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From December 28, 1846, to March 3, 1847, the new state ofIowa was represented in theUnited States House of Representatives by two representatives who had been elected on a statewide basis, rather than by districts.

This unusual situation enabled Iowa to be represented in theTwenty-ninth United States Congress from the date that it joined the Union (and before the FirstIowa General Assembly took office, apportioned the state into two geographic districts, and the voters in those districts elected their representatives).^[1] The two at-large representatives,Shepherd Leffler andSerranus Clinton Hastings, had been elected in 1846, in anticipation of statehood.

This temporary solution ended in 1847. By the time that theThirtieth United States Congress was sworn in (in December 1847), the General Assembly had divided the state's counties into two districts, which in August 1847 had elected their own representatives,William Thompson inIowa's 1st congressional district and Leffler inIowa's 2nd congressional district.^[1]

Before statehood,Iowa Territory had a single delegate to the U.S. House, who was also elected on an at-large basis.

Years	Cong ress	Seat A				Seat B
		Representative	Party	Electoral history		Representative	Party	Electoral history
December 28, 1846 – March 3, 1847	29th	Serranus Clinton Hastings (Bloomington)	Democratic	Elected in 1846 (New state). Retired.		Shepherd Leffler (Burlington)	Democratic	Elected in 1846 (New state). Redistricted to the2nd district.

• Iowa's congressional districts

• 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
• Congressional Biographical Directory of the United States 1774–present

42°N93°W / 42°N 93°W /42; -93

• Congressional districts of Iowa
• Former congressional districts of the United States
• At-large United States congressional districts

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