Cortland, IL 60112 ZIP Code Profile

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Cortland, IL

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ZIP Code 60112: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Cortland, IL 60112

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 68
  • Single Family Addresses: 1,320
  • Multi-Family Addresses: 235
  • County: DeKalb County
  • Centroid: Latitude 41.921, Longitude -88.691
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


60112 ZIP Code Map

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Cortland, IL 60112 Data & Demographics (As of July 1, 2016)


Total Population 4,709
Population in Households 4,709
Population in Familes 3,918
Population in Group Qrtrs 0
Population Density1 1,127
Diversity Index2 44


Total Households 1,580
Average Household Size 2.98
Family Households 1,133
Average Family Size 3


Total Housing Units 1,687 (100%)
Owner Occupied HU 1,217 (72.1%)
Renter Occupied HU 363 (21.5%)
Vacant Housing Units 107 ( 6.3%)
Median Home Value $164,072
Average Home Value $184,593


Median Household Income $64,467
Average Household Income $72,353
Per Capita Income $24,277
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.36% 2.57%
Households 0.2% 2.57%
Families 0.0% 2.47%
Median Household Income   2.53%
Per Capita Income   1.44%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Cortland, IL 60112 - Peer Comparisons by Rank and Percentile

The table below compares 60112 to the other 1,378 ZIP Codes in Illinois by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 500 64th
Population Density1 # 321 77th
Diversity Index2 # 269 81st
Median Household Income # 319 77th
Per Capita Income # 929 33rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.