Grundy County, Illinois demographics
Population: 52,364
Median age: 38.3
Median household income: 81,764
Demographics, population, home values, social and economic characteristics of Grundy County, Illinois.
Population
| 2021 | 52,364 |
| 2020 | 50,798 |
| 2019 | 50,666 |
| 2018 | 50,509 |
| 2017 | 50,333 |
| 2016 | 50,338 |
| 2015 | 50,277 |
| 2014 | 50,173 |
| 2013 | 50,064 |
| 2012 | 49,870 |
| 2011 | 49,460 |
| 2010 | 48,744 |
| 2009 | 46,513 |
Grundy County, IL cities
Braceville village - 863
Carbon Hill village - 388
Channahon village - 13,694
Coal City village - 5,238
Diamond village - 2,765
Dwight village - 3,840
Gardner village - 1,386
Godley village - 616
Kinsman village - 76
Mazon village - 1,282
Minooka village - 12,412
Morris city - 14,601
Seneca village - 2,648
South Wilmington village - 643
Verona village - 254
Census data for Grundy County, Illinois
Demographic and housing estimates in Grundy County, Illinois
| Total population | 52,364 |
| Male | 26,245 |
| Female | 26,119 |
| Total population | 52,364 |
| Under 5 years | 3,103 |
| 5 to 9 years | 3,893 |
| 10 to 14 years | 3,786 |
| 15 to 19 years | 3,672 |
| 20 to 24 years | 3,000 |
| 25 to 34 years | 6,598 |
| 35 to 44 years | 7,199 |
| 45 to 54 years | 7,118 |
| 55 to 59 years | 3,637 |
| 60 to 64 years | 3,086 |
| 65 to 74 years | 4,408 |
| 75 to 84 years | 2,039 |
| 85 years and over | 825 |
| Median age (years) | 38.3 |
| Under 18 years | 13,223 |
| 16 years and over | 40,730 |
| 18 years and over | 39,141 |
| 21 years and over | 37,385 |
| 62 years and over | 8,996 |
| 65 years and over | 7,272 |
| Total population | 52,364 |
| One race | 50,293 |
| White | 47,962 |
| Black or African American | 667 |
| American Indian and Alaska Native | 32 |
| Asian | 389 |
| Native Hawaiian and Other Pacific Islander | 26 |
| Some other race | 1,217 |
| Two or more races | 2,071 |
| Citizen, VOTING AGE 18 and over population | 38,211 |
| Male Citizen, VOTING AGE 18 and over population | 18,822 |
| Female Citizen, VOTING AGE 18 and over population | 19,389 |
Social characteristics in Grundy County, Illinois
| Total households | 20,159 |
| Family households (families) | 11,160 |
| Married-couple family | 988 |
| Male householder, no wife present, family | 3,794 |
| Female householder, no husband present, family | 2,554 |
| Nonfamily households | 4,217 |
| Average household size | 5,119 |
| Average family size | 2.58 |
Economic characteristics in Grundy County, Illinois
| Total households | 20,159 |
| Less than $10,000 | 550 |
| $10,000 to $14,999 | 469 |
| $15,000 to $24,999 | 1,242 |
| $25,000 to $34,999 | 1,368 |
| $35,000 to $49,999 | 2,105 |
| $50,000 to $74,999 | 3,529 |
| $75,000 to $99,999 | 2,914 |
| $100,000 to $149,999 | 4,082 |
| $150,000 to $199,999 | 2,076 |
| $200,000 or more | 1,824 |
| Median household income (dollars) | 81,764 |
Housing characteristics in Grundy County, Illinois
| Total housing units | 21,046 |
| Occupied housing units | 20,159 |
| Vacant housing units | 887 |
| Total housing units | 21,046 |
| 1-unit, detached | 15,147 |
| 1-unit, attached | 2,071 |
| 2 units | 417 |
| 3 or 4 units | 949 |
| 5 to 9 units | 678 |
| 10 to 19 units | 549 |
| 20 or more units | 389 |
| Mobile home | 846 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 21,046 |
| Built 2014 or later | 19 |
| Built 2010 to 2013 | 1,515 |
| Built 2000 to 2009 | 5,129 |
| Built 1990 to 1999 | 3,489 |
| Built 1980 to 1989 | 1,854 |
| Built 1970 to 1979 | 2,895 |
| Built 1960 to 1969 | 1,565 |
| Built 1950 to 1959 | 1,239 |
| Built 1940 to 1949 | 560 |
| Built 1939 or earlier | 2,781 |
| Total housing units | 21,046 |
| 1 room | 106 |
| 2 rooms | 149 |
| 3 rooms | 1,098 |
| 4 rooms | 2,632 |
| 5 rooms | 4,139 |
| 6 rooms | 4,272 |
| 7 rooms | 2,902 |
| 8 rooms | 2,587 |
| 9 rooms or more | 3,161 |
| Median rooms | 6.1 |
| Total housing units | 21,046 |
| No bedroom | 106 |
| 1 bedroom | 1,144 |
| 2 bedrooms | 5,061 |
| 3 bedrooms | 9,169 |
| 4 bedrooms | 4,661 |
| 5 or more bedrooms | 905 |
| Occupied housing units | 20,159 |
| Owner-occupied | 14,925 |
| Renter-occupied | 5,234 |
| Average household size of owner-occupied unit | 2.69 |
| Average household size of renter-occupied unit | 2.27 |
| Occupied housing units | 20,159 |
| Moved in 2017 or later | 2,349 |
| Moved in 2015 to 2016 | 5,563 |
| Moved in 2010 to 2014 | 3,136 |
| Moved in 2000 to 2009 | 4,920 |
| Moved in 1990 to 1999 | 2,119 |
| Moved in 1989 and earlier | 2,072 |
| Owner-occupied units | 14,925 |
| Less than $50,000 | 689 |
| $50,000 to $99,999 | 523 |
| $100,000 to $149,999 | 1,902 |
| $150,000 to $199,999 | 3,633 |
| $200,000 to $299,999 | 5,032 |
| $300,000 to $499,999 | 2,784 |
| $500,000 to $999,999 | 279 |
| $1,000,000 or more | 83 |
| Median (dollars) | 212,300 |
| Owner-occupied units | 14,925 |
| Housing units with a mortgage | 9,446 |
| Housing units without a mortgage | 5,479 |
| Occupied units paying rent | 5,074 |
| Less than $500 | 246 |
| $500 to $999 | 1,972 |
| $1,000 to $1,499 | 2,269 |
| $1,500 to $1,999 | 453 |
| $2,000 to $2,499 | 114 |
| $2,500 to $2,999 | 9 |
| $3,000 or more | 11 |
| Median (dollars) | 1,060 |
| No rent paid | 160 |
Demographic data for Grundy County, IL and each city in the county. Lists of cities by population, wealth and poverty in Grundy County, IL.
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