Walnut is a city located in Crawford County Kansas. Walnut has a 2020 population of 414. Walnut is currently declining at a rate of -0.48% annually and its population has decreased by -4.83% since the most recent census, which recorded a population of 435 in 2010. Walnut reached it's highest population of 435 in 2010.
The average household income in Walnut is $92,258 with a poverty rate of 7.17%. The median rental costs in recent years comes to - per month, and the median house value is $170,600. The median age in Walnut is 60.9 years, 65.2 years for males, and 59.1 years for females.