Augusta is a city located in Butler County Kansas. With a 2020 population of 9,321, it is the 37th largest city in Kansas and the 3256th largest city in the United States . Augusta is currently declining at a rate of -0.13% annually but its population has increased by 0.51% since the most recent census, which recorded a population of 9,274 in 2010. Augusta reached it's highest population of 9,403 in 2010. Spanning over 5 miles, Augusta has a population density of 2,205 people per square mile.
The average household income in Augusta is $63,800 with a poverty rate of 11.69%. The median rental costs in recent years comes to $830 per month, and the median house value is $125,900. The median age in Augusta is 33.9 years, 30 years for males, and 37.5 years for females.