Explore the most up-to-date Ionia County zip code map, highlighting neighborhoods, boundaries, and key locations. With a total of 21 zip codes, Ionia County is home to 66,663 residents. The county has a median home value of $169,600 and a median household income of $71,720. Below, you’ll find additional key statistics that offer a snapshot of the area.
There are a total of 21 zip codes in Ionia County. Use the interactive map above to view the boundaries for each one.
Complete list of ZIP codes in the area: 48809, 48815, 48834, 48837, 48838, 48845, 48846, 48849, 48851, 48860, 48861, 48865, 48870, 48873, 48875, 48881, 48890, 48894, 49302, 49325, 49331.