Cortland, NY micro area ZIP codes
The Cortland, NY micropolitan statistical area (CBSA 18660) covers 1 county in New York and 12 ZIP codes.
- ZIP codes
- 12
- Population
- 46,761
- Avg. median income
- $70,100population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Cortland, NY area
ZIP codes in the Cortland, NY area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 13040 | Cincinnatus | Cortland County | 2,595 | $70,167 | $180,400 |
| 13045 | Cortland | Cortland County | 28,361 | $69,961 | $210,300 |
| 13056 PO Box | East Homer | Cortland County | — | — | — |
| 13077 | Homer | Cortland County | 6,405 | $72,266 | $233,600 |
| 13087 | Little York | Cortland County | 116 | $97,125 | $205,800 |
| 13101 | Mc Graw | Cortland County | 2,358 | $63,587 | $181,100 |
| 13141 | Preble | Cortland County | 652 | $80,208 | $224,100 |
| 13158 | Truxton | Cortland County | 1,217 | $85,208 | $198,100 |
| 13738 | Blodgett Mills | Cortland County | 20 | — | — |
| 13784 | Harford | Cortland County | 382 | $76,446 | $177,900 |
| 13803 | Marathon | Cortland County | 4,273 | $63,713 | $206,800 |
| 13863 | Willet | Cortland County | 382 | $73,333 | $155,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Frequently asked questions
How many ZIP codes are in the Cortland, NY micro area?
12 ZIP codes, based on each ZIP code's main county.
Which counties make up the Cortland, NY area?
Cortland County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).