≈ Avg
🎓35.0%College Grads▼ 10% below avg
📊4.0%Unemployment▼ 18% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 51.0% Female 49.0% ♀

Race & Ethnicity

White: 84.2%Hispanic: 10.8%Black: 2.1%Asian: 0.4%Other: 2.6%Race
White84.2%
Hispanic10.8%
Black2.1%
Asian0.4%
Other2.6%

Age Breakdown

Under 5
5%
5–17
19%
18–24
9%
25–44
25%
45–64
27%
65+
7%

Key Indicators

Median Age39.1 yrs
Avg HH Size2.59
Below Poverty5.9% ▼ 41% below avg
College Grads35.0% ▼ 10% below avg
Unemployment4.0% ▼ 18% below avg
No HS Diploma242 (0.7%)
HS Graduate11,751 (34%)
Some College4,295 (12.4%)
Associates6,239 (18.1%)
Bachelors3,777 (10.9%)
Graduate Degree8,248 (23.9%)

Education

No HS: 0.7%HS Grad: 34%Some College: 12.4%Associates: 18.1%Bachelors: 10.9%Graduate: 23.9%Edu
No HS0.7%
HS Grad34.0%
Some College12.4%
Associates18.1%
Bachelors10.9%
Graduate23.9%
Housing & Income

Housing Tenure

Owner: 77.4%Renter: 22.6%Tenure
Owner77.4%
Renter22.6%

Home Value Distribution

Under $50k
5%
$50k–$100k
2%
$100k–$150k
6%
$150k–$200k
15%
$200k–$300k
35%
$300k–$500k
32%
Over $500k
5%

Financials

Median HH Income$90,559 ▲ 19% above avg
Median Home Value$258,087 ≈ Avg
Home/Income Ratio2.8x (nat avg ~3.5x)
Median Rent$1,239/mo
Total Housing Units21,521
Vacant Units764

Income Distribution

Under $25k
10%
$25k–$50k
13%
$50k–$75k
16%
$75k–$100k
14%
$100k–$150k
23%
$150k–$200k
11%
Over $200k
13%
Employment & Commute

How People Get to Work

Drove Alone
89%
Public Transit
1%
Walked
1%
Work From Home
10%

Commute Time

Under 15 min
27%
15–30 min
30%
30–45 min
23%
Over 45 min
20%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
6%
1960s–1970s
12%
1980s–1990s
23%
2000+
58%
About Grundy County, IL

Grundy County is located in Illinois and encompasses 9 ZIP codes spanning 9 cities and communities. The county has an estimated population of 53,533 residents. With a median age of 39.07, it is a middle-aged county.

Grundy County has a middle-income economic profile. The median household income of $90,558 is above the national average. Unemployment stands at 4.0%, below the national average. The poverty rate of 5.9% is well below the national average.

Housing in Grundy County is a mid-range housing market, with a median home value of $258,087 — near the national average. Monthly median rent is approximately $1,239. Homeownership rates are high at 77.4%, reflecting a largely residential, stable population.

The residents of Grundy County are primarily White (84.15%). Educational attainment is moderately educated — 35.0% of adults hold a bachelor's degree or higher, near the national average.

Grundy County, IL is a middle-income area in Illinois. The 9 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Grundy County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
60407 Braceville 1,723 $81,750 $178,200 $1,446 5.4% 15.8%
60416 Coal City 9,277 $71,865 $222,900 $1,074 4.2% 31.4%
60424 Gardner 2,170 $81,000 $191,600 $1,041 9.2% 30.0%
60437 Kinsman 103 $75,625 $168,800 4.6% 32.9%
60444 Mazon 1,986 $88,750 $219,800 $937 3.3% 28.7%
60447 Minooka 16,099 $115,039 $295,400 $1,525 4.0% 42.2%
60450 Morris 20,918 $81,716 $266,600 $1,122 3.3% 34.1%
60474 South Wilmington 628 $86,250 $166,200 $1,458 5.3% 21.9%
60479 Verona 629 $103,333 $214,400 $1,115 5.1% 33.8%