Ionia, IA ZIP Codes, Coordinates & Counties
Ionia, Iowa has 1 ZIP code in Chickasaw county. The approximate center of Ionia is 43.02, -92.451. Ionia has about 13,370 known street addresses.
ZIP codes in Ionia, IA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 50645 | Chickasaw | 43.02 | -92.451 |
Counties Ionia spans
Chickasaw
Most common streets in Ionia
Union, Cheyenne, Hickory, Exeter, Durham, 240th, Center, Iowa, 180th, 200th
Frequently asked questions
What ZIP codes are in Ionia, IA?
Ionia, Iowa has 1 ZIP code, ranging from 50645 to 50645. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Ionia, IA in?
Ionia is in Chickasaw county.
What are the latitude and longitude of Ionia, IA?
The approximate center of Ionia, Iowa is latitude 43.02, longitude -92.451. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Ionia, IA have?
Ionia has 1 ZIP code.
How many addresses are in Ionia, IA?
Ionia, Iowa has about 13,370 known street addresses in the sthan.io US address database.
What are the most common streets in Ionia, IA?
Some of the most common street names in Ionia are Union, Cheyenne, Hickory, Exeter, Durham, 240th.
What cities are near Ionia, IA?
Cities near Ionia include Nashua (6 mi), New Hampton (8 mi), Plainfield (11 mi), Charles City (11 mi), Alta Vista (12 mi).
Cities near Ionia
Nashua, IA (6 mi) New Hampton, IA (8 mi) Plainfield, IA (11 mi) Charles City, IA (11 mi) Alta Vista, IA (12 mi) Colwell, IA (12 mi) Fredericksburg, IA (13 mi) Lawler, IA (16 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database