Stephenson County, Illinois demographics
Population: 44,817
Median age: 45.6
Median household income: 53,806
Demographics, population, home values, social and economic characteristics of Stephenson County, Illinois.
Population
| 2021 | 44,817 |
| 2020 | 44,683 |
| 2019 | 45,093 |
| 2018 | 45,433 |
| 2017 | 45,839 |
| 2016 | 46,283 |
| 2015 | 46,625 |
| 2014 | 47,053 |
| 2013 | 47,315 |
| 2012 | 47,532 |
| 2011 | 47,730 |
| 2010 | 47,791 |
| 2009 | 46,821 |
Stephenson County, IL cities
Cedarville village - 664
Dakota village - 677
Davis village - 415
Freeport city - 24,087
German Valley village - 527
Lake Summerset CDP - 2,323
Lena village - 2,854
Orangeville village - 826
Pearl City village - 808
Ridott village - 128
Rock City village - 315
Winslow village - 313
Census data for Stephenson County, Illinois
Demographic and housing estimates in Stephenson County, Illinois
| Total population | 44,817 |
| Male | 21,975 |
| Female | 22,842 |
| Total population | 44,817 |
| Under 5 years | 2,571 |
| 5 to 9 years | 2,460 |
| 10 to 14 years | 2,809 |
| 15 to 19 years | 2,695 |
| 20 to 24 years | 2,461 |
| 25 to 34 years | 4,479 |
| 35 to 44 years | 4,638 |
| 45 to 54 years | 5,730 |
| 55 to 59 years | 2,966 |
| 60 to 64 years | 3,646 |
| 65 to 74 years | 5,847 |
| 75 to 84 years | 2,995 |
| 85 years and over | 1,520 |
| Median age (years) | 45.6 |
| Under 18 years | 9,681 |
| 16 years and over | 36,335 |
| 18 years and over | 35,136 |
| 21 years and over | 33,822 |
| 62 years and over | 12,569 |
| 65 years and over | 10,362 |
| Total population | 44,817 |
| One race | 42,608 |
| White | 37,804 |
| Black or African American | 4,214 |
| American Indian and Alaska Native | 79 |
| Asian | 343 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 168 |
| Two or more races | 2,209 |
| Citizen, VOTING AGE 18 and over population | 34,806 |
| Male Citizen, VOTING AGE 18 and over population | 16,781 |
| Female Citizen, VOTING AGE 18 and over population | 18,025 |
Social characteristics in Stephenson County, Illinois
| Total households | 19,253 |
| Family households (families) | 9,257 |
| Married-couple family | 1,455 |
| Male householder, no wife present, family | 3,186 |
| Female householder, no husband present, family | 2,524 |
| Nonfamily households | 5,355 |
| Average household size | 7,140 |
| Average family size | 2.29 |
Economic characteristics in Stephenson County, Illinois
| Total households | 19,253 |
| Less than $10,000 | 1,240 |
| $10,000 to $14,999 | 1,098 |
| $15,000 to $24,999 | 1,998 |
| $25,000 to $34,999 | 1,952 |
| $35,000 to $49,999 | 2,642 |
| $50,000 to $74,999 | 3,792 |
| $75,000 to $99,999 | 2,103 |
| $100,000 to $149,999 | 3,041 |
| $150,000 to $199,999 | 785 |
| $200,000 or more | 602 |
| Median household income (dollars) | 53,806 |
Housing characteristics in Stephenson County, Illinois
| Total housing units | 21,449 |
| Occupied housing units | 19,253 |
| Vacant housing units | 2,196 |
| Total housing units | 21,449 |
| 1-unit, detached | 16,008 |
| 1-unit, attached | 695 |
| 2 units | 1,044 |
| 3 or 4 units | 901 |
| 5 to 9 units | 564 |
| 10 to 19 units | 347 |
| 20 or more units | 1,003 |
| Mobile home | 873 |
| Boat, RV, van, etc. | 14 |
| Total housing units | 21,449 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 327 |
| Built 2000 to 2009 | 1,062 |
| Built 1990 to 1999 | 2,210 |
| Built 1980 to 1989 | 1,915 |
| Built 1970 to 1979 | 2,834 |
| Built 1960 to 1969 | 2,197 |
| Built 1950 to 1959 | 2,378 |
| Built 1940 to 1949 | 1,115 |
| Built 1939 or earlier | 7,411 |
| Total housing units | 21,449 |
| 1 room | 257 |
| 2 rooms | 637 |
| 3 rooms | 989 |
| 4 rooms | 2,576 |
| 5 rooms | 4,326 |
| 6 rooms | 4,661 |
| 7 rooms | 3,070 |
| 8 rooms | 2,337 |
| 9 rooms or more | 2,596 |
| Median rooms | 5.9 |
| Total housing units | 21,449 |
| No bedroom | 283 |
| 1 bedroom | 1,883 |
| 2 bedrooms | 5,902 |
| 3 bedrooms | 10,055 |
| 4 bedrooms | 2,601 |
| 5 or more bedrooms | 725 |
| Occupied housing units | 19,253 |
| Owner-occupied | 13,624 |
| Renter-occupied | 5,629 |
| Average household size of owner-occupied unit | 2.38 |
| Average household size of renter-occupied unit | 2.07 |
| Occupied housing units | 19,253 |
| Moved in 2017 or later | 1,358 |
| Moved in 2015 to 2016 | 4,698 |
| Moved in 2010 to 2014 | 3,160 |
| Moved in 2000 to 2009 | 4,164 |
| Moved in 1990 to 1999 | 2,661 |
| Moved in 1989 and earlier | 3,212 |
| Owner-occupied units | 13,624 |
| Less than $50,000 | 2,235 |
| $50,000 to $99,999 | 4,365 |
| $100,000 to $149,999 | 2,728 |
| $150,000 to $199,999 | 2,033 |
| $200,000 to $299,999 | 1,316 |
| $300,000 to $499,999 | 684 |
| $500,000 to $999,999 | 135 |
| $1,000,000 or more | 128 |
| Median (dollars) | 103,900 |
| Owner-occupied units | 13,624 |
| Housing units with a mortgage | 7,178 |
| Housing units without a mortgage | 6,446 |
| Occupied units paying rent | 5,171 |
| Less than $500 | 1,106 |
| $500 to $999 | 3,357 |
| $1,000 to $1,499 | 441 |
| $1,500 to $1,999 | 148 |
| $2,000 to $2,499 | 47 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 72 |
| Median (dollars) | 696 |
| No rent paid | 458 |
Demographic data for Stephenson County, IL and each city in the county. Lists of cities by population, wealth and poverty in Stephenson County, IL.
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