Illinois ZIP Codes
Demographic and housing estimates in Illinois
| Total population | 12821497 |
| Male | 6295915 |
| Female | 6525582 |
| Total population | 12821497 |
| Under 5 years | 776957 |
| 5 to 9 years | 802346 |
| 10 to 14 years | 836956 |
| 15 to 19 years | 847578 |
| 20 to 24 years | 875317 |
| 25 to 34 years | 1779301 |
| 35 to 44 years | 1652053 |
| 45 to 54 years | 1706539 |
| 55 to 59 years | 868764 |
| 60 to 64 years | 780783 |
| 65 to 74 years | 1079625 |
| 75 to 84 years | 561726 |
| 85 years and over | 253552 |
| Median age (years) | 37.9 |
| Under 18 years | 2926561 |
| Under 16 years | 10234674 |
| 18 years and over | 9894936 |
| 21 years and over | 9382507 |
| 62 years and over | 2342824 |
| 65 years and over | 1894903 |
| Total population | 12821497 |
| One race | 12503084 |
| White | 9189185 |
| Black or African American | 1824125 |
| American Indian and Alaska Native | 31864 |
| Asian | 690822 |
| Native Hawaiian and Other Pacific Islander | 4582 |
| Some other race | 762506 |
| Two or more races | 318413 |
| Citizen, VOTING AGE 18 and over population | 9055187 |
| Male Citizen, VOTING AGE 18 and over population | 4366368 |
| Female Citizen, VOTING AGE 18 and over population | 4688819 |
Social characteristics in Illinois
| Total households | 4830038 |
| Family households (families) | 3117333 |
| Married-couple family | 2300306 |
| Male householder, no wife present, family | 221315 |
| Female householder, no husband present, family | 595712 |
| Nonfamily households | 1712705 |
| Average household size | 2.59 |
| Average family size | 3.25 |
Economic characteristics in Illinois
| Total households | 4830038 |
| Less than $10,000 | 314802 |
| $10,000 to $14,999 | 194284 |
| $15,000 to $24,999 | 431405 |
| $25,000 to $34,999 | 415960 |
| $35,000 to $49,999 | 577213 |
| $50,000 to $74,999 | 828597 |
| $75,000 to $99,999 | 613917 |
| $100,000 to $149,999 | 751099 |
| $150,000 to $199,999 | 335066 |
| $200,000 or more | 367695 |
| Median household income (dollars) | 63575 |
Housing characteristics in Illinois
| Total housing units | 5347268 |
| Occupied housing units | 4830038 |
| Vacant housing units | 517230 |
| Total housing units | 5347268 |
| 1-unit, detached | 3144791 |
| 1-unit, attached | 306831 |
| 2 units | 302751 |
| 3 or 4 units | 346168 |
| 5 to 9 units | 341128 |
| 10 to 19 units | 204909 |
| 20 or more units | 567465 |
| Mobile home | 131643 |
| Boat, RV, van, etc. | 1582 |
| Total housing units | 5347268 |
| Built 2014 or later | 38500 |
| Built 2010 to 2013 | 72291 |
| Built 2000 to 2009 | 592285 |
| Built 1990 to 1999 | 588244 |
| Built 1980 to 1989 | 478474 |
| Built 1970 to 1979 | 772176 |
| Built 1960 to 1969 | 624961 |
| Built 1950 to 1959 | 681255 |
| Built 1940 to 1949 | 336268 |
| Built 1939 or earlier | 1162814 |
| Total housing units | 5347268 |
| 1 room | 138761 |
| 2 rooms | 125098 |
| 3 rooms | 438586 |
| 4 rooms | 841761 |
| 5 rooms | 1054450 |
| 6 rooms | 950364 |
| 7 rooms | 645354 |
| 8 rooms | 483159 |
| 9 rooms or more | 669735 |
| Median rooms | 5.6 |
| Total housing units | 5347268 |
| No bedroom | 156410 |
| 1 bedroom | 604783 |
| 2 bedrooms | 1521853 |
| 3 bedrooms | 1952324 |
| 4 bedrooms | 882359 |
| 5 or more bedrooms | 229539 |
| Occupied housing units | 4830038 |
| Owner-occupied | 3189035 |
| Renter-occupied | 1641003 |
| Average household size of owner-occupied unit | 2.70 |
| Average household size of renter-occupied unit | 2.39 |
| Occupied housing units | 4830038 |
| Moved in 2017 or later | 213966 |
| Moved in 2015 to 2016 | 560222 |
| Moved in 2010 to 2014 | 1326550 |
| Moved in 2000 to 2009 | 1306030 |
| Moved in 1990 to 1999 | 697749 |
| Moved in 1989 and earlier | 725521 |
| Owner-occupied units | 3189035 |
| Less than $50,000 | 214345 |
| $50,000 to $99,999 | 476898 |
| $100,000 to $149,999 | 499362 |
| $150,000 to $199,999 | 513220 |
| $200,000 to $299,999 | 668842 |
| $300,000 to $499,999 | 537360 |
| $500,000 to $999,999 | 223197 |
| $1,000,000 or more | 55811 |
| Median (dollars) | 187200 |
| Owner-occupied units | 3189035 |
| Housing units with a mortgage | 2034106 |
| Housing units without a mortgage | 1154929 |
| Occupied units paying rent | 1571291 |
| Less than $500 | 168844 |
| $500 to $999 | 642493 |
| $1,000 to $1,499 | 458834 |
| $1,500 to $1,999 | 189431 |
| $2,000 to $2,499 | 67219 |
| $2,500 to $2,999 | 24366 |
| $3,000 or more | 20104 |
| Median (dollars) | 984 |
| No rent paid | 69712 |
Data is based on 2018 Census