Osborne is a city located in Osborne County Kansas. It is also the county seat of Osborne County. With a 2020 population of 1,244, it is the 165th largest city in Kansas and the 9440th largest city in the United States . Osborne is currently declining at a rate of -1.11% annually and its population has decreased by -13.07% since the most recent census, which recorded a population of 1,431 in 2010. Osborne reached it's highest population of 1,432 in 2010. Spanning over 2 miles, Osborne has a population density of 807 people per square mile.
The average household income in Osborne is $61,329 with a poverty rate of 17.95%. The median rental costs in recent years comes to $556 per month, and the median house value is $66,900. The median age in Osborne is 37.1 years, 34.5 years for males, and 44.9 years for females.