Grundy County, Illinois Population 2018

Grundy County, Illinois's estimated population is 50,586 with a growth rate of 0.63% in the past year according to the most recent United States census data. Grundy County, Illinois is the 30th largest county in Illinois.

Year Population Growth Growth Rate
201750,333-253-0.50%
201750,5863170.63%
201650,269-76-0.15%
201550,345660.13%
201450,279950.19%
201350,184280.06%
201250,156680.14%
201150,088-61-0.12%
201050,14917,81255.08%
199032,3371,7555.74%
198030,5824,04715.25%
197026,5354,18518.72%
196022,3503,13316.30%
195019,2178194.45%
194018,398-280-1.50%
193018,678980.53%
192018,580-5,582-23.10%
191024,162260.11%
190024,1363,11214.80%
189021,0244,29225.65%
188016,7321,79412.01%
187014,9384,55943.93%
186010,3797,356243.33%
18503,0230.00%

Grundy County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White47,342
Some Other Race1,063
Black or African American760
Two or More Races729
Asian386
American Indian and Alaska Native38
Native Hawaiian and Other Pacific Islander15

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Grundy County, Illinois Population Pyramid 2018

5001,0001,5002,000 Male Population5001,0001,5002,000 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Grundy County, Illinois Median Age

37.5


Total

36.5


Male

38.7


Female

Grundy County, Illinois Adults

There are 37,352 adults, (6,572 of whom are seniors) in Grundy County, Illinois.

Grundy County, Illinois Age Dependency

63.5

Age Dependency Ratio

21.4

Old Age Dependency Ratio

42.2

Child Dependency Ratio

Grundy County, Illinois Sex Ratio

Female

25,179

50.02%

Male

25,154

49.98%

Grundy County, Illinois Households and Families

Grundy County, Illinois Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Grundy County, Illinois Household Types

Type Owner Renter
Married83.8%16.2%
All72.1%27.9%
Non Family60.3%39.7%
Female48.5%51.5%
Male47.5%52.5%

72.1%

Rate of Home Ownership

Grundy County, Illinois Households by Type

Type Count Average Size Owned
All19,0062.6372.1
Married10,9723.1883.8
Non Family5,1841.2360.3
Female2,0813.0348.5
Male7693.1947.5

3.07

Average Family Size

2.63

Average Household Size

5.3%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Grundy County, Illinois Households

Grundy County, Illinois Education

Grundy County, Illinois Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade7532.27%
9th to 12th Grade1,4764.44%
High School Graduate11,42934.39%
Some College9,06227.27%
Associates Degree3,0089.05%
Bachelors Degree4,94914.89%
Graduate Degree2,5547.69%

Grundy County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White29,92528,3286,892
Hispanic2,3221,768335
Black51346672
Other Race49733057
Asian288262156
Multiple Races16516139
Native American21199
Islander1515

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 54.17%.

Grundy County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$43,474$55,688$33,950
Less Than High School$31,205$35,650$
High School Grad$38,001$51,612$25,383
Some College$41,552$59,604$30,093
Bachelors Degree$54,448$65,885$42,196
Graduate Degree$62,429$66,354$61,696

$43,474

Average Earnings

$55,688

Average Male

$33,950

Average Female

Grundy County, Illinois Language

Grundy County, Illinois Language by Age

Grundy County, Illinois Language

91.86% of Grundy County, Illinois residents speak only English, while 8.14% speak other languages. The largest non-English language is Spanish, which is spoken by 6.58% of the population.

Grundy County, Illinois Poverty

Grundy County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White43,3523,7408.63%
Hispanic4,70960412.83%
Other1,06325624.08%
Black73124233.11%
Asian3866617.10%
Multiple72381.11%

9.38%

Overall Poverty Rate

7.55%

Male Poverty Rate

11.20%

Female Poverty Rate

Poverty in Grundy County, Illinois

The race most likely to be in poverty in Grundy County, Illinois is Black, with 33.11% below the poverty level.

The race least likely to be in poverty in Grundy County, Illinois is Multiple, with 1.11% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.80%. Among those working part-time, it was 10.20%, and for those that did not work, the poverty rate was 17.11%.

Grundy County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School14.57%
Some College11.22%
High School7.69%
Bachelors or Greater3.29%

Grundy County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed19.60%
Male Unemployed13.12%
Female Employed6.31%
Male Employed3.47%

Grundy County, Illinois Income

Grundy County, Illinois Income by Household Type

Name Median Mean
Households$71,598$84,678
Families$83,688$96,472
Married Families$92,098$
Non Families$36,736$49,539

Grundy County, Illinois Marital Status

Grundy County, Illinois Marital Status

Marriage Rates

56.8%

Overall Marriage Rate

58.3%

Male Marriage Rate

55.3%

Female Marriage Rate

Grundy County, Illinois Married by Age and Sex

Grundy County, Illinois Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Grundy County, Illinois Marital Status by Race


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Grundy County, Illinois Veterans

Grundy County, Illinois Veterans by War

3,050

Number of Veterans

2,807

Male Veterans

243

Female Veterans

Name Veterans
Vietnam973
First Gulf War614
Second Gulf War485
Korea170
World War II95

Grundy County, Illinois Veterans by Age

Name Veterans
65 to 74824
35 to 54741
75+606
18 to 34457
55 to 64422

Grundy County, Illinois Veterans by Race

Name Veterans % of Total
White3,0138.49%
Hispanic1796.05%
2 or More145.51%
Black132.50%
Indian1047.62%

Grundy County, Illinois Veterans by Education

7.16%

Veteran Poverty Rate

25.30%

Veteran Disability Rate

Grundy County, Illinois Employment Status

Grundy County, Illinois Employment by Age

67.3%

Labor Force Participation

63.3%

Employment Rate

5.8%

Unemployment Rate

Grundy County, Illinois Employment by Race

Grundy County, Illinois Employment by Education

Population of Cities in Grundy County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Morris13638144968586.29%
Channahon 1256012600400.32%
Minooka 10924112543303.02%
Braidwood 62176157-60-0.97%
Coal City 55875434-153-2.74%
Dwight 42604032-228-5.35%
Diamond 25272471-56-2.22%
Seneca 23652281-84-3.55%
Gardner14631419-44-3.01%
Mazon1015978-37-3.65%
Braceville 792760-32-4.04%
Godley 6026959315.45%
South Wilmington681655-26-3.82%
Carbon Hill345344-1-0.29%
Verona215212-3-1.40%
East Brooklyn106104-2-1.89%
Kinsman9997-2-2.02%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990