Dorchester, Iowa

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Dorchester, Iowa
Dorchester, Iowa is located in Iowa
Dorchester, Iowa
Dorchester, Iowa
Location within the state of Iowa
Coordinates: 43°28′11″N 91°30′40″W / 43.46972°N 91.51111°W / 43.46972; -91.51111Coordinates: 43°28′11″N 91°30′40″W / 43.46972°N 91.51111°W / 43.46972; -91.51111
CountryUnited States
738 ft (225 m)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP codes
Area code563
GNIS feature ID455958

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.[1] Its elevation is 738 feet (225 m).[2] The town was originally settled by Harvey Bell and Edmund Bell, and was named after Dorchester, England.[3] Although Dorchester is unincorporated, it has a post office, with the ZIP code of 52140,[4] which opened on 21 May 1857.[5] Dorchester is located in Waterloo Township.[6]


Dorchester in Allamakee County, Iowa, in 1903

Dorchester was platted in 1873.[7] Dorchester's population was 56 in 1902,[8] and 90 in 1925.[9]

Dorchester's location in the flood plain of the Upper Iowa River makes it vulnerable to flooding; the community was damaged by high waters in August 2007. It was worse hit on 8 June 2008 and succeeding days: over seven inches (over 18 cm) of rain fell on the eighth, and resulting record high floods of 22½ feet (20½ m) almost destroyed a trailer park that was a significant part of the tiny community.[10][11] An LP gas tank from Dorchester was discovered just eight hours later in Lansing, on the opposite side of the county.[12]


All students in the area are enrolled in the Allamakee Community School District in Waukon, even though Dorchester is closer to Spring Grove, Minnesota.


  1. ^ Rand McNally. The Road Atlas '08. Chicago: Rand McNally, 2008, p. 39.
  2. ^ U.S. Geological Survey Geographic Names Information System: Dorchester, Iowa
  3. ^ Savage, Tom (2007). A Dictionary of Iowa Place-Names. University of Iowa Press. ISBN 9781587297595.
  4. ^ Zip Code Lookup Archived June 15, 2011, at the Wayback Machine
  5. ^ U.S. Geological Survey Geographic Names Information System: Dorchester Post Office
  6. ^ Hancock, Ellery M. (1913). Past and Present of Allamakee County, Iowa: A Record of Settlement, Organization, Progress and Achievement, Volume 1. S. J. Clarke publishing Company. p. 307.
  7. ^ Alexander, W. E. (1882). History of Winneshiek and Allamakee Counties, Iowa. Western Publishing Company. pp. 401.
  8. ^ Cram's Modern Atlas: The New Unrivaled New Census Edition. J. R. Gray & Company. 1902. pp. 203–207.
  9. ^ Company, Rand McNally and (1925). Premier Atlas of the World: Containing Maps of All Countries of the World, with the Most Recent Boundary Decisions, and Maps of All the States,territories, and Possessions of the United States with Population Figures from the Latest Official Census Reports, Also Data of Interest Concerning International and Domestic Political Questions. Rand McNally & Company. p. 190.
  10. ^ Entire Neighborhood Destroyed, KAAL, 2008-06-10. Accessed 2008-06-14.
  11. ^ NE Iowa town inundated by Upper Iowa River flood waters, La Crosse Tribune, 2008-06-10. Accessed 2008-06-14.
  12. ^ Dorchester residents work to recover from last weekend's flash flooding Archived June 8, 2011, at the Wayback Machine, Waukon Standard, 2008-06-20. Accessed 2008-06-20.