ZIP Code 52140
About Dorchester
Dorchester is an unincorporated community in northwestern Allamakee County, Iowa, United States. It lies along local roads just off Iowa Highway 76, north of the city of Waukon, the county seat of Allamakee County. Its elevation is 738 feet (225 m). The town was originally settled by Harvey Bell and Edmund Bell, and was named after Dorchester, England. Although Dorchester is unincorporated, it has a post office, with the ZIP code of 52140, which opened on 21 May 1857. Dorchester is located in Waterloo Township.
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Area Profile
US Census (ACS 5-year · Gazetteer)
469
population
$89,722
median household income
6
people / sq mi
$216,700
median home value
39.6
median age
247
housing units
208
households
73.8
land area (sq mi)
Key places in 52140
- Hartley Drive historic