# 2016 Iowa elections

Elections in Iowa :
Federal government
U.S. Presidential elections
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2024 :
State government
General elections
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Gubernatorial elections
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Secretary of State elections
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Attorney General elections
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Senate elections
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Specials
House of Representatives elections
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Territorial Council elections
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1845 :
Ballot measures
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Question 1
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Amendment 1 :
Cedar Rapids
Mayoral elections
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Des Moines
Mayoral elections
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vte :
The Iowa general elections, 2016 were held in the U.S. state of Iowa on November 8, 2016. One of Iowa's U.S. Senate seats and all four seats in the United States House of Representatives were up for election, as well as half of the Iowa Senate seats and all of the Iowa House of Representatives seats. Primary elections were held on June 7, 2016.
The Iowa Republican Party made large gains in the election, increasing its majority in the State House and taking control of the State Senate, giving the state a Republican trifecta for the first time since 1996.

## U.S. Senate

Incumbent Republican Senator Chuck Grassley sought re-election to a seventh term. Grassley defeated Democratic nominee Patty Judge and several third-party candidates in the general election, winning 60.09% of the vote.

## U.S. House of Representatives

All of Iowa's four seats in the United States House of Representatives were up for election in November. Party control remained unchanged after the general election.

## Iowa Senate

The 25 even-numbered Iowa Senate seats were up for election.
| Affiliation | Party (Shading indicates majority caucus) | Party (Shading indicates majority caucus) | Party (Shading indicates majority caucus) | Total | |
| Affiliation | Democratic | Republican | Independent | Total | Vacant |
| Before 2016 elections | 26 | 23 | 1 | 50 | 0 |
| Latest voting share | 52% | 46% | 2% | | |
| After 2016 elections | 20 | 29 | 1 | 50 | 0 |
| New voting share | 40% | 58% | 2% | | |

## Iowa House of Representatives

All 100 seats in the Iowa House of Representatives were up for election.
| Affiliation | Party (Shading indicates majority caucus) | Party (Shading indicates majority caucus) | Total | |
| Affiliation | Republican | Democratic | Total | Vacant |
| Before 2016 elections | 57 | 43 | 100 | 0 |
| Latest voting share | 57% | 43% | | |
| After 2016 elections | 59 | 41 | 100 | 0 |
| New voting share | 59% | 41% | | |