Onondaga County, New York

Onondaga County
Onondaga County Courthouse at Columbus Circle in Syracuse
Onondaga County Courthouse at Columbus Circle in Syracuse
Flag of Onondaga County
Official seal of Onondaga County
Map of New York highlighting Onondaga County
Location within the U.S. state of New York
Map of the United States highlighting New York
New York's location within the U.S.
Coordinates: 43°01′N 76°12′W / 43.01°N 76.2°W / 43.01; -76.2
Country United States
State New York
Founded1794
Named forOnondaga people
SeatSyracuse
Largest citySyracuse
Government
 • County ExecutiveJ. Ryan McMahon II (R)
Area
 • Total806 sq mi (2,090 km2)
 • Land778 sq mi (2,020 km2)
 • Water27 sq mi (70 km2)  3.4%
Population
 (2020)
 • Total476,516
 • Density600/sq mi (200/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district22nd
Websiteongov.net

Onondaga County (/ˌɒnənˈdɑːɡə/ ON-ən-DAH-gə) is a county in the U.S. state of New York. As of the 2020 census, the population was 476,516.[1] The county seat is Syracuse.[2] The county is part of the Central New York region of the state.

Onondaga County is the core of the Syracuse, NY MSA.

  1. ^ "US Census Bureau QuickFacts". Retrieved August 29, 2021.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.

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