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Cortland, IL Demographics & ZIP Codes
Cortland, Illinois demographics and median household income by ZIP code (in DeKalb County) — 1 ZIP codes — population 4,611 — median income $79,506 — avg. home value $202,400. Compare income, housing, and population across ZIP codes on US5.
Population
4,611
Median household income (avg.)
$79,506
106% of U.S. median
Average home value
$202,400
58% of U.S. median
Average rent
$1,272
109% of U.S. median
Median age (avg.)
31.8
Cortland demographics
Cortland, Illinois covers 1 ZIP code primarily in DeKalb County, with a combined ZIP-area population of about 4,611.
Across ZIP codes with age data, the average median age is about 31.8 years.
Median household income in Cortland
The average median household income across ZIP codes in Cortland, Illinois is about $79,506 — about even with the IL ZIP average ($78,143), and about 6% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $79,506 in 60112.
Housing in Cortland
For housing in Cortland, Illinois, the average median home value is about $202,400 and the average median rent is about $1,272.
The most populous ZIP in this set is 60112 (about 4,611 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Cortland
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 60112 | Cortland | DeKalb County | IL | 4,611 | $79,506 | $202,400 |
Frequently asked questions
What are the demographics of Cortland?
Cortland, Illinois has a combined ZIP-area population of about 4,611 across 1 ZIP codes (primarily DeKalb County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Cortland?
The average median household income across ZIP codes in Cortland, Illinois is about $79,506, roughly in line with the state ZIP average ($78,143), and about 6% above the U.S. median ($75,149). Average median home value is about $202,400.
How many ZIP codes are in Cortland?
Cortland, Illinois includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Cortland?
This page lists ZIP codes in Cortland, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.