Delphos is a city located in Kansas. With a 2020 population of 326, it is the 342nd largest city in Kansas and the 15035th largest city in the United States. Delphos is currently declining at a rate of -1.51% annually and its population has decreased by -9.19% since the most recent census, which recorded a population of 359 in 2010. Delphos reached it's highest population of 361 in 2010. Spanning over 1 miles, Delphos has a population density of 550 people per square mile.
The average household income in Delphos is $51,003 with a poverty rate of 14.78%. The median rental costs in recent years comes to $644 per month, and the median house value is $49,600. The median age in Delphos is 46.7 years, 38.5 years for males, and 48 years for females. For every 100 females there are 105.1 males.