Map of Onondaga County Map, New York

Written and Fact-checked by | Updated On: September 17, 2025, 14:10 ET

Map of Onondaga County - Onondaga County is a county located in the U.S. state of New York. Onondaga County Map showing cities, highways, important places and water bodies. Get Where is Onondaga County located in the map, major cities in Onondaga county, population, areas, and places of interest.

Map of Onondaga County, New York

Map of Onondaga County, New York

About Onondaga County Map, New York: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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About Onondaga County, New York

Onondaga County is a county located in the U.S. state of New York. It's county seat is Syracuse. As per 2020 census, the population of Onondaga County is 473236 people and population density is 587.14 square miles. According to the United States Census Bureau, the county has a total area of 806 sq mi (2,088 km2). Onondaga County was established on 1792.

Facts about Onondaga County, New York

CountryUnited States
StateNew York
RegionCentral New York / Mohawk Valley area
County SeatSyracuse
Founded1794
Named ForOnondaga people (Iroquois Confederacy tribe)
Coordinates~43.05° N, 75.99° W
Total Area~806 sq mi
Land Area~778 sq mi
Water Area~27 sq mi
Water %~3.4%
Population (2020)~476,516
Estimated Population (2024)~467,873
Population Density~600/sq mi
Largest CitySyracuse
Other Towns & CommunitiesClay, Cicero, Manlius, Salina, DeWitt, Lysander, Baldwinsville, Skaneateles, Tully, Spafford
Main IndustriesServices, Education, Healthcare, Manufacturing, Retail
Major HighwaysI‑81, I‑90 (NYS Thruway), NY‑5, NY‑11, NY‑31
Time ZoneEastern Time (UTC−05:00)
Known ForSyracuse University, Onondaga Lake, Erie Canal heritage, Finger Lakes proximity
Websitehttps://www.ongov.net/

Top Attractions in Onondaga County, New York

  • Destiny USA – Large shopping and entertainment complex.
  • Onondaga Lake Park – Waterfront trails and recreation.
  • Erie Canal Museum – Canal history exhibits.
  • Rosamond Gifford Zoo – Wildlife exhibits and conservation.
  • Everson Museum of Art – Modern and contemporary art.
  • Clinton Square – Downtown events and gatherings.
  • Green Lakes State Park – Unique glacial lakes.
  • Salt Museum – Syracuse salt industry history.
  • Burnet Park Zoo (historic) – Former zoo park area.
  • Carrier Dome (JMA Wireless Dome) – Sports and events venue.
  • Skä•noñh–Great Law of Peace Center – Haudenosaunee culture center.
  • Oakwood Cemetery – Historic burial ground.

Cities & Towns in Onondaga County, New York

Syracuse, Camillus, Dewitt, Manlius, Salina, Cicero, Lysander, Geddes, Onondaga, Fabius, Tully, Spafford, Skaneateles, Marcellus, Otisco, LaFayette, Jordan, Elbridge, Baldwinsville, Clay