County · GEOID 36109
Tompkins County, NY ZIP codes
18 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Tompkins County (GEOID 36109). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 142,595 (18 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
Tompkins County, NY ZIP code map

ZIP/ZCTA overlap with Tompkins County
Population overlap
Share of each ZIP/ZCTA’s population located within Tompkins County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 130451.9%
- 1305389.3%
Directory county
- 13062100.0%
Directory county
- 13068100.0%
Directory county
- 1307398.7%
Directory county
- 1309210.6%
- 13102100.0%
Directory county
- 1373612.9%
- 1386427.9%
- 1481797.0%
Directory county
- 14850100.0%
Directory county
- 14853100.0%
Directory county
- 14854100.0%
Directory county
- 1486799.7%
Directory county
- 14881100.0%
Directory county
- 14882100.0%
Directory county
- 1488324.0%
- 1488664.5%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Tompkins County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 13045 | Cortland | Cortland County | 28,388 | $67,028 |
| 13053 | Dryden | Tompkins County | 4,756 | $71,950 |
| 13062 | Etna | Tompkins County | 241 | — |
| 13068 | Freeville | Tompkins County | 4,464 | $79,521 |
| 13073 | Groton | Tompkins County | 6,246 | $71,316 |
| 13092 | Locke | Cayuga County | 2,707 | $64,453 |
| 13102 | Mc Lean | Tompkins County | 67 | — |
| 13736 | Berkshire | Tioga County | 1,887 | $64,934 |
| 13864 | Willseyville | Tioga County | 1,421 | $53,015 |
| 14817 | Brooktondale | Tompkins County | 2,811 | $86,063 |
| 14850 | Ithaca | Tompkins County | 66,495 | $69,689 |
| 14853 | Ithaca | Tompkins County | 2,294 | — |
| 14854 | Jacksonville | Tompkins County | 99 | — |
| 14867 | Newfield | Tompkins County | 5,188 | $67,644 |
| 14881 | Slaterville Springs | Tompkins County | 159 | $82,321 |
| 14882 | Lansing | Tompkins County | 4,193 | $94,886 |
| 14883 | Spencer | Tioga County | 4,525 | $62,431 |
| 14886 | Trumansburg | Tompkins County | 6,654 | $80,446 |
USPS associates these ZIPs with Tompkins County
These codes list Tompkins County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 14851 | Ithaca | Tompkins County | 488 | — |
| 14852 | Ithaca | Tompkins County | 397 | — |