Frankfort is a city located in Kansas. With a 2020 population of 693, it is the 242nd largest city in Kansas and the 11935th largest city in the United States. Frankfort is currently declining at a rate of -0.14% annually and its population has decreased by -4.55% since the most recent census, which recorded a population of 726 in 2010. Frankfort reached it's highest population of 725 in 2010. Spanning over 1 miles, Frankfort has a population density of 688 people per square mile.
The average household income in Frankfort is $54,700 with a poverty rate of 9.76%. The median rental costs in recent years comes to $584 per month, and the median house value is $70,200. The median age in Frankfort is 49.4 years, 43.5 years for males, and 54.6 years for females. For every 100 females there are 116.1 males.