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Iowa Senate|By Jennifer Duffy, July 18, 2014

Democratic Sen. Tom Harkin’s decision to retire at the end of this Congress after serving five terms has created an opening for Republicans in this swing state. With the primary behind them, Republicans are positioned to make the most of that opportunity. State Sen. Joni Ernst took 56 percent to win the nomination on June 3. If no candidate had gotten 35 percent of the vote, the nomination...

National Politics|By Charlie Cook, July 11, 2014

While I have never seen anyone literally thrown under a bus, I would imagine it is quite a grisly sight. In politics, we occasionally see someone throw an individual or a group on their own team under one. That is not a pretty sight either. Early this year, we saw Senate Democrats throw their House brethren under the proverbial bus with a Jan. 29 story in Politico headlined, “Democrats: Cede...

Kentucky Senate|By Jennifer Duffy, June 27, 2014

There may not be any Senate race on the ballot this cycle that Democrats want to win more – or that Republicans are more determined to hold – than the contest in Kentucky where Senate Minority Leader Mitch McConnell is seeking a sixth term. McConnell’s challenger is Democratic Secretary of State Alison Lundergan Grimes. While both parties acknowledge that this will be a very close race,...

Senate Overview|By Jennifer Duffy, June 20, 2014

South Carolina: South Carolina is one of the most Republican states in the country, and its Republican Party is among the most conservative. According to the National Journal vote ratings, Graham ranked as the chamber’s 40th most conservative Senator in 2013, which is not nearly conservative enough for some party activists. As a result Tea Party activists threatened to give Graham a very...

Senate Overview|By Jennifer Duffy, June 13, 2014

Just minutes after House Majority Leader Eric Cantor lost his Republican primary contest on Tuesday night, emails started arriving claiming that the Tea Party had spoken, and that Republican Senator Cochran/Alexander/Roberts would be the next Eric Cantor. Some in the media have also picked up on this theme. But, is there really another Eric Cantor out there, or are incumbents more likely to...

Senate Dashboard

Seats Up in 2014 Toss Up Lean D Likely D Solid D Seats Up in 2016 Seats Up in 2018
Democrats (54) 21 7 1 3 7 10 24
Republicans (45) 15 2 2 2 12 24 8
Toss Up Lean R Likely R Solid R

Senate Race Ratings Map

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  • At-A-Glance
    A listing of candidates and race ratings in all current Senate races. Updated weekly and printable for on-the-run reference.
    Updated 08:00 AM, Jul 25
  • Race Ratings
    The Cook Political Report's latest ratings for all competitive and potentially competitive Senate seats.
    Updated 08:00 AM, Jul 18
  • General Election Polls
    A selection of public opinion polling in Senate general election contests across the nation.
  • Primary Trial Heats
    A selection of public opinion polling in Senate primary election contests across the nation.
    Updated 08:00 AM, Jul 25
  • FEC Report
    A summary of key financial information filed by Senate candidates with the Federal Election Commission.
    Updated 08:00 AM, May 2
  • 2014 Battleground Chart
    2014 Senate Races: Romney Performance vs. Obama Performance
    November 12, 2012
  • 2012 Senate General Election Polls with Final Results
    A collection of polling data from the 2012 cycle, with final general election results included.
  • Two-Term Presidents: Post-WWII Partisan Trends
    Opposing party gains under and following second term presidents.
  • Senate Scatterplot
    The Cook Political Report Senate Scatterplot for Republican and Democratic held states by win percentage and PVI.
  • Senate: 2014 55% and Under Charts
    The chart below displays Senators up for reelection in 2014 who won with less than 55% of the vote in 2008.

Jennifer Duffy, Senior Editor

Jennifer Duffy is a Senior Editor for The Cook Political Report, where she is responsible for U.S. Senate and Governors races.
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