Data Last Updated: June 1, 2023

ZIP Codes for City of Cortland, IL


    
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Counties:	DEKALB, IL
Area Code(s):	815, 779
Timezone(s):	Central (GMT -06:00)
City Population:	4,270 (More Details)
CBSA:	Chicago-Naperville-Elgin, IL-IN-WI
Congressional District(s):	14
Land Area:	631 square miles (county)
Water Area:	3 square miles (county)

1 ZIP Code

Cortland, IL ZIP Code Boundaries

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Cortland, IL Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
60112	Standard	4,560	100.00%

Cortland, IL Demographic Information *

Total population**	4,270
Male population	2,112
Female population	2,158
Median age (years)	29.5
White Population	3,667
Black Population	233
Indian Population	21
Asian Population	73
Hawaiian Population	0
Hispanic Population	527
Median age (Male)	29.7
Median age (Female)	29.4
Total households	1,423
Family households (families)	1,119
Average household size	3
Average family size	3.32
Total housing units	1,530

* Demographic data is based on 2010 Census for the City of CORTLAND.
** City and ZIP Code Population will not be equal due to differences in their geographies.

References

U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov