Colby, Kansas

Colby, Kansas
Colby, Kansas
City and County seat
	Thomas County Courthouse (2014)
	Location within Thomas County and Kansas
	KDOT map of Thomas County (legend)
	Coordinates: 39°23′05″N 101°02′43″W / 39.38472°N 101.04528°W
Country	United States
State	Kansas
County	Thomas
Founded	1885
Incorporated	1886
Named for	J.R. Colby
Area
• Total	3.58 sq mi (9.27 km2)
• Land	3.58 sq mi (9.27 km2)
• Water	0.00 sq mi (0.00 km2)
Elevation	3,166 ft (965 m)
Population (2020)
• Total	5,570
• Density	1,600/sq mi (600/km2)
Time zone	UTC-6 (CST)
• Summer (DST)	UTC-5 (CDT)
ZIP code	67701
Area code	785
FIPS code	20-14650
GNIS ID	485557
Website	cityofcolby.com

Colby is a city in and the county seat of Thomas County, Kansas, United States.^[1] As of the 2020 census, the population of the city was 5,570.^[3]^[4]

^ ^a ^b ^c ^d U.S. Geological Survey Geographic Names Information System: Colby, Kansas
^ "2019 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 24, 2020.
^ ^a ^b "Profile of Colby, Kansas in 2020". United States Census Bureau. Archived from the original on December 8, 2021. Retrieved December 8, 2021.
^ ^a ^b "QuickFacts; Colby, Kansas; Population, Census, 2020 & 2010". United States Census Bureau. Archived from the original on August 28, 2021. Retrieved August 28, 2021.