Tompkins County, New York
Tompkins County is a county in New York. Its county FIPS code is 36109. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 36109
- Representative coordinates
- 42.453006, -76.473483
- County type
- County
- County seat or government
- Ithaca
- Resident population, July 2025
- 104,047
- Land area
- 1,229.337 km²
- Water area
- 43.766 km²
- State
- New York
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Tompkins 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
13045 · 13053 · 13062 · 13068 · 13073 · 13092 · 13102 · 13736 · 13864 · 14817 · 14850 · 14853 · 14854 · 14867 · 14881 · 14882 · 14883 · 14886
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. 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.
- Brooktondale CDP, NY
- Cayuga Heights village, NY
- Danby CDP, NY
- Dryden village, NY
- East Ithaca CDP, NY
- Forest Home CDP, NY
- Freeville village, NY
- Groton village, NY
- Ithaca city, NY
- Jacksonville CDP, NY
- Lansing village, NY
- McLean CDP, NY
- Newfield CDP, NY
- Northeast Ithaca CDP, NY
- Northwest Ithaca CDP, NY
- Slaterville Springs CDP, NY
- South Hill CDP, NY
- South Lansing CDP, NY
- Trumansburg village, NY
- Varna CDP, NY
- West Danby CDP, NY
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.