Williamson County, Illinois demographics
Population: 67,271
Median age: 41.1
Median household income: 54,682
Demographics, population, home values, social and economic characteristics of Williamson County, Illinois.
Population
| 2021 | 67,271 |
| 2020 | 66,929 |
| 2019 | 67,102 |
| 2018 | 67,299 |
| 2017 | 67,477 |
| 2016 | 67,336 |
| 2015 | 67,121 |
| 2014 | 66,808 |
| 2013 | 66,606 |
| 2012 | 66,335 |
| 2011 | 66,025 |
| 2010 | 65,579 |
| 2009 | 64,212 |
Williamson County, IL cities
Bush village - 316
Cambria village - 1,061
Carbondale city - 22,388
Carterville city - 5,839
Colp village - 289
Crab Orchard CDP - 259
Crainville village - 1,671
Creal Springs city - 476
Energy village - 1,167
Freeman Spur village - 270
Herrin city - 12,398
Hurst city - 845
Johnston City city - 3,403
Marion city - 16,960
Pittsburg village - 576
Spillertown village - 249
Stonefort village - 389
Whiteash CDP - 53
Census data for Williamson County, Illinois
Demographic and housing estimates in Williamson County, Illinois
| Total population | 67,271 |
| Male | 33,700 |
| Female | 33,571 |
| Total population | 67,271 |
| Under 5 years | 3,832 |
| 5 to 9 years | 4,193 |
| 10 to 14 years | 4,332 |
| 15 to 19 years | 3,743 |
| 20 to 24 years | 3,221 |
| 25 to 34 years | 8,669 |
| 35 to 44 years | 8,853 |
| 45 to 54 years | 8,503 |
| 55 to 59 years | 4,428 |
| 60 to 64 years | 4,825 |
| 65 to 74 years | 7,459 |
| 75 to 84 years | 3,823 |
| 85 years and over | 1,390 |
| Median age (years) | 41.1 |
| Under 18 years | 14,773 |
| 16 years and over | 54,144 |
| 18 years and over | 52,498 |
| 21 years and over | 50,638 |
| 62 years and over | 15,630 |
| 65 years and over | 12,672 |
| Total population | 67,271 |
| One race | 65,037 |
| White | 60,606 |
| Black or African American | 2,717 |
| American Indian and Alaska Native | 151 |
| Asian | 887 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 676 |
| Two or more races | 2,234 |
| Citizen, VOTING AGE 18 and over population | 51,845 |
| Male Citizen, VOTING AGE 18 and over population | 25,649 |
| Female Citizen, VOTING AGE 18 and over population | 26,196 |
Social characteristics in Williamson County, Illinois
| Total households | 28,057 |
| Family households (families) | 12,944 |
| Married-couple family | 1,889 |
| Male householder, no wife present, family | 5,459 |
| Female householder, no husband present, family | 3,942 |
| Nonfamily households | 7,765 |
| Average household size | 9,157 |
| Average family size | 2.32 |
Economic characteristics in Williamson County, Illinois
| Total households | 28,057 |
| Less than $10,000 | 1,966 |
| $10,000 to $14,999 | 1,279 |
| $15,000 to $24,999 | 2,790 |
| $25,000 to $34,999 | 2,984 |
| $35,000 to $49,999 | 3,943 |
| $50,000 to $74,999 | 4,467 |
| $75,000 to $99,999 | 3,711 |
| $100,000 to $149,999 | 4,229 |
| $150,000 to $199,999 | 1,476 |
| $200,000 or more | 1,212 |
| Median household income (dollars) | 54,682 |
Housing characteristics in Williamson County, Illinois
| Total housing units | 31,674 |
| Occupied housing units | 28,057 |
| Vacant housing units | 3,617 |
| Total housing units | 31,674 |
| 1-unit, detached | 23,622 |
| 1-unit, attached | 470 |
| 2 units | 2,022 |
| 3 or 4 units | 1,447 |
| 5 to 9 units | 712 |
| 10 to 19 units | 286 |
| 20 or more units | 567 |
| Mobile home | 2,526 |
| Boat, RV, van, etc. | 22 |
| Total housing units | 31,674 |
| Built 2014 or later | 40 |
| Built 2010 to 2013 | 2,855 |
| Built 2000 to 2009 | 4,402 |
| Built 1990 to 1999 | 4,955 |
| Built 1980 to 1989 | 3,940 |
| Built 1970 to 1979 | 4,679 |
| Built 1960 to 1969 | 2,763 |
| Built 1950 to 1959 | 2,032 |
| Built 1940 to 1949 | 1,469 |
| Built 1939 or earlier | 4,539 |
| Total housing units | 31,674 |
| 1 room | 658 |
| 2 rooms | 231 |
| 3 rooms | 1,979 |
| 4 rooms | 5,193 |
| 5 rooms | 6,939 |
| 6 rooms | 7,111 |
| 7 rooms | 4,129 |
| 8 rooms | 2,602 |
| 9 rooms or more | 2,832 |
| Median rooms | 5.6 |
| Total housing units | 31,674 |
| No bedroom | 723 |
| 1 bedroom | 1,589 |
| 2 bedrooms | 9,339 |
| 3 bedrooms | 15,069 |
| 4 bedrooms | 3,914 |
| 5 or more bedrooms | 1,040 |
| Occupied housing units | 28,057 |
| Owner-occupied | 20,118 |
| Renter-occupied | 7,939 |
| Average household size of owner-occupied unit | 2.42 |
| Average household size of renter-occupied unit | 2.07 |
| Occupied housing units | 28,057 |
| Moved in 2017 or later | 2,529 |
| Moved in 2015 to 2016 | 7,327 |
| Moved in 2010 to 2014 | 5,233 |
| Moved in 2000 to 2009 | 6,208 |
| Moved in 1990 to 1999 | 3,195 |
| Moved in 1989 and earlier | 3,565 |
| Owner-occupied units | 20,118 |
| Less than $50,000 | 2,452 |
| $50,000 to $99,999 | 5,057 |
| $100,000 to $149,999 | 4,491 |
| $150,000 to $199,999 | 3,299 |
| $200,000 to $299,999 | 2,815 |
| $300,000 to $499,999 | 1,632 |
| $500,000 to $999,999 | 254 |
| $1,000,000 or more | 118 |
| Median (dollars) | 125,800 |
| Owner-occupied units | 20,118 |
| Housing units with a mortgage | 11,239 |
| Housing units without a mortgage | 8,879 |
| Occupied units paying rent | 7,295 |
| Less than $500 | 1,686 |
| $500 to $999 | 3,808 |
| $1,000 to $1,499 | 1,498 |
| $1,500 to $1,999 | 137 |
| $2,000 to $2,499 | 95 |
| $2,500 to $2,999 | 24 |
| $3,000 or more | 47 |
| Median (dollars) | 779 |
| No rent paid | 644 |
Demographic data for Williamson County, IL and each city in the county. Lists of cities by population, wealth and poverty in Williamson County, IL.
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