Ionia, MO has a population of 105 and is the 26,776th largest city in the United States. The population density is 709 per sq mi which is 721% higher than the Missouri average and 683% higher than the national average. The median age in Ionia is 45 which is approximately 16% higher than the Missouri average of 38. In Ionia, 67% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 67% of Ionia residents were born in Missouri, 28% were born out of state, 6% were born outside of the United States and 0% were foreign born.
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The population density in Ionia is 721% higher than Missouri.
The median age in Ionia is 16% higher than Missouri.
In Ionia 100.00% of the population is White.
In Ionia 0.00% of the population is Black or African American.