Argonia is a city located in Sumner County Kansas. With a 2020 population of 461, it is the 292nd largest city in Kansas and the 13664th largest city in the United States . Argonia is currently declining at a rate of -1.07% annually and its population has decreased by -7.98% since the most recent census, which recorded a population of 501 in 2010. Argonia reached it's highest population of 509 in 2010. Spanning over 1 miles, Argonia has a population density of 656 people per square mile.
The average household income in Argonia is $57,933 with a poverty rate of 6.33%. The median rental costs in recent years comes to $618 per month, and the median house value is $83,800. The median age in Argonia is 28.5 years, 35.5 years for males, and 24.7 years for females.