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Arizona, U.S. House, District 1


Incumbent Tom O'Halleran (D) defeated Wendy Rogers (R) in the general election for Arizona's 1st Congressional District on November 6, 2018.

All 435 seats in the U.S. House of Representatives were up for election in 2018. The Democratic Party gained a net total of 40 seats, winning control of the chamber. This race was identified as a 2018 battleground that might have affected partisan control of the U.S. House in the 116th Congress. Heading into the election, the Republican Party was in the majority holding 235 seats to Democrats' 193 seats, with seven vacant seats. Democrats needed to win 23 GOP-held seats in 2018 to win control of the House. From 1918 to 2016, the president’s party lost an average of 29 seats in midterm elections.

The 1st District was one of 13 districts that voted for both President Trump (R) and a Democratic representative—O'Halleran—in the 2016 election. O'Halleran won the district by 7 points in 2016, and Trump won by 1 point. The National Republican Congressional Committee placed the district on its 2018 target list.

Polls

Arizona's 1st Congressional District election, 2018

Poll Poll sponsor Tom O'Halleran Wendy RogersUndecidedMargin of ErrorSample Size
Optimus
October 31-November 1, 2018
None 48%45%8%+/-3.6756
American Viewpoint
October 16-18, 2018
None 46%46%5%+/-4.9400
Go Right Strategies
October 10-11, 2018
Rogers campaign 37.5%44.4%18.1%+/-3.0943
Shock
September 27-28, 2018
Rogers campaign 36.23%39.44%24.33%+/-4.0738


Campaign finance

The chart below contains data from financial reports submitted to the Federal Election Commission.

Name Party Receipts* Disbursements** Cash on hand Date
Tom O'Halleran Democratic Party $2,748,953 $2,760,248 $5,932 As of December 31, 2018
Wendy Rogers Republican Party $1,423,837 $1,427,124 $1,702 As of December 31, 2018

Source: Federal Elections Commission, "Campaign finance data," 2018.

* According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee."
** According to the FEC, a disbursement "is a purchase, payment, distribution, loan, advance, deposit or gift of money or anything of value to influence a federal election," plus other kinds of payments not made to influence a federal election.


State election history

This section provides an overview of federal and state elections in Arizona from 2000 to 2016. All data comes from the Arizona Secretary of State.

Historical elections

Presidential elections, 2000-2016

This chart shows the results of the presidential election in Arizona every year from 2000 to 2016.

Election results (President of the United States), Arizona 2000-2016

Year First-place candidate First-place candidate votes (%) Second-place candidate Second-place candidate votes (%) Margin of victory (%)
2016 Republican Party Donald Trump 48.7% Democratic Party Hillary Clinton 45.1% 3.6%
2012 Republican Party Mitt Romney 53.7% Democratic Party Barack Obama 44.6% 9.1%
2008 Republican Party John McCain 53.6% Democratic Party Barack Obama 45.1% 7.5%
2004 Republican Party George W. Bush 54.9% Democratic Party John Kerry 44.4% 10.5%
2000 Republican Party George W. Bush 51.0% Democratic Party Al Gore 44.5% 5.5%

U.S. Senate elections, 2000-2016

This chart shows the results of U.S. Senate races in Arizona from 2000 to 2016. Every state has two Senate seats, and each seat goes up for election every six years. The terms of the seats are staggered so that roughly one-third of the seats are up every two years.

Election results (U.S. Senator), Arizona 2000-2016

Year First-place candidate First-place candidate votes (%) Second-place candidate Second-place candidate votes (%) Margin of victory (%)
2016 Republican Party John McCain 53.7% Democratic Party Ann Kirkpatrick 40.7% 13.0%
2012 Republican Party Jeff Flake 49.2% Democratic Party Richard Carmona 46.2% 3.0%
2010 Republican Party John McCain 58.9% Democratic Party Rodney Glassman 34.7% 24.2%
2006 Republican Party Jon Kyl 53.3% Democratic Party Jim Pederson 43.5% 9.8%
2004 Republican Party John McCain 76.7% Democratic Party Stuart Starky 20.6% 56.1%
2002 Republican Party Jon Kyl 79.3% Grey.png William Toel (I) 7.8% 7.8%

Gubernatorial elections, 2000-2016

This chart shows the results of the four gubernatorial elections held between 2000 and 2016. Gubernatorial elections are held every four years in Arizona.

Election results (Governor), Arizona 2000-2016

Year First-place candidate First-place candidate votes (%) Second-place candidate Second-place candidate votes (%) Margin of victory (%)
2014 Republican Party Doug Ducey 53.4% Democratic Party Fred DuVal 41.6% 11.8%
2010 Republican Party Jan Brewer 54.3% Democratic Party Terry Goddard 42.4% 12.1%
2006 Democratic Party Janet Napolitano 62.6% Republican Party Len Munsil 35.4% 27.2%
2002 Democratic Party Janet Napolitano 46.2% Republican Party Matt Salmon 45.2% 1.0%'

Congressional delegation, 2000-2016

This chart shows the number of Democrats and Republicans who were elected to represent Arizona in the U.S. House from 2000 to 2016. Elections for U.S. House seats are held every two years.

Congressional delegation, Arizona 2000-2016

Year Republicans Republicans (%) Democrats Democrats (%) Balance of power
2016 Republican Party 5 55.5% Democratic Party 4 44.4% R+1
2014 Republican Party 5 55.5% Democratic Party 4 44.4% R+1
2012 Republican Party 4 44.4% Democratic Party 5 55.5% D+1
2010 Republican Party 5 62.5% Democratic Party 3 37.5% R+2
2008 Republican Party 3 37.5% Democratic Party 5 62.5% D+2
2006 Republican Party 4 50% Democratic Party 4 50% Even
2004 Republican Party 6 75% Democratic Party 2 25% R+4
2002 Republican Party 6 75% Democratic Party 2 25% R+4
2000 Republican Party 5 83.3% Democratic Party 1 16.6% R+4

Trifectas, 1992-2017

A state government trifecta occurs when one party controls both chambers of the state legislature and the governor's office.

Arizona Party Control: 1992-2019
No Democratic trifectas19 years of Republican trifectas

Year 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19
Governor R R R R R R R R R R R D D D D D D R R R R R R R R R R R
Senate D R R R R R R R R S S R R R R R R R R R R R R R R R R R
House R R R R R R R R R R R R R R R R R R R R R R R R R R R R



Demographics

Demographic data for Arizona

ArizonaU.S.
Total population:6,817,565316,515,021
Land area (sq mi):113,5943,531,905
Gender
Female:50.3%50.8%
Race and ethnicity**
White:78.4%73.6%
Black/African American:4.2%12.6%
Asian:3%5.1%
Native American:4.4%0.8%
Pacific Islander:0.2%0.2%
Two or more:3.2%3%
Hispanic/Latino:30.3%17.1%
Education
High school graduation rate:86%86.7%
College graduation rate:27.5%29.8%
Income
Median household income:$50,255$53,889
Persons below poverty level:21.2%11.3%
Source: U.S. Census Bureau, "American Community Survey" (5-year estimates 2010-2015)
for more information on the 2020 census and here for more on its impact on the redistricting process in Arizona.

As of July 2016, Arizona's three largest cities were Phoenix (pop. est. 1,626,078), Tucson (pop. est. 535,677), and Mesa (pop. est. 496,401).