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COUNTY · 2010 ACS

Grundy County

Illinois · 50,063 residents · 418.128 sq mi
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The short version

Grundy County is wealthier than most US places, with a median household income of $64,297. Population has grown 33% since 2000. Median home value has risen by half since 2000, reaching $193,300.

At a glance
Wealthier
above the US median
US median: $52,703
Mid-age
median age 36.1
US median: 37.2
Less educated
18% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
50,063
+33%since 2000
from 37,535 in 2000
1990 – 2025
Population density
120 / sq mi
+33%since 2000
from 90 / sq mi in 2000
US average: 261
Median age
36.1
−1%since 2000
from 36.3 in 2000
US average: 37.2
Population, 1990 – 2024
30K37K43K49K55K1990201020202024Grundy County
202453K
1990201020202024
Section 02

Income & economy

Median household income
$64,297
−2%inflation adjusted, since 2000
from $51,719 in 2000
US average: $52,703
1990 – 2024
Per capita income
$27,895
+23%since 2000
from $22,591 in 2000
US average: $27,286
Households earning $100K+
41.0%
+0.2 ptssince 2009
from 40.8% in 2009
US average: 33.3%
Poverty rate
6.9%
+2.1 ptssince 2000
from 4.8% in 2000
US average: 13.8%
Income inequality (Gini)
0.373
US average: 0.461
Workforce by industry, 2010
Retail trade13.3%
US avg: 10.9%
Information11.4%
US avg: 11.5%
Finance & insurance9.4%
US avg: 5.1%
Wholesale trade9.4%
US avg: 7.2%
Professional, scientific, technical5.9%
US avg: 4.2%
Other services5.7%
US avg: 7%
Public administration4.3%
US avg: 4.9%
Education & health services3.5%
US avg: 0.9%
Transportation & warehousing2.9%
US avg: 3.1%
Agriculture, forestry, fishing1.5%
US avg: 1.9%
Construction1.3%
US avg: 1.4%
Arts, entertainment, food1.3%
US avg: 2.4%
Manufacturing0.2%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$193,300
+22%inflation adjusted, since 2000
from $125,300 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$894
+17%inflation adjusted, since 2000
from $602 in 2000
US average: $853
Owner-occupied
55.0%
−17.4 ptssince 2000
from 72.4% in 2000
24.9% rent
Vacancy rate
7.9%
−0.4 ptssince 2009
from 8.3% in 2009
US average: 12.1%
Owner cost-burdened
28.2%
+2.3 ptssince 2009
from 25.9% in 2009
US average: 30.9%
Renter cost-burdened
38.9%
+4.2 ptssince 2009
from 34.7% in 2009
US average: 46.8%
Afford Score
3.0
+24%since 2000
from 2.4 in 2000
1990 – 2024
RELATED:See current rent listings in Grundy County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic94.6%(35,502)
Black0.2%(67)
Hispanic / Latino4.1%(1,552)
Asian0.3%(112)
Other0%
Diversity Score11.1%(4,179)
2010
White, non-Hispanic88.9%(44,526)
Black1.2%(577)
Hispanic / Latino8.2%(4,096)
Asian0.6%(318)
Other1.2%(600)
Diversity Score25.5%(12,745)
Diversity Score
25
+129%since 2000
from 11 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
18.3%
+3.0 ptssince 2000
from 15.2% in 2000
US average: 27.9%
High school or higher
90.7%
+3.8 ptssince 2000
from 86.9% in 2000
US average: 84.9%
Graduate degree
5.8%
+1.5 ptssince 2000
from 4.3% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
28.7 min
+45%since 2000
from 19.8 min in 2000
US average: 25.2
Drive alone to work
84.5%
−0.4 ptssince 2009
from 84.9% in 2009
US average: 76.2%
Carpooled to work
9.1%
+0.1 ptssince 2009
from 8.9% in 2009
US average: 10.4%
Public transit
0.6%
+0.1 ptssince 2009
from 0.5% in 2009
US average: 4.7%
Worked from home
3.3%
−0.1 ptssince 2009
from 3.3% in 2009
US average: 4.1%
Walked to work
1.7%
+0.1 ptssince 2009
from 1.6% in 2009
US average: 2.8%
Biked to work
0.3%
−0.1 ptssince 2009
from 0.3% in 2009
US average: 0.5%
No vehicle available
5.2%
+1.3 ptssince 2009
from 3.9% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
9.3%
+0.8 ptssince 2009
from 8.5% in 2009
US average: 12.9%
Management & professional
29.1%
−29.3 ptssince 2009
from 58.4% in 2009
US average: 35.2%
Section 08

People & community

Male
49.8%
−0.5 ptssince 2009
from 50.3% in 2009
Female
50.2%
+0.5 ptssince 2009
from 49.7% in 2009
Foreign born
3.7%
+0.5 ptssince 2009
from 3.2% in 2009
US average: 12.8%
Veterans
9.3%
−40.3 ptssince 2009
from 49.6% in 2009
US average: 9.9%
Drill deeper

Places similar to Grundy County

Boone County
Pop 53,568
Garfield County
Pop 63,474
La Plata County
Pop 56,898
Eagle County
Pop 54,291
Places similar to Grundy County
Head to head

Compare Grundy County to nearby counties

GRUNDY COUNTY VS
Kendall County
Income$111,601+74%
Home value$322,400+67%
Population145,470+169%
SEE FULL COMPARISON →
GRUNDY COUNTY VS
Will County
Income$109,984+71%
Home value$319,600+65%
Population712,253+1218%
SEE FULL COMPARISON →
GRUNDY COUNTY VS
LaSalle County
Income$73,045+14%
Home value$161,900−16%
Population107,773+99%
SEE FULL COMPARISON →
GRUNDY COUNTY VS
Livingston County
Income$73,790+15%
Home value$142,200−26%
Population35,057−35%
SEE FULL COMPARISON →
Frequently asked

How many people live in Grundy County, Illinois?

Grundy County, Illinois has about 50,063 residents according to the 2010 American Community Survey.

What is the median household income in Grundy County, Illinois?

The typical household in Grundy County, Illinois earns about $64,297 a year. Half of households make more than that, and half make less.

Is Grundy County, Illinois expensive?

In Grundy County, Illinois, the median home is worth about $193,300, and the typical rent is about $894 a month.

How educated are people in Grundy County, Illinois?

About 18.3% of adults age 25 and over in Grundy County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Grundy County, Illinois?

About 6.9% of people in Grundy County, Illinois live below the federal poverty line.

Has Grundy County, Illinois grown since 1990?

Yes, Grundy County, Illinois has grown since 1990. The population has added about 17,726 residents, a change of about 55 percent over that period.

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Explore from here

10 census tracts
Census Tract 1.02Census Tract 1.03Census Tract 2Census Tract 7Census Tract 4Census Tract 8Census Tract 3Census Tract 9Census Tract 5Census Tract 6
8 ZIP codes
ZIP 60450ZIP 60416ZIP 60424ZIP 60444ZIP 60407ZIP 60479ZIP 60474ZIP 60437
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →