Knox County, Illinois demographics
Population: 50,193
Median age: 41.8
Median household income: 45,994
Demographics, population, home values, social and economic characteristics of Knox County, Illinois.
Population
2021 | 50,193 |
2020 | 50,052 |
2019 | 50,508 |
2018 | 50,999 |
2017 | 51,374 |
2016 | 51,752 |
2015 | 52,112 |
2014 | 52,447 |
2013 | 52,545 |
2012 | 52,698 |
2011 | 52,881 |
2010 | 52,932 |
2009 | 52,077 |
Knox County, IL cities
Abingdon city - 3,586
Altona village - 602
East Galesburg village - 595
Galesburg city - 30,298
Gilson CDP - 171
Henderson village - 249
Knoxville city - 3,258
London Mills village - 365
Maquon village - 206
Oak Run CDP - 630
Oneida city - 787
Rio village - 199
St. Augustine village - 125
Victoria village - 274
Wataga village - 726
Williamsfield village - 489
Yates City village - 711
Census data for Knox County, Illinois
Demographic and housing estimates in Knox County, Illinois
Total population | 50,193 |
Male | 25,526 |
Female | 24,667 |
Total population | 50,193 |
Under 5 years | 2,814 |
5 to 9 years | 2,717 |
10 to 14 years | 2,762 |
15 to 19 years | 3,415 |
20 to 24 years | 3,601 |
25 to 34 years | 5,554 |
35 to 44 years | 5,819 |
45 to 54 years | 5,790 |
55 to 59 years | 3,457 |
60 to 64 years | 3,566 |
65 to 74 years | 6,148 |
75 to 84 years | 3,327 |
85 years and over | 1,223 |
Median age (years) | 41.8 |
Under 18 years | 10,042 |
16 years and over | 41,240 |
18 years and over | 40,151 |
21 years and over | 37,471 |
62 years and over | 12,649 |
65 years and over | 10,698 |
Total population | 50,193 |
One race | 48,499 |
White | 42,575 |
Black or African American | 4,416 |
American Indian and Alaska Native | 45 |
Asian | 518 |
Native Hawaiian and Other Pacific Islander | 0 |
Some other race | 945 |
Two or more races | 1,694 |
Citizen, VOTING AGE 18 and over population | 38,999 |
Male Citizen, VOTING AGE 18 and over population | 19,595 |
Female Citizen, VOTING AGE 18 and over population | 19,404 |
Social characteristics in Knox County, Illinois
Total households | 20,575 |
Family households (families) | 8,748 |
Married-couple family | 1,505 |
Male householder, no wife present, family | 4,367 |
Female householder, no husband present, family | 3,530 |
Nonfamily households | 5,955 |
Average household size | 7,718 |
Average family size | 2.23 |
Economic characteristics in Knox County, Illinois
Total households | 20,575 |
Less than $10,000 | 1,852 |
$10,000 to $14,999 | 1,220 |
$15,000 to $24,999 | 2,692 |
$25,000 to $34,999 | 2,088 |
$35,000 to $49,999 | 3,021 |
$50,000 to $74,999 | 3,610 |
$75,000 to $99,999 | 2,510 |
$100,000 to $149,999 | 2,340 |
$150,000 to $199,999 | 766 |
$200,000 or more | 476 |
Median household income (dollars) | 45,994 |
Housing characteristics in Knox County, Illinois
Total housing units | 23,839 |
Occupied housing units | 20,575 |
Vacant housing units | 3,264 |
Total housing units | 23,839 |
1-unit, detached | 18,448 |
1-unit, attached | 252 |
2 units | 744 |
3 or 4 units | 870 |
5 to 9 units | 828 |
10 to 19 units | 737 |
20 or more units | 1,064 |
Mobile home | 896 |
Boat, RV, van, etc. | 0 |
Total housing units | 23,839 |
Built 2014 or later | 0 |
Built 2010 to 2013 | 470 |
Built 2000 to 2009 | 804 |
Built 1990 to 1999 | 1,606 |
Built 1980 to 1989 | 1,249 |
Built 1970 to 1979 | 4,281 |
Built 1960 to 1969 | 1,965 |
Built 1950 to 1959 | 3,850 |
Built 1940 to 1949 | 1,074 |
Built 1939 or earlier | 8,540 |
Total housing units | 23,839 |
1 room | 719 |
2 rooms | 249 |
3 rooms | 1,522 |
4 rooms | 3,441 |
5 rooms | 5,050 |
6 rooms | 5,068 |
7 rooms | 3,182 |
8 rooms | 2,455 |
9 rooms or more | 2,153 |
Median rooms | 5.7 |
Total housing units | 23,839 |
No bedroom | 738 |
1 bedroom | 2,629 |
2 bedrooms | 6,939 |
3 bedrooms | 9,349 |
4 bedrooms | 3,527 |
5 or more bedrooms | 657 |
Occupied housing units | 20,575 |
Owner-occupied | 13,931 |
Renter-occupied | 6,644 |
Average household size of owner-occupied unit | 2.30 |
Average household size of renter-occupied unit | 2.07 |
Occupied housing units | 20,575 |
Moved in 2017 or later | 1,159 |
Moved in 2015 to 2016 | 5,121 |
Moved in 2010 to 2014 | 3,974 |
Moved in 2000 to 2009 | 4,123 |
Moved in 1990 to 1999 | 2,740 |
Moved in 1989 and earlier | 3,458 |
Owner-occupied units | 13,931 |
Less than $50,000 | 2,211 |
$50,000 to $99,999 | 6,141 |
$100,000 to $149,999 | 2,676 |
$150,000 to $199,999 | 1,153 |
$200,000 to $299,999 | 1,061 |
$300,000 to $499,999 | 509 |
$500,000 to $999,999 | 144 |
$1,000,000 or more | 36 |
Median (dollars) | 86,300 |
Owner-occupied units | 13,931 |
Housing units with a mortgage | 7,618 |
Housing units without a mortgage | 6,313 |
Occupied units paying rent | 6,290 |
Less than $500 | 1,953 |
$500 to $999 | 3,654 |
$1,000 to $1,499 | 569 |
$1,500 to $1,999 | 87 |
$2,000 to $2,499 | 21 |
$2,500 to $2,999 | 0 |
$3,000 or more | 6 |
Median (dollars) | 620 |
No rent paid | 354 |
Demographic data for Knox County, IL and each city in the county. Lists of cities by population, wealth and poverty in Knox County, IL.
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