Dorchester, IA ZIP Codes, Coordinates & Counties
Dorchester, Iowa has 1 ZIP code in Allamakee county. The approximate center of Dorchester is 43.443, -91.537. Dorchester has about 6,682 known street addresses.
ZIP codes in Dorchester, IA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 52140 | Allamakee | 43.443 | -91.537 |
Counties Dorchester spans
Allamakee
Most common streets in Dorchester
Washington, Bear Creek, Balsam, Grand View, Dorchester, Church, Riverside, Willow, Hanover, View
Frequently asked questions
What ZIP codes are in Dorchester, IA?
Dorchester, Iowa has 1 ZIP code, ranging from 52140 to 52140. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Dorchester, IA in?
Dorchester is in Allamakee county.
What are the latitude and longitude of Dorchester, IA?
The approximate center of Dorchester, Iowa is latitude 43.443, longitude -91.537. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Dorchester, IA have?
Dorchester has 1 ZIP code.
How many addresses are in Dorchester, IA?
Dorchester, Iowa has about 6,682 known street addresses in the sthan.io US address database.
What are the most common streets in Dorchester, IA?
Some of the most common street names in Dorchester are Washington, Bear Creek, Balsam, Grand View, Dorchester, Church.
What cities are near Dorchester, IA?
Cities near Dorchester include New Albin (9 mi), Eitzen (9 mi), Spring Grove (11 mi), Waukon (12 mi), Decorah (13 mi).
Cities near Dorchester
New Albin, IA (9 mi) Eitzen, MN (9 mi) Spring Grove, MN (11 mi) Waukon, IA (12 mi) Decorah, IA (13 mi) Caledonia, MN (13 mi) Lansing, IA (15 mi) Mabel, MN (15 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database