Unemployment Rate in Ionia County, MI was 3.90% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Ionia County, MI reached a record high of 24.00 in April of 2020 and a record low of 2.50 in November of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Ionia County, MI - last updated from the United States Federal Reserve on May of 2024.