May we count your visit with Google Analytics? It uses cookies and sends visit data to Google. You can change this any time under Cookie choices. Privacy

Where am ILOCATED

Tompkins County, New York

Tompkins County, New York, has 104,047 residents (July 2025 estimate). Its county seat is Ithaca. It uses Eastern Time and covers 475 sq mi (1,229 km²) of land.

New YorkBuffaloYonkers
Tompkins County in New York
Cortland CountyIthacaSouth HillCayuga HeightsLansing
Tompkins County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
104,047
Land area
475 sq mi (1,229 km²)
County seat or government
Ithaca
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$74,024 ± $4,332
Median home value
$290,900 ± $12,898
Median rent, with utilities
$1,411 ± $42
Homes lived in by their owners
54.1% ± 1.3 points
County type
County
Metro or micro area
Ithaca, NY metro areaCentral county
Water area
16.9 sq mi (43.8 km²)
State
New York
County code (FIPS)
36109
Coordinates (central point)
42.453006, -76.473483
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Tompkins County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 1485068,610 people
  2. 1304528,361 people
  3. 148866,652 people
  4. 130736,054 people
  5. 148675,149 people
  6. 130534,794 people
  7. 130684,592 people
  8. 148824,191 people
  9. 148834,184 people
  10. 130922,689 people
  11. 148172,479 people
  12. 148532,405 people
All 18
  1. 137361,936 people
  2. 138641,099 people
  3. 13062195 people
  4. 14881117 people
  5. 1485476 people
  6. 1310236 people

18 ZIP Code areas overlap Tompkins County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns in Tompkins County, largest first

  1. Town of Ithaca20,968 people
  2. Town of Dryden13,604 people
  3. Town of Lansing11,789 people
  4. Town of Groton5,612 people
  5. Town of Newfield4,992 people
  6. Town of Ulysses4,809 people
  7. Town of Danby3,359 people
  8. Town of Enfield3,310 people
  9. Town of Caroline3,280 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns in New York, by county

School districts in Tompkins County, largest first

  1. Ithaca City School District70,303 people
  2. Cortland City School District22,477 people
  3. Dryden Central School District12,844 people
  4. Homer Central School District12,126 people
  5. Lansing Central School District7,653 people
  6. Newark Valley Central School District7,417 people
  7. Trumansburg Central School District7,275 people
  8. Southern Cayuga Central School District6,072 people
  9. Spencer-Van Etten Central School District5,868 people
  10. Odessa-Montour Central School District5,527 people
  11. Groton Central School District5,167 people
  12. Newfield Central School District5,082 people
All 13
  1. Candor Central School District4,967 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Ithaca, New York (city)32,814 people
  2. South Hill, New York (CDP)6,951 people
  3. Cayuga Heights, New York (village)4,000 people
  4. Lansing, New York (village)3,876 people
  5. Northeast Ithaca, New York (CDP)2,661 people
  6. Northwest Ithaca, New York (CDP)2,225 people
  7. East Ithaca, New York (CDP)1,918 people
  8. Groton, New York (village)1,834 people
  9. Dryden, New York (village)1,671 people
  10. Trumansburg, New York (village)1,665 people
  11. South Lansing, New York (CDP)1,496 people
  12. Forest Home, New York (CDP)1,303 people
All 21
  1. Newfield, New York (CDP)999 people
  2. Varna, New York (CDP)687 people
  3. Jacksonville, New York (CDP)592 people
  4. Danby, New York (CDP)540 people
  5. Freeville, New York (village)458 people
  6. McLean, New York (CDP)410 people
  7. Brooktondale, New York (CDP)327 people
  8. Slaterville Springs, New York (CDP)130 people
  9. West Danby, New York (CDP)75 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Tioga County, New York21 mi southeast
  2. Cortland County, New York22 mi northeast
  3. Schuyler County, New York24 mi west
  4. Chemung County, New York25 mi southwest
  5. Seneca County, New York29 mi northwest
  6. Cayuga County, New York39 mi north

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 where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.