Cortland town, Illinois demographics
Population: 4,436
Median age: 30.2
Median household income: 72,431
Cortland is a town in DeKalb County, Illinois, United States.
Demographics, population, home values, social and economic characteristics of Cortland town, IL.
Population
| 2021 | 4,436 |
| 2020 | 4,261 |
| 2019 | 4,124 |
| 2018 | 4,087 |
| 2017 | 4,105 |
| 2016 | 4,135 |
| 2015 | 4,323 |
| 2014 | 4,375 |
| 2013 | 4,390 |
| 2012 | 4,280 |
| 2011 | 4,107 |
| 2010 | 3,803 |
| 2009 | 3,334 |
Census data for Cortland town, Illinois
Demographic and housing estimates in Cortland town, Illinois
| Total population | 4,436 |
| Male | 2,491 |
| Female | 1,945 |
| Total population | 4,436 |
| Under 5 years | 299 |
| 5 to 9 years | 277 |
| 10 to 14 years | 386 |
| 15 to 19 years | 172 |
| 20 to 24 years | 470 |
| 25 to 34 years | 1,021 |
| 35 to 44 years | 736 |
| 45 to 54 years | 283 |
| 55 to 59 years | 235 |
| 60 to 64 years | 208 |
| 65 to 74 years | 178 |
| 75 to 84 years | 138 |
| 85 years and over | 33 |
| Median age (years) | 30.2 |
| Under 18 years | 1,116 |
| 16 years and over | 3,446 |
| 18 years and over | 3,320 |
| 21 years and over | 3,191 |
| 62 years and over | 511 |
| 65 years and over | 349 |
| Total population | 4,436 |
| One race | 4,254 |
| White | 3,557 |
| Black or African American | 664 |
| American Indian and Alaska Native | 0 |
| Asian | 0 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 33 |
| Two or more races | 182 |
| Citizen, VOTING AGE 18 and over population | 3,170 |
| Male Citizen, VOTING AGE 18 and over population | 1,800 |
| Female Citizen, VOTING AGE 18 and over population | 1,370 |
Social characteristics in Cortland town, Illinois
| Total households | 1,595 |
| Family households (families) | 779 |
| Married-couple family | 240 |
| Male householder, no wife present, family | 355 |
| Female householder, no husband present, family | 220 |
| Nonfamily households | 221 |
| Average household size | 250 |
| Average family size | 2.78 |
Economic characteristics in Cortland town, Illinois
| Total households | 1,595 |
| Less than $10,000 | 56 |
| $10,000 to $14,999 | 26 |
| $15,000 to $24,999 | 36 |
| $25,000 to $34,999 | 56 |
| $35,000 to $49,999 | 99 |
| $50,000 to $74,999 | 551 |
| $75,000 to $99,999 | 203 |
| $100,000 to $149,999 | 294 |
| $150,000 to $199,999 | 191 |
| $200,000 or more | 83 |
| Median household income (dollars) | 72,431 |
Housing characteristics in Cortland town, Illinois
| Total housing units | 1,648 |
| Occupied housing units | 1,595 |
| Vacant housing units | 53 |
| Total housing units | 1,648 |
| 1-unit, detached | 959 |
| 1-unit, attached | 389 |
| 2 units | 34 |
| 3 or 4 units | 0 |
| 5 to 9 units | 196 |
| 10 to 19 units | 70 |
| 20 or more units | 0 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 1,648 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 14 |
| Built 2000 to 2009 | 743 |
| Built 1990 to 1999 | 374 |
| Built 1980 to 1989 | 35 |
| Built 1970 to 1979 | 165 |
| Built 1960 to 1969 | 62 |
| Built 1950 to 1959 | 161 |
| Built 1940 to 1949 | 68 |
| Built 1939 or earlier | 26 |
| Total housing units | 1,648 |
| 1 room | 0 |
| 2 rooms | 0 |
| 3 rooms | 51 |
| 4 rooms | 196 |
| 5 rooms | 459 |
| 6 rooms | 399 |
| 7 rooms | 190 |
| 8 rooms | 144 |
| 9 rooms or more | 209 |
| Median rooms | 5.8 |
| Total housing units | 1,648 |
| No bedroom | 0 |
| 1 bedroom | 4 |
| 2 bedrooms | 325 |
| 3 bedrooms | 983 |
| 4 bedrooms | 302 |
| 5 or more bedrooms | 34 |
| Occupied housing units | 1,595 |
| Owner-occupied | 1,127 |
| Renter-occupied | 468 |
| Average household size of owner-occupied unit | 2.92 |
| Average household size of renter-occupied unit | 2.44 |
| Occupied housing units | 1,595 |
| Moved in 2017 or later | 155 |
| Moved in 2015 to 2016 | 475 |
| Moved in 2010 to 2014 | 198 |
| Moved in 2000 to 2009 | 504 |
| Moved in 1990 to 1999 | 139 |
| Moved in 1989 and earlier | 124 |
| Owner-occupied units | 1,127 |
| Less than $50,000 | 15 |
| $50,000 to $99,999 | 24 |
| $100,000 to $149,999 | 303 |
| $150,000 to $199,999 | 550 |
| $200,000 to $299,999 | 212 |
| $300,000 to $499,999 | 0 |
| $500,000 to $999,999 | 23 |
| $1,000,000 or more | 0 |
| Median (dollars) | 167,900 |
| Owner-occupied units | 1,127 |
| Housing units with a mortgage | 915 |
| Housing units without a mortgage | 212 |
| Occupied units paying rent | 455 |
| Less than $500 | 0 |
| $500 to $999 | 21 |
| $1,000 to $1,499 | 317 |
| $1,500 to $1,999 | 117 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 1,374 |
| No rent paid | 13 |
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