Springfield is a city located in Clark County Ohio. It is also the county seat of Clark County. With a 2020 population of 58,105, it is the 12th largest city in Ohio and the 671st largest city in the United States . Springfield is currently declining at a rate of -0.66% annually and its population has decreased by -4.13% since the most recent census, which recorded a population of 60,608 in 2010. Springfield reached it's highest population of 82,723 in 1960. Spanning over 26 miles, Springfield has a population density of 2,257 people per square mile.
The average household income in Springfield is $51,534 with a poverty rate of 23.14%. The median rental costs in recent years comes to $730 per month, and the median house value is $80,700. The median age in Springfield is 35.8 years, 34.5 years for males, and 37 years for females.