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Learn Which 34 Senators Are Up for Re-Election in 2018

This OTYCD entry originally posted in January 2018.

Learn which 34 senators are up for re-election on November 6, 2018.

 

Every two years, all 435 members of the House of Representatives are up for re-election, and at least 33 of the 100 sitting senators are as well.

 

You should familiarize yourself with the 34 senators whose terms expire in 2018, and choose at least one incumbent Democratic senator for your Core Four.

 

Learn about the Core Four here:

https://onethingyoucando.com/2017/12/24/choose-your-core-four-for-2018/

 

If your state doesn’t have an incumbent Democratic senator, please consider throwing your support to the more vulnerable senators on this list, or failing that, consider supporting senators who aren’t as well-known as, say, Elizabeth Warren or Bernie Sanders, who are also up for re-election in 2018.

 

When you look at this list, you’ll get a notion of why the Senate is regarded as a tough get for Democrats in 2018. The party is largely on defense this year. While Doug Jones beating the odds to pick up that open Senate seat in Alabama makes the math less daunting, the Democrats still have to successfully defend ALL the Senate seats they currently hold AND also win two more seats if they are to claim control of the chamber. It’s doable, but cussedly difficult.

 

All information on primary dates and challengers come from Ballotpedia.org.

 

The affected senators are:

Jeff Flake, Republican from Arizona. In October 2017, he announced that he would not run again. The primaries will take place on August 28, 2018. As of December 24, 2017, five Democrats, three Republicans, and a Libertarian had announced their intent to run. The Cook Political Report regards the seat as a Toss-up.

 

Dianne Feinstein, Democrat from California. She will seek her sixth term in the Senate, but a huge mess of candidates will run in the June 5, 2018–seven other Democrats, five Republicans, seven Independents, and a member of the Green Party. The Cook Political Report regards the seat as Solid Democrat.

 

Chris Murphy, Democrat from Connecticut. He will run for his second term. One other Democrat and two Republicans will compete in the August 14, 2018 primary. The Cook Political Report regards the seat as Solid Democrat.

 

Tom Carper, Democrat from Delaware. He’s served in the senate since 2000 and will run again. As of late December 2017, he faces no party challengers in the September 6, 2018 primary, and one Republican has declared his intent to run. The Cook Political Report regards the seat as Solid Democrat.

 

Bill Nelson, Democrat from Florida. Like Carper, he’s served in the senate since 2000. Unlike Carper, he’s viewed as vulnerable. One other Democrat, six Republicans, four Independents, and a Libertarian will run in the August 28, 2018 primary. The Cook Political Report ranks the seat as Lean Democrat.

 

Mazie Hirono, Democrat from Hawaii. She will run for her second term. No one from any party has announced they’ll run in the August 11, 2019 primary. The Cook Political Report regards the seat as Solid Democrat.

 

Joe Donnelly, Democrat from Indiana. He will run for his second term, and he is considered vulnerable. Two other Democrats, seven Republicans, and an Independent will compete in the May 8, 2018 primary. The Cook Political Report describes the seat as a Toss-up.

 

Angus King, Independent from Maine. He will run for his second term. Though he is an Independent, he caucuses with the Democrats. One Democrat, one Republican, one Libertarian, and one other Independent will compete in the June 12, 2018 primary. The Cook Political Report ranks the seat as Lean Democrat.

 

Ben Cardin, Democrat from Maryland. He was first elected to the Senate in 2006 and will run again. Three other Democrats, two Republicans, and a Libertarian will compete in the June 26, 2018 primary. The Cook Political Report regards the seat as Solid Democrat.

 

Elizabeth Warren, Democrat from Massachusetts. She will run for a second term. No Democrat has dared to run against her in the September 18, 2018 primary, but seven Republicans and two Independents will. The Cook Political Report regards the seat as Solid Democrat, but c’mon, Warren is a favorite target of the right wing, so she’s bound to catch flak no matter what. Nevertheless, she’ll persist.

 

Debbie Stabenow, Democrat from Michigan. She’s been in the senate since 2000 and intends to run again. One Democrat will meet her in the August 7, 2018 primary, as well as five Republicans, an Independent, and a member of the Green Party. The Cook Political Report describes the seat as Likely Democrat.

 

Tina Smith, Democrat from Minnesota. As of late December 2017, Smith was the state’s lieutenant governor. When Senator Al Franken steps down on January 3, 2018, she will be appointed to take his place, and will run in a November special election to finish the rest of Franken’s term, which expires in 2020. According to the a Michigan newspaper article linked below, state Democrats are willing to clear the field for her, and she’d be facing a fundraising challenge, what with having only 10 months to raise funds for her November campaign: https://www.twincities.com/2017/12/14/minnesota-democrats-aim-to-clear-smiths-path-for-2018-bid/

 

Amy Klobuchar, Democrat from Minnesota. She will run for her third term. In the August 14, 2018 primary, she will face one other Democrat. Two Republicans and a Green Party candidate will run as well. The Cook Political Report regards the seat as Solid Democrat.

 

Roger Wicker, Republican from Missisippi. He was first appointed to the Senate in 2007 and will run again in 2018. As of late December 2017, he faces no opponents in the June 5, 2018 primary. One Democrat plans to run. The Cook Political Report regards the seat as Solid Republican.

 

Clare McCaskill, Democrat from Missouri. She will run for a third term, and she is regarded as vulnerable. In the August 7, 2018 primary, she will face one other Democrat. Six Republicans and a Libertarian will also run. The Cook Political Report describes the seat as a Toss-up.

 

Jon Tester, Democrat from Montana. He will run for a third term, and will face two Democratic challengers in the June 5, 2018 primary. Seven Republicans and a Green Party member will run also. The Cook Political Report describes the seat as Likely Democrat.

 

Deb Fischer, Republican from Nebraska. She will run for her second term. As of late December 2017, no Republicans had committed to the May 15, 2018 primary, but two Democrats confirmed they would compete. The Cook Political Report regards the seat as Solid Republican.

 

Dean Heller, Republican from Nevada. Heller might be the most vulnerable Republican incumbent senator now that Jeff Flake has announced he won’t run again. Two other Republicans will meet him in the June 12, 2018 primary, as well as three Democrats. The Cook Political Report describes the seat as a Toss-up.

 

Bob Menendez, Democrat from New Jersey. Despite a serious cloud over Menendez–his trial on federal corruption charges ended in a mistrial in November 2017–he’s running for a third term, and no Democrat has declared they’ll run against him in the June 5, 2018 primary. Three Republicans and an Independent plan to participate. The Cook Political Report characterizes the seat as Likely Democrat.

 

Martin Heinrich, Democrat from New Mexico. Of all the senators running for re-election, Heinrich might have the lowest national profile. He’s running for a second term and does not yet have a challenger in the June 5, 2018 primary. One Republican will run. The Cook Political Report regards the seat as Solid Democrat.

 

Kirsten Gillibrand, Democrat from New York. Appointed in 2009, she is expected to run for Senate again. No Democrat has stepped up to challenge her, but four Republicans will appear in the June 26, 2018 primary. The Cook Political Report regards the seat as Solid Democrat.

 

Heidi Heitkamp, Democrat from North Dakota. She will run for her second term, and she’s regarded as vulnerable. She’ll face a Democratic challenger in the June 12, 2018 primary, and one Republican has declared as well. The Cook Political Report ranks the seat as Lean Democrat.

 

Sherrod Brown, Democrat from Ohio. First elected in 2006, he will run for Senate again. He doesn’t yet have a Democratic challenger in the May 8, 2018 primary, but three Republicans will do battle. The Cook Political Report ranks the seat as Lean Democrat.

 

Bob Casey, Jr., Democrat from Pennsylvania. He will run for a third term, but the primary promises to be crowded. Two other Democrats will face off against Casey in the May 15, 2018 primary, along with seven Republicans and a Libertarian. The Cook Political Report characterizes the seat as Likely Democrat.

 

Sheldon Whitehouse, Democrat from Rhode Island. He will run for a third term. As of December 2017, he is unopposed in the September 12, 2018 primary, but two Republicans will run. The Cook Political Report characterizes the seat as Likely Democrat.

 

Bob Corker, Republican from Tennessee. He announced in September 2017 that he would not run again. The primary will take place on August 2, 2018, and so far, two Democrats and five Republicans have said they will run. The Cook Political Report characterizes the seat as Likely Republican.

 

Ted Cruz, Republican from Texas. The man that Al Franken dubbed “the Dwight Schrute of the Senate” will run for a second term. The primary takes place relatively early, on March 6, 2018. Cruz will have to fend off five other Republicans to earn the privilege of defending the seat. Five Democrats and an Independent have declared as well. The Cook Political Report regards the seat as Solid Republican.

 

Orrin Hatch, Republican from Utah. Hatch, who serves as the President Pro Tempore of the Senate, has been a member of the Senate since 1976. He’s made noises about possibly not running again in 2018, and said he’d make up his mind by the end of the year, but as of December 24, 2017, he hadn’t clarified, so he’s assumed to be running again. No Republicans had committed to run against Hatch in the June 26, 2018 primary, but two Democrats and a Libertarian will compete. The Cook Political Report regards the seat as Solid Republican.

 

Bernie Sanders, Independent from Vermont. He will run for a third term. Though he’s officially an Independent, Sanders caucuses with the Democrats. The August 14, 2018 primary has attracted two Democrats and a member of the People’s Party, but no Republicans yet. The Cook Political Report regards the seat as Solid Democrat.

 

Tim Kaine, Democrat from Virginia. The former vice presidential running mate of Hillary Clinton will seek a second Senate term. He has no competition in the June 12, 2018 primary, but four Republicans will compete. The Cook Political Report characterizes the seat as Likely Democrat.

 

Maria Cantwell, Democrat from Washington. She will run for a fourth term. Washington state has a Top-Two primary, which means that only the top two vote-getters in the August 7, 2018 primary will move on to the general election in November. Cantwell will face a Democrat, an Independent, and a Libertarian. The Cook Political Report regards the seat as Solid Democrat.

 

Joe Manchin III, Democrat from West Virginia. Manchin is regarded as one of the most vulnerable sitting Senate Democrats because he hails from deep within Trump Country. He won a special election in 2010, won re-election in 2012, and will run again. The May 8, 2018 primary sees him facing off against two other Democrats. Six Republicans will run as well. The Cook Political Report describes the seat as a Toss-up.

 

Tammy Baldwin, Democrat from Wisconsin. She will run for a second term. One Democrat will meet her in the August 14, 2018 primary; three Republicans and a member of the Veteran’s Party of America will compete also. The Cook Political Report characterizes the seat as Likely Democrat.

 

John Barrasso, Republican of Wyoming. He was appointed to the Senate in 2007, won the 2008 special election, and handily fought off a Democratic challenger in 2012. He is seeking a second term. No Republicans have agreed to meet him in the August 21, 2018 primary. One Democrat will run. The Cook Political Report regards the seat as Solid Republican.

 

 

We at OTYCD relied on raw info from Ballotpedia to assemble this post. See the Ballotpedia home page:

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