Cayuga County, New York Zip Codes
📍 Cayuga County has 19 zip codes with a population of 73,457.
Cayuga County is located in New York with a land area of 646 square miles. The county seat is Auburn. Below you'll find all 19 zip codes in Cayuga County with population, income and home value, the county's affordability profile, and links to its 17 city pages.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Cayuga County Zip Codes
| ZIP Code | City | Details |
|---|---|---|
| 13021 | Auburn | View → |
| 13022 | Auburn | View → |
| 13024 | Auburn | View → |
| 13026 | Aurora | View → |
| 13033 | Cato | View → |
| 13034 | Cayuga | View → |
| 13071 | Genoa | View → |
| 13081 | King Ferry | View → |
| 13092 | Locke | View → |
| 13111 | Martville | View → |
| 13113 | Meridian | View → |
| 13117 | Montezuma | View → |
| 13118 | Moravia | View → |
| 13139 | Poplar Ridge | View → |
| 13140 | Port Byron | View → |
| 13147 | Scipio Center | View → |
| 13156 | Sterling | View → |
| 13160 | Union Springs | View → |
| 13166 | Weedsport | View → |
Cayuga County at a Glance
Cayuga County has 19 ZIP codes in this directory: 19 standard delivery ZIPs. The 16 ZIPs with published Census housing data cover 73,457 residents, the largest being 13021 (Auburn) with 37,479 people.
The median ZIP in Cayuga County has a household income of $72,762 and a home value of $164,100, a price-to-income ratio of 2.2, below the 2.9 New York ZIP median. Affordability ranges from 13034 in Cayuga at a ratio of 1.7 to 13081 in King Ferry, where the median home is $259,100. The highest median income is in 13034 (Cayuga) at $102,813. Median rent across these ZIPs is $950 a month.
82% of households in the typical Cayuga County ZIP own their home (statewide ZIP median 80%). 23% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 10.6%, above the 9.9% statewide ZIP median. Overall density is about 114 residents per square mile across 647 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 New York ZIP Code Affordability Report.
Cayuga County Zip Code Map
Interactive map of Cayuga County, New York zip codes.