Onondaga County, New York
Onondaga County: County in New York, United States
About
Onondaga County is a county located in the U.S. state of New York. As of the 2010 census, the population was 467,026 and a population density of 224 people per km². After 10 years in 2020 county had an estimated population of 459,214 inhabitants. Its county seat is Syracuse. The county was created 233 years ago in 1791.
Quick Facts about Onondaga County
| Population : | 459,214 (2020) |
| Country : | United States of America |
| State : | New York (United States) |
| Twitter username : | onondagacounty |
| Area : | 2087 km2 |
| Official name : | Onondaga County |
| Water as percent of area : | 3.4% |
| Land as percent of area : | 96.6% |
| Named for : | Onondaga people |
| Altitude : | 781 feet / 238 meters |
| Capital : | Syracuse |
| Establishment : | January 01, 1792 |
| Time Zone : | UTC−05:00, UTC−04:00 |
| Local time : | 12:50:08 (22nd February 2025) |
| Density : | 220 Pop. per km² as of 2020 |
| Population growth : | -1.7% (2010-2020) |
Geography
Onondaga County is located at 43°0'21"N 76°11'41"W (43.0058000, -76.1946400). It has 4 neighbors: Cayuga County, Cortland County, Madison County and Oswego County.
Onondaga County map
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The largest city of Onondaga County is Syracuse with a population of 141,229. Other cities include, Lysander population 22,919, LaFayette population 4,794, Brewerton population 4,029 and Village Green population 3,891. See all Onondaga County cities & populated places.
Onondaga County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Onondaga County.
| City Name | Population | Title |
|---|---|---|
| Syracuse | 141,229 | The fifth most populous city in New York. |
| Clay | 54,375 | Town of the United States |
| Manlius | 31,593 | Village in Bureau County, Illinois, United States |
| Cicero | 28,826 | Town in Onondaga County, New York, USA |
| De Witt | 24,962 | Town in Onondaga County, New York, USA |
| Lysander | 22,919 | City in Onondaga County, New York, United States of America |
| Van Buren | 13,332 | Town in New York, United States |
| Fairmount | 10,224 | Town in Indiana, United States |
| Baldwinsville | 7,791 | Village in Onondaga County, New York |
| Pompey | 7,285 | Town in Onondaga County, New York, United States |
| North Syracuse | 6,595 | Village in New York, USA |
| Mattydale | 6,446 | Census-designated place in Onondaga County, New York |
| Solvay | 6,256 | Village located in Onondaga County, New York, United States of America |
| Marcellus | 6,020 | Town in Onondaga County, New York, United States |
| Elbridge | 5,691 | Town in Onondaga County, New York, United States |
| Westvale | 4,963 | Census designated place |
- Official Website
Official website of Onondaga County
Onondaga County has 4 neighbours.
- Cayuga County county in New York, United States
- Cortland County county in New York, United States
- Madison County county in New York, United States
- Oswego County county in New York, United States
Demographics
According to census records, the population of Onondaga County decreased by 1.7% in 10 years.
| Year | Population | % Change | Method |
| 2009 | 454,753 | - | census |
| 2010 | 467,026 | 2.63% | census |
| 2011 | 467,614 | 0.13% | estimation process |
| 2012 | 467,030 | -0.13% | estimation process |
| 2013 | 468,146 | 0.24% | estimation process |
| 2014 | 467,285 | -0.18% | estimation process |
| 2015 | 466,277 | -0.22% | estimation process |
| 2016 | 464,109 | -0.47% | estimation process |
| 2017 | 461,795 | -0.5% | estimation process |
| 2018 | 461,649 | -0.03% | estimation process |
| 2019 | 460,528 | -0.24% | estimation process |
| 2020 | 459,214 | -0.29% | estimation process |
People born in Onondaga County (16)
People born in Onondaga County, including politician Dennis McCarthy, Virginia Loney, politician Thomas Gold Alvord, .
List
- Charles D. Robinson (American politician & businessman) he was born in 01/01/1822
- Guglielmo Tabacchi (Italian entrepreneur) he was born in 01/01/1900
- Arthur N. Dare (American politician) he was born in 25/05/1850
- J. C. Fargo (American businessman) he was born in 05/05/1829
- James Caleb Jackson (American inventor) he was born in 28/03/1811
- John G. Nichols (American politician) he was born in 29/12/1813
- Josiah Lamberson Parrish (American pioneer) he was born in 14/01/1806
- Pardee Butler (American activist) he was born in 09/03/1816
- James L. Carey (Medal of Honor recipient) he was born in 24/12/1839
- C. T. Terry (American politician) he was born in 26/02/1835
- Miles Thompson (American lacrosse player) he was born in 08/12/1990
- Cordelia Young Willard (American missionary) she was born in 30/08/1822
- Daniel S. Bacon
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 | Town in Nassau County, New York |
| Monroe County | 740,900 | County in Florida, United States |
| Brookhaven | 479,883 | Town in Suffolk County, New York, United States |
| Richmond County | 475,327 | County in Georgia, United States |
