Seneca County, NY ZIP codes
There are 8 ZIP codes in Seneca County, NY, in 8 towns, from 13065 to 14860. The largest are 13148 (Seneca Falls), 13165 (Waterloo) and 14521 (Ovid). 1 more crosses into it from a neighbouring county: 14456.
The county seat is Waterloo.
- ZIP codes
- 8
- Partly in it
- 1 more
- Towns
- 8
- County seat
- Waterloo
- County FIPS
36099- State
- New York
- Population
- 32,920
- Median household income
- $68,089
- Land area
- 324 sq mi
- Metro area
- Seneca Falls
Seneca County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Seneca County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Seneca County.
- 14456 Geneva · mostly in Ontario County
Map of Seneca County ZIP codes
The ZIP codes of Seneca County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Seneca County in numbers
About 32,920 people live in Seneca County, in 13,606 households, the 57th most populous of New York's 62 counties. The median household income is $68,089 a year, 21% below the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $155,400 (63% below the New York median), and median gross rent is $957 a month. The median age is 43.0; 25.2% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 21 minutes.
| Population | 32,920 |
|---|---|
| Households | 13,606 |
| Median age | 43.0 |
| Median household income | $68,089 |
| Median home value | $155,400 |
| Median gross rent | $957 |
| Bachelor's degree or higher | 25.2% |
| Mean commute | 21.3 min |
| Population density | 102 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Seneca County
| Town | ZIP codes | Population |
|---|---|---|
| Seneca Falls | 1 | 6,956 |
| Waterloo | 1 | 4,605 |
| Interlaken | 1 | 493 |
| Ovid | 1 | 402 |
| Lodi | 1 | 307 |
| Romulus | 1 | 265 |
| Willard | 1 | 240 |
| Fayette | 1 | 80 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Seneca County.
Not sure you are in Seneca County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Seneca County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
13065 | Fayette , NY | Standard | 80 | — | — |
13148 | Seneca Falls , NY | Standard | 10,749 | $65,313 | $149,300 |
13165 | Waterloo , NY | Standard | 9,458 | $59,981 | $121,600 |
14521 | Ovid , NY | Standard | 2,594 | $67,198 | $163,700 |
14541 | Romulus , NY | Standard | 3,713 | $77,375 | $232,200 |
14588 | Willard , NY | Standard | 240 | — | — |
14847 | Interlaken , NY | Standard | 2,300 | $73,594 | $186,100 |
14860 | Lodi , NY | Standard | 1,197 | $78,170 | $165,500 |
Cite this page
zipcodes.pro. “Seneca County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ny/county/seneca
Underlying data is public domain or openly licensed — sources, vintages and licences.