Johnston, IA ZIP Codes, Coordinates & Counties
Johnston, Iowa has 1 ZIP code in Polk county. The approximate center of Johnston is 41.693, -93.717. Johnston has about 110,026 known street addresses.
ZIP codes in Johnston, IA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 50131 | Polk | 41.693 | -93.717 |
Counties Johnston spans
Polk
Most common streets in Johnston
Beaver, 54th, 86th, Greendale, 62nd, Merle Hay, Northpark, 57th, 55th, Meadow Crest
Frequently asked questions
What ZIP codes are in Johnston, IA?
Johnston, Iowa has 1 ZIP code, ranging from 50131 to 50131. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Johnston, IA in?
Johnston is in Polk county.
What are the latitude and longitude of Johnston, IA?
The approximate center of Johnston, Iowa is latitude 41.693, longitude -93.717. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Johnston, IA have?
Johnston has 1 ZIP code.
How many addresses are in Johnston, IA?
Johnston, Iowa has about 110,026 known street addresses in the sthan.io US address database.
What are the most common streets in Johnston, IA?
Some of the most common street names in Johnston are Beaver, 54th, 86th, Greendale, 62nd, Merle Hay.
What cities are near Johnston, IA?
Cities near Johnston include Grimes (4 mi), Urbandale (5 mi), Ankeny (6 mi), Windsor Heights (6 mi), Clive (7 mi).
Cities near Johnston
Grimes, IA (4 mi) Urbandale, IA (5 mi) Ankeny, IA (6 mi) Windsor Heights, IA (6 mi) Clive, IA (7 mi) Granger, IA (7 mi) Polk City, IA (7 mi) Berwick, IA (9 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database