Portland, MI ZIP Codes, Coordinates & Counties
Portland, Michigan has 1 ZIP code in Ionia county. The approximate center of Portland is 42.859, -84.93. Portland has about 140,777 known street addresses.
ZIP codes in Portland, MI
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 48875 | Ionia | 42.859 | -84.93 |
Counties Portland spans
Ionia
Most common streets in Portland
Clintonia, Portland, Lyons, State, Morris, Charlotte, Knox, York, Barnes, Jones
Frequently asked questions
What ZIP codes are in Portland, MI?
Portland, Michigan has 1 ZIP code, ranging from 48875 to 48875. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Portland, MI in?
Portland is in Ionia county.
What are the latitude and longitude of Portland, MI?
The approximate center of Portland, Michigan is latitude 42.859, longitude -84.93. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Portland, MI have?
Portland has 1 ZIP code.
How many addresses are in Portland, MI?
Portland, Michigan has about 140,777 known street addresses in the sthan.io US address database.
What are the most common streets in Portland, MI?
Some of the most common street names in Portland are Clintonia, Portland, Lyons, State, Morris, Charlotte.
What cities are near Portland, MI?
Cities near Portland include Sunfield (6 mi), Lyons (7 mi), Eagle (9 mi), Mulliken (9 mi), Westphalia (9 mi).
Cities near Portland
Sunfield, MI (6 mi) Lyons, MI (7 mi) Eagle, MI (9 mi) Mulliken, MI (9 mi) Westphalia, MI (9 mi) Pewamo, MI (10 mi) Ionia, MI (11 mi) Lake Odessa, MI (11 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database