ZIP Code 60112
About Cortland
Cortland is an incorporated town in DeKalb County, Illinois, United States. The population was 4,398 at the 2020 Census. It was previously 4,270 at the 2010 census, up from 2,066 in 2000. Because of its status as an incorporated town, Cortland has adopted the slogan, "The Third Largest Town in Illinois". Only the towns of Cicero and Normal are larger, in terms of population. Most municipalities in Illinois are defined as "cities" or "villages."
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Area Profile
US Census (ACS 5-year · Gazetteer)
4,611
population
$79,506
median household income
1,262
people / sq mi
$202,400
median home value
$1,420
median gross rent
31.8
median age
1,691
housing units
1,612
households
3.7
land area (sq mi)
Points of interest
- gas
- bank
- gym
Brands
- Casey's (1)
- Mobil (1)