Columbia County, New York

Columbia County, New York
First Columbia County Courthouse in Claverack
Location within the U.S. state of New York
Coordinates: 42°15′N 73°38′W / 42.25°N 73.63°W / 42.25; -73.63
Country United States
State New York
FoundedApril 4, 1786 (1786-04-04)
Named afterColumbia
SeatHudson
Largest cityKinderhook
Area
 • Total
648 sq mi (1,680 km2)
 • Land635 sq mi (1,640 km2)
 • Water14 sq mi (36 km2)  2.1%
Population
 (2020)
 • Total
61,570
 • Density97.0/sq mi (37.4/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district19th
Websitewww.columbiacountyny.com

Columbia County is a county in the U.S. state of New York. At the 2020 census, the population was 61,570. The county seat is Hudson. The name comes from the Latin feminine form of the surname of Christopher Columbus, which was at the time of the formation of the county a popular proposal for the name of the United States. The county is part of the Capital District region of the state.