Sublette is a city located in Haskell County Kansas. It is also the county seat of Haskell County. With a 2020 population of 1,321, it is the 155th largest city in Kansas and the 9188th largest city in the United States . Sublette is currently declining at a rate of -0.68% annually and its population has decreased by -9.08% since the most recent census, which recorded a population of 1,453 in 2010. Sublette reached it's highest population of 1,456 in 2010. Spanning over 1 miles, Sublette has a population density of 1,258 people per square mile.
The average household income in Sublette is $69,833 with a poverty rate of 11.84%. The median rental costs in recent years comes to $631 per month, and the median house value is $102,600. The median age in Sublette is 38.9 years, 38.5 years for males, and 39.8 years for females.