Seneca County, New York
Seneca County is a county in New York. Its county FIPS code is 36099. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 36099
- Representative coordinates
- 42.782294, -76.827088
- County type
- County
- County seat or government
- Waterloo
- Resident population, July 2025
- 32,883
- Land area
- 838.378 km²
- Water area
- 172.814 km²
- State
- New York
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Seneca County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
13065 · 13146 · 13148 · 13165 · 14433 · 14456 · 14489 · 14521 · 14532 · 14541 · 14588 · 14841 · 14847 · 14860 · 14886
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Seneca County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
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