County ZIP codes · New York · FIPS 36011
Cayuga County, NY ZIP Codes
Cayuga County, New York has 26 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 24 residential and 2 for PO boxes or a single organization. 17 of the residential ones lie mainly in Cayuga County and 7 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $60,712 in 13021 (Auburn) to $104,211 in 13152 (Skaneateles) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Cayuga County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $69,961 and $93,092.
They carry 23 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 24 residential ZIP codes in Cayuga County
17 ZIP codes lie mainly in Cayuga County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 13021 | Auburn | 37,247 | 313 | $61k | $181k | 100% |
| 13166 | Weedsport | 5,622 | 138 | $78k | $160k | 98% |
| 13118 | Moravia | 5,591 | 54 | $68k | $168k | 100% |
| 13140 | Port Byron | 3,959 | 75 | $62k | $114k | 100% |
| 13033 | Cato | 3,732 | 61 | $93k | $172k | 100% |
| 13092 | Locke | 2,689 | 54 | $78k | $193k | 91% |
| 13160 | Union Springs | 2,444 | 108 | $86k | $186k | 100% |
| 13156 | Sterling | 2,156 | 73 | $64k | $163k | 99% |
| 13034 | Cayuga | 2,029 | 83 | $104k | $176k | 100% |
| 13026 | Aurora | 1,619 | 62 | $96k | $206k | 100% |
| 13111 | Martville | 1,463 | 53 | $59k | $107k | 82% |
| 13147 | Scipio Center | 1,236 | 35 | $75k | $156k | 100% |
| 13024 | Auburn | 1,230 | 29,286 | – | – | 100% |
| 13081 | King Ferry | 1,122 | 39 | $94k | $281k | 100% |
| 13071 | Genoa | 796 | 33 | $86k | $184k | 100% |
| 13117 | Montezuma | 132 | 137 | $63k | $165k | 100% |
| 13113 | Meridian | 56 | 1,600 | $35k | $113k | 100% |
Partly in Cayuga County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 13143 | Red Creek | 2,504 | 56 | $62k | $116k | 45% |
| 13080 | Jordan | 3,313 | 118 | $84k | $167k | 37% |
| 13152 | Skaneateles | 7,681 | 121 | $104k | $462k | 14% |
| 13045 | Cortland | 28,361 | 263 | $70k | $168k | 9% |
| 13074 | Hannibal | 4,496 | 106 | $82k | $144k | 5% |
| 13077 | Homer | 6,405 | 93 | $72k | $171k | 2% |
| 13073 | Groton | 6,054 | 110 | $72k | $168k | 2% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
11 ZIP codes of Cayuga County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Cayuga | Elsewhere |
|---|---|---|
| 13045 | 9% | Cortland County85%; Tompkins County6% |
| 13152 | 14% | Onondaga County86% |
| 13077 | 2% | Cortland County84%; Onondaga County14% |
| 13073 | 2% | Tompkins County98% |
| 13166 | 98% | Onondaga County2% |
| 13074 | 5% | Oswego County95% |
| 13080 | 37% | Onondaga County63% |
| 13092 | 91% | Tompkins County9% |
| 13143 | 45% | Wayne County55% |
| 13156 | 99% | |
| 13111 | 82% | Oswego County18% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 13022 | Auburn |
| 13139 | Poplar Ridge |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Cayuga County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Cayuga County's ZIP codes use 2 prefixes: 130 and 131.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.