Cortland, Illinois
Cortland: Township in DeKalb County, Illinois
About
Cortland is a township located in the county of DeKalb in the U.S. state of Illinois. Its population at the 2010 census was 4,270 and a population density of 121 people per km². After 10 years in 2020 city had an estimated population of 4,393 inhabitants.
Quick Facts about Cortland
| Population : | 4,393 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| County : | DeKalb County |
| Area : | 35.3 km2 |
| Altitude : | 850 feet / 259 meters |
| Time Zone : | America/Chicago |
| Local time : | 04:40:48 (5th December 2025) |
| Postal code : | 60112 |
| Density : | 124 Pop. per km² as of 2020 |
| Population growth : | 2.8% (2010-2020) |
Geography
Cortland is located at 41°55'12"N 88°41'19"W (41.9200300, -88.6887000).
Cortland map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Demographics
The population of Cortland increased by 2.8% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 4,270 | - | census |
| 2011 | 4,286 | 0.37% | estimation process |
| 2012 | 4,320 | 0.79% | estimation process |
| 2013 | 4,322 | 0.05% | estimation process |
| 2014 | 4,340 | 0.41% | estimation process |
| 2015 | 4,337 | -0.07% | estimation process |
| 2016 | 4,334 | -0.07% | estimation process |
| 2017 | 4,342 | 0.18% | estimation process |
| 2018 | 4,382 | 0.91% | estimation process |
| 2019 | 4,418 | 0.81% | estimation process |
| 2020 | 4,393 | -0.57% | estimation process |
Demographic Facts
| Estimated population as of July 1, 2019 : | 159,203 |
| Based on demographic estimates as of April 1, 2010 : | 144,427 |
| Based on demographic estimates as of 1 April 2010 : | 10.2% |
| April 1, 2020 Population : | 162,954 |
| April 1, 2010 Population : | 144,186 |
| People under 5 years old, percentage : | 6.0% |
| People under 18 years old, percentage : | 21.4% |
| People over 65 (%) : | 12.1% |
| Female persons, % : | 50.2% |
| White only, percent : | 35.1% |
| Black or African American alone, percent : | 9.6% |
| American Indian and Alaska Native only, % : | 0.8% |
| Asians alone % : | 27.2% |
| Only Native Hawaiians and Other Pacific Islanders, % : | 2.2% |
| % of people who have participated in two or more races : | 7.2% |
| % of Hispanic or Latino : | 40.3% |
| White people, not Hispanic or Latino people, make up the majority of the population. : | 16.2% |
| 2015-2019 Veterans : | 4,394 |
| Percentage of foreign-born people, 2015-2019 : | 38.7% |
| Rate of owner-occupied housing units, 2015-2019 : | 52.8% |
Cortland zip code is 60112.
County name: DeKalb, County
fips: 17037
Cortland, Courtland, Courtland Station, Lost Grove, Pampas, Richland
Economic Facts
| Rate of owner-occupied housing units, 2015-2019 : | 52.8% |
| Owner-occupied housing unit median value, 2015-2019 : | $581,200 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $2,542 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $588 |
| 2015-2019 median gross rent : | $1,825 |
| 2015-2019 Households : | 47,666 |
| Population per household, 2015-2019 : | 3.27 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 90.3% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 59.5% |
| Households with computers, %, 2015-2019 : | 94.7% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 89.0% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 83.1% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 27.7% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 5.6% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 5.2% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 67.2% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 61.0% |
| Total sales of lodging and food services in 2012 ($1,000) : | 224,951 |
| Total receipts/revenue for health care and social assistance in 2012 ($1,000) : | 1,383,326 |
| Manufacturers' total shipments in 2012 ($1,000) : | 4,108,104 |
| 2012 total retail sales ($1,000) : | 1,765,733 |
| 2012 total retail sales per capita : | $11,819 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 34.9 |
| 2015-2019 median household income (in 2019 dollars) : | $86,744 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $33,748 |
| Percentage of people living in poverty : | 8.4% |
| Total number of businesses in 2012 : | 10,978 |
| Men-owned businesses in 2012 : | 6,167 |
| Women-owned businesses in 2012 : | 3,421 |
| Minority-owned businesses in 2012 : | 6,869 |
| Non-minority-owned businesses in 2012 : | 3,477 |
| Veteran-owned businesses in 2012 : | 705 |
| Nonveteran-owned businesses in 2012 : | 9,496 |
| 2010 population per square mile : | 3,181.3 |
| 2010 land area in square miles : | 45.32 |
Schools in Cortland
College & universities near Cortland, IL
| Code | Name | City | ZIP |
|---|---|---|---|
| 145424 | Hair Professionals Career College | Sycamore (IL) | 60178 |
Stations (20)
Amtrak & bus stations near Cortland, IL
| Code | Name | Address | Type |
|---|---|---|---|
| PLO | Plano | 101 West Main Street | RAIL |
| RCK | Rockford, Illinois | 7559 Walton St. | BUS |
| NPV | Naperville | 105 E. Fourth Ave. | RAIL |
| MDT | Mendota station | 783 Main Street | RAIL |
| JOL | Joliet Transportation Center | 50 East Jefferson Street | RAIL |
Post offices near Cortland
| Post Office Name | City | ZIP |
|---|---|---|
| Cortland Post Office | Cortland (IL) | 60112 |
Other places with the same name (4)
- Cortland , New York city in New York, USA with a population of 18,455 people.
- Cortland , Ohio city in Ohio with a population of 6,741 people.
- Cortland , Nebraska city in Gage County, Nebraska, United States of America with a population of 478 people.
Other cities in DeKalb County
Cities, towns, neighborhoods & other populated places in DeKalb County , IL.
| City Name | Population | Title |
|---|---|---|
| DeKalb | 42,621 | The county seat of DeKalb County, Illinois. |
| Sycamore | 18,317 | City in Illinois |
| Sandwich | 7,384 | Town in DeKalb, Kendall, and LaSalle counties, Illinois, United States |
| Genoa | 5,251 | City in DeKalb County, Illinois, United States |
| Hinckley | 2,042 | Illinois |
| Somonauk | 1,860 | City in Illinois, United States of America |
| Kirkland | 1,717 | Village in DeKalb County, Illinois, United States |
| Waterman | 1,497 | Human settlement in Illinois, United States of America |
| Malta | 1,161 | Village in Illinois, US |
| Shabbona | 913 | Township in DeKalb County, Illinois |
Distance to Other Cities
Cortland distances to largest Illinois cities
