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zipcodes.pro — CITY/IA/DORCHESTER

Dorchester ZIP code, Iowa

The ZIP code for Dorchester, IA is 52140, and its area code is 563.

USPS city name
1 ZIP code
Population
671
Area code
563
State
Iowa

Dorchester in numbers

About 671 people live in Dorchester, in 276 households. The median household income is $72,188 a year, 4% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $208,300 (about the same as the Iowa median).

Population671Dorchester671
Households276Dorchester276
Median household income$72,188Dorchester$72,188Iowa$75,059US $80,734
Median home value$208,300Dorchester$208,300Iowa$208,000US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Dorchester. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Dorchester

ZIP codes with the USPS city name Dorchester
ZIP City Type Population Median income Median home
52140 Dorchester , IA Standard 671 $72,188 $208,300

Map of Dorchester ZIP codes

52140

The ZIP codes of Dorchester, IA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Dorchester

The nearest larger towns are Spring Grove, MN (1,177 people, 9.5 mi), Waukon (3,792 people, 13 mi) and Mabel, MN (730 people, 13 mi).

Towns near Dorchester
TownPopulationDistance
Waukon 3,792 12.6 mi
Caledonia, MN 2,820 13.1 mi
Decorah 7,535 16.0 mi
Postville 2,979 25.0 mi
La Crescent, MN 5,251 28.9 mi
Cresco 3,908 29.6 mi

More nearby: every ZIP code in Allamakee County · Iowa ZIP codes

Cite this page

zipcodes.pro. “Dorchester, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/dorchester

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