Ionia is a city located in Chickasaw County, in the state of Iowa (IA), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 0.6 square miles (1.0 km²) and sits at an elevation of 1149 ft. With a population of approximately 277 residents, Ionia offers a peaceful, rural atmosphere.
The town's population is composed of about 52.71% males and 47.29% females, and it has a population density of 494.64 people per square mile (190.98/km²). Ionia lies at a latitude of 43.03 and a longitude of -92.46, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (0%), German (62.1%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 50645.