Tompkins County, New York
Tompkins County: county in New York, United States
About
Tompkins County is a county located in the U.S. state of New York. As of the 2010 census, the population was 101,564 and a population density of 80 people per km². After 10 years in 2020 county had an estimated population of 101,058 inhabitants. Its county seat is Ithaca. The county was created 209 years ago in 1816.
County Snapshot
Tompkins County at a glance
Tompkins County currently has 12 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
12
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
New York counties
61
Open related pagesLargest city
IthacaPopulation 30,981
Top linked places
Quick Facts about Tompkins County
| Population | 101,058 (2020) |
| Country | United States of America |
| State | New York (United States) |
| Different from | Tompkins |
| Twitter username | tompkinstoday |
| Area | 1273 km2 |
| Water as percent of area | 3.4% |
| Land as percent of area | 96.6% |
| Latitude & Longitude | 42.4520,-76.4737 |
| Named for | Daniel D. Tompkins |
| Altitude | 837 feet / 255 meters |
| Capital | Ithaca |
| Establishment | January 01, 1817 |
| Time Zone | America/New_York |
| Local time | 04:55:30 (15th April 2026) |
| Density | 79 Pop. per km² as of 2020 |
| Population growth | -0.5% (2010-2020) |
| Weather | 59℉ Mostly Cloudy 7-days weather |
Geography
Tompkins County is located at 42°27'7"N 76°28'25"W (42.4520200, -76.4736600). It has 5 neighbors: Cayuga County, Chemung County, Cortland County, Schuyler County and Seneca County.
Tompkins County map
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The largest city of Tompkins County is Ithaca with a population of 30,981. Other cities include, Dryden population 13,904, Lansing population 11,767, Newfield population 4,922 and Cayuga Heights population 3,526. See all Tompkins County cities & populated places.
Tompkins County Populated Places
Cities, towns, neighborhoods & other populated places in Tompkins County.
| City Name | Population | Title |
|---|---|---|
| Ithaca | 30,981 | City in New York, USA |
| Dryden | 13,904 | Town in New York, United States |
| Lansing | 11,767 | Human settlement in Tompkins County, New York, United States of America |
| Newfield | 4,922 | Town in southern upstate New York |
| Cayuga Heights | 3,526 | Village in Tompkins County, New York, United States of America |
| Enfield | 3,297 | Town in Tompkins County, New York, United States |
| Danby | 3,286 | Human settlement in Tompkins County, New York, United States of America |
| Caroline | 3,207 | Town in Tompkins County, New York, USA |
| East Ithaca | 2,231 | Census-designated place in Tompkins County, New York |
| Groton | 2,156 | Town in Tompkins County, New York, United States |
| Trumansburg | 1,669 | City in Tompkins County, New York, United States of America |
| Freeville | 478 | Village in the United States |
Weather
Mostly cloudy, with a low around 59. Southeast wind around 2 mph. New rainfall amounts less than a tenth of an inch possible.
7-Day ForecastDemographics
According to census records, the population of Tompkins County decreased by 0.5% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 101,564 | - | census |
| 2011 | 101,821 | 0.25% | estimation process |
| 2012 | 102,726 | 0.88% | estimation process |
| 2013 | 103,553 | 0.8% | estimation process |
| 2014 | 103,391 | -0.16% | estimation process |
| 2015 | 103,006 | -0.37% | estimation process |
| 2016 | 102,942 | -0.06% | estimation process |
| 2017 | 102,664 | -0.27% | estimation process |
| 2018 | 102,419 | -0.24% | estimation process |
| 2019 | 102,180 | -0.23% | estimation process |
| 2020 | 101,058 | -1.11% | estimation process |
People born in Tompkins County (5)
People born in Tompkins County, including chemist Charles A. Joy, inventor in film development Hannibal Goodwin, businessman Rufus T. Bush, .
More notable people
- Linus M. Nickerson he was born in 22/06/1823
- Ruth Hardy (American politician) she was born in 01/01/1970
New York Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| New York City | 8,398,748 | The most populous city in the United States and the center of the New York metropolitan area. |
| Brooklyn | 2,577,000 | A borough of New York City. |
| Queens | 2,339,150 | The most populous borough of New York City. |
| Queens County | 2,225,821 | County in New York, United States |
| Manhattan | 1,644,518 | The most densely populated borough of New York City. |
| New York County | 1,611,989 | County in New York state, United States of America |
| Suffolk County | 1,474,273 | County in New York, United States |
| The Bronx | 1,455,720 | The fourth most populous borough of New York City. |
| Bronx County | 1,401,142 | Borough of New York City, United States |
| Nassau County | 1,351,334 | County in New York, United States |
| Westchester County | 965,802 | County in New York, United States. |
| Erie County | 917,241 | County in New York, United States |
| Hempstead | 764,055 | Located in Nassau County, New York, this hamlet and village is a major commercial and transportation hub. |
| Monroe County | 740,900 | County in Florida, United States |
| Brookhaven | 479,883 | This town in Suffolk County, New York, is the most populous in the state. |
| Richmond County | 475,327 | County in Georgia, United States |