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North Dakota, U.S. Senate

U.S. Rep. Kevin Cramer (R) defeated incumbent Sen. Heidi Heitkamp (D) in the November 6, 2018, general election to represent North Dakota in the United States Senate.

Heitkamp was first elected in 2012, winning by 1 percentage point. Donald Trump (R) won the state by 36 points in the 2016 presidential election. While the state voted for the Republican presidential nominee in the five elections from 2000 to 2016, Trump's was the largest margin of victory. The Hill listed this seat as the most likely Senate seat to flip in 2018.

Thirty-five of the 100 seats in the United States Senate were up for election in 2018, including two seats up for special election. Republicans gained four previously Democratic-held seats and Democrats gained two previously Republican-held seats, resulting in a net gain of two seats for the Republican Party and a 53-seat majority in the chamber. This race was identified as a 2018 battleground that might have affected partisan control of the chamber in the 116th Congress. At the time of the election, Republicans held a 51-seat Senate majority. Democrats held 47 seats, and the two independents caucused with them. Democrats faced greater partisan risk in 2018, as they were defending 26 seats while Republicans were only defending nine. Democrats had to defend seats in 10 states Donald Trump (R) won. The GOP defended one Senate seat in a state Hillary Clinton (D) won.

Polls

U.S. Senate election in North Dakota, Cramer (R) v. Heitkamp (D)

Poll Poll sponsor Republican Party Cramer Democratic Party HeitkampUndecidedMargin of errorSample size
Anderson Robbins Research (D)/Shaw & Company Research (R)
October 27-30, 2018
FOX News 51%42%4%+/-3789
Strategic Research Associates
October 12-19, 2018
Gray TV 56%40%4%+/-3.8650
Anderson Robbins Research (D)/Shaw & Company Research (R)
Sept. 28-Oct. 2, 2018
FOX News 53%41%3%+/-3.5704
Strategic Research Associates
September 17-27, 2018
Gray TV 51%41%8%+/-3.8650
Anderson Robbins Research (D)/Shaw & Company Research (R)
September 8-11, 2018
FOX News 48%44%6%+/-3.5701
Mason-Dixon Polling and Strategy
June 13-15, 2018
N/A 48%44%8%+/-4625
AVERAGES 51.17% 42% 5.5% +/-3.6 686.5

U.S. Senate election in North Dakota, Campbell (R) v. Heitkamp (D) (hypothetical match-up)

Poll Tom Campbell (R) Heidi Heitkamp (D)OtherMargin of ErrorSample Size
1892 Polling
October 11-12, 2017
44%41%15%+/-4.9500
1892 Polling
May 30-June 1, 2017
37%43%20%+/-4.9500

U.S. Senate election in North Dakota, Republican primary

Poll Tom Campbell (R) Rick Berg (R)Other candidate(s)UndecidedMargin of ErrorSample Size
1892 Polling
October 11-12, 2017
32%34%9%35%+/-4.0400
1892 Polling
May 30-June 1, 2017
7%39%9%45%+/-4.0400

Campaign finance

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

Name Party Receipts* Disbursements** Cash on hand Date
Heidi Heitkamp Democratic Party $29,525,600 $23,660,194 $6,483,856 As of December 31, 2018
Kevin Cramer Republican Party $6,031,116 $6,231,101 $195,522 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.

Election history

2016

rated North Dakota's U.S. Senate race as safely Republican. Incumbent John Hoeven (R) defeated Eliot Glassheim (D), Robert Marquette (L), and James Germalic (I) in the general election on November 8, 2016. No candidate faced a primary opponent in June.

U.S. Senate, North Dakota General Election, 2016

Party Candidate Vote % Votes
Republican Green check mark transparent.pngJohn Hoeven Incumbent 78.5% 268,788
Democratic Eliot Glassheim 17% 58,116
Libertarian Robert Marquette 3.1% 10,556
Independent James Germalic 1.4% 4,675
N/A Write-in 0.1% 366
Total Votes 342,501
Source: North Dakota Secretary of State

2012

On November 6, 2012, Heidi Heitkamp (D) won election to the United States Senate. She defeated Rick Berg (R) in the general election.

U.S. Senate, North Dakota General Election, 2012

Party Candidate Vote % Votes
Democratic Green check mark transparent.pngHeidi Heitkamp 50.5% 161,337
Republican Rick Berg 49.5% 158,401
Total Votes 319,738
Source: North Dakota Secretary of State "Official Election Results, 2012 General Election"

Demographics

Demographic data for North Dakota

North DakotaU.S.
Total population:756,835316,515,021
Land area (sq mi):69,0013,531,905
Gender
Female:49%50.8%
Race and ethnicity**
White:88.7%73.6%
Black/African American:1.6%12.6%
Asian:1.2%5.1%
Native American:5.3%0.8%
Pacific Islander:0%0.2%
Two or more:2.2%3%
Hispanic/Latino:2.9%17.1%
Education
High school graduation rate:91.7%86.7%
College graduation rate:27.7%29.8%
Income
Median household income:$57,181$53,889
Persons below poverty level:12.2%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 North Dakota.

As of July 2016, North Dakota's three largest cities were Fargo (pop. est. 120,000), Bismarck (pop. est. 73,000), and Grand Forks (pop. est. 57,000).