Ionia is a city located in Michigan. With a 2020 population of 10,944, it is the 83rd largest city in Michigan and the 2905th largest city in the United States. Ionia is currently declining at a rate of -0.04% annually and its population has decreased by -3.95% since the most recent census, which recorded a population of 11,394 in 2010. Ionia reached it's highest population of 11,354 in 2014. Spanning over 6 miles, Ionia has a population density of 2,022 people per square mile.
The average household income in Ionia is $54,040 with a poverty rate of 24.84%. The median rental costs in recent years comes to $808 per month, and the median house value is $94,300. The median age in Ionia is 35.9 years, 35.6 years for males, and 36.6 years for females. For every 100 females there are 197.2 males.