Cortland, IL ZIP Codes
2 ZIP codes serve Cortland, Illinois: 60112 and 60151. Together they are home to 8,509 residents in 3,036 households. That is more than the 4,564 people counted inside Cortland town limits, because these ZIP codes reach past its boundary. Median household income ranges from $72,831 in 60112 to $117,450 in 60151.
Cortland town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 4,564 |
| Households | 1,558 |
| Median household income | $73,971 |
| Median home value | $233,200 |
| Median age | 31.5 |
| Median rent | $1,552 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 8,509 |
| Households (sum of ZIP codes) | 3,036 |
| Median household income, range across ZIP codes | $72,831 (60112) to $117,450 (60151) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $93,950 |
| Homeowners | 80.6% |
| Households with kids under 18 | 34.4% |
| Moved in the past year | 16.5% |
| Carrier routes in EDDM2GO's route library | 7 routes, 3,268 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Cortland: 60151 ($117,450)
- Most residents: 60112 (4,621 people)
- Highest homeownership: 60151 (82.9% own their home)
- Most households with kids: 60112 (41.7% of households)
- Most new movers: 60112 (23.6% moved in last year)
- Youngest median age: 60112 (31.5 years)
- Highest median home value: 60151 ($347,400)
Every ZIP code in Cortland
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 60112 | Cortland | 4,621 | 1,599 | $72,831 | $229,900 | 78.6% | 41.7% | 23.6% | 3 | 1,790 | 75% of its land; mailing city |
| 60151 | Maple Park | 3,888 | 1,437 | $117,450 | $347,400 | 82.9% | 26.2% | 8.1% | 4 | 1,587 | 1% of its land |
A ZIP code is listed for Cortland when at least 10% of its land lies inside Cortland town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Cortland. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Cortland.
Counties
- DeKalb County — 18 ZIP codes
- Kane County — 29 ZIP codes
Price a mailing to Cortland ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Cortland, IL?
- 60112 and 60151. A ZIP code is listed for Cortland when at least 10% of its land lies inside Cortland town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Cortland.
- What is the population of Cortland, IL?
- The Census Bureau counts 4,564 residents inside Cortland town limits (ACS 2020–2024). The 2 ZIP codes that serve Cortland hold 8,509 residents in all.
- What is the median household income in Cortland, IL?
- $73,971 inside Cortland town limits, per the Census Bureau. Across its ZIP codes the medians run from $72,831 to $117,450.
- Which Cortland ZIP code has the highest median household income?
- 60151, at $117,450, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Cortland, IL?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 7 carrier routes reaching 3,268 residential and 109 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.