Ionia is located in Pettis County, MO. The population is 144, making Ionia the 8th largest city in Pettis County.
There are 0 public schools in Ionia with an average Homefacts rating of NA. The total crime rate for Ionia is moderate , and there are 2 registered sex offenders residing in the city. Unemployment in Ionia is moderate and the median home sales price is $0. Detailed and up-to-date Ionia property reports are available for any property address.
Cities near Ionia include Washington Township, White Township and Cole Camp.