Mullinville is a city located in Kiowa County Kansas. With a 2020 population of 237, it is the 386th largest city in Kansas and the 16142nd largest city in the United States . Mullinville is currently declining at a rate of -0.84% annually and its population has decreased by -7.06% since the most recent census, which recorded a population of 255 in 2010. Mullinville reached it's highest population of 254 in 2010. Spanning over 1 miles, Mullinville has a population density of 369 people per square mile.
The average household income in Mullinville is $61,215 with a poverty rate of 4.35%. The median rental costs in recent years comes to $570 per month, and the median house value is $50,000. The median age in Mullinville is 40.8 years, 47 years for males, and 31.5 years for females.