Iowa's 10th Congressional District
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Iowa's 10th Congressional District

Iowa's 10th congressional district existed from 1883 to 1933, when Iowa sent eleven congressmen to the United States House of Representatives. The district, known as "The Big Tenth,"[1] covered large areas of north-central Iowa.


From 1883 to 1886, the district included the north-central Iowa counties of Worth, Cerro Gordo, Franklin, Hardin, Story, Wright, Hamilton, Humboldt, Hancock, Kossuth, Winnebago, Webster, and Boone.[2] Reapportionment in 1886 reflected the increasing population balance between eastern and western Iowa, resulting in a westward shift of the district's boundaries.[3] From 1886 until 1933, the district was made up of Boone, Calhoun, Carroll, Crawford, Emmet, Greene, Hamilton, Humboldt, Kossuth, Palo Alto, Pocahontas, Winnebago, and Webster counties.[3] After 1886, the boundaries of the district never changed;[4] the Iowa General Assembly refused to reapportion its districts until the loss of two seats following the 1930 census left the State with no other choice.

Demographics and underrepresentation

The district was predominantly rural, especially in its 1886 reconfiguration. During that period, it included only one of Iowa's twenty largest cities -- Fort Dodge -- and included counties that had been relatively slow to settle. However, by 1895 the large area of the 10th District, coupled with increased migration to its small towns, caused it to have the largest population of any of Iowa's congressional districts.[5] By 1890, the continued disproportionate increase in the population of the 10th and 11th Districts caused some to predict that the General Assembly would need to reduce the area of each district,[5] but no such change occurred. By 1921, the 10th District had over 100,000 more residents than the 1st District, and nearly 60,000 more than the population of an ideally-sized Iowa congressional district.[6]

Voting patterns

Every congressman elected from this district was a member of the Republican Party. As a general matter, the most influential event during each election year was not the November general election, but the Republican Party's district nominating convention (or later, the Republican primary). Two 10th district congressmen (Jonathan P. Dolliver and L. J. Dickinson) became well-known members of the U.S. Senate and sought national office.

After dissolution

Under the nine-district plan adopted by the Iowa General Assembly in 1931, the boundaries of the old 10th district were preserved as the new 8th district.[7] The last congressman elected by the old 10th district, Fred C. Gilchrist, was elected in the new 8th district in 1932. Ten years later, when the 1940 census caused Iowa to lose another seat, the new 6th district included all of the old 10th district's counties, plus Wright County. It was only after that district elected a Democrat (Merwin Coad from Boone County) and Iowa lost a seat due to the 1960 census that the Iowa General Assembly broke up the old 10th district's counties, dividing them among four districts.[8]

List of representatives

Representative Party Term Cong
District Residence (County) Note
District created
March 4, 1883
No image.svg Adoniram J. Holmes Republican March 4, 1883 - March 3, 1889 48th
Jonathan P. Dolliver - History of Iowa.jpg Jonathan P. Dolliver Republican March 4, 1889 - August 22, 1900 51st
Webster Resigned after being appointed to the US Senate
August 22, 1900 - December 4, 1900
No image.svg James P. Conner Republican December 4, 1900 - March 3, 1909 56th
FrankPWoods.jpg Frank P. Woods Republican March 4, 1909 - March 3, 1919 61st
LJDickinson.jpg Lester J. Dickinson Republican March 4, 1919 - March 3, 1931 66th
FredCGilchrist.jpg Fred C. Gilchrist Republican March 4, 1931 - March 3, 1933 72nd Pocahontas Redistricted to the 8th district
District eliminated
March 4, 1933

See also


  1. ^ "The 'Big Tenth,'" Emmet County Republican, 1897-05-27 at p. 9 (reprinted from the Jefferson Souvenir); "The State Ticket," Carroll Daily Sentinel, 1892-08-22 at p. 1.
  2. ^ "Congressional Map of the State of Iowa - Official Census 1885" (Iowa Official Register 1886 Archived 2006-05-19 at the Wayback Machine at pp. 12-13).
  3. ^ a b "The Congressional Districts," Waterloo Courier, 1886-04-14.
  4. ^ Iowa Official Register 1929-30 Archived 2013-11-12 at the Wayback Machine at p. 3.
  5. ^ a b "Redistricting in Iowa," Dubuque Sunday Herald, 1900-11-04 at p. 11.
  6. ^ Editorial, "A Brilliant Idea," Waterloo Evening Courier, 1921-01-26 at 6.
  7. ^ Iowa Official Register 1933-34 Archived 2011-07-25 at the Wayback Machine at p. 6.
  8. ^ Editorial, "Another redrawing," Ames Daily Tribune, 1970-07-07 at p. 4 (depicting the 1941 and 1961 district maps).
  • Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
  • Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
  • Congressional Biographical Directory of the United States 1774-present

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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