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Senate Overview|By Jennifer Duffy, November 20, 2015

The election is now just a mere 354 days away. While this cycle’s 34 Senate races got off to a slow start compared with recent elections, they began to ramp up over the summer and into the fall. The Senate race landscape is now much clearer, even if the overall political environment isn’t yet.

Senate FEC Report|November 5, 2015

Senate FEC reports for the third quarter of the 2016 election cycle are now available. Web Editor Ally Flinn has compiled the chart below that provides the cash-on-hand totals for incumbents, as well as selected U.S. House Members who have announced or who have been mentioned as potential Senate candidates.

Iowa Senate|By Jennifer Duffy, October 30, 2015

If presidential performance was the only factor that determined the outcome of U.S. Senate races then Republican Sen. Chuck Grassley would have a lot to be worried about in his bid for a seventh term. President Obama carried Iowa by six points in 2012. Fortunately for Grassley, many factors go into

New Hampshire Senate|By Jennifer Duffy, October 23, 2015

As she seeks a second term, Republican U.S. Sen. Kelly Ayotte is sitting at the center of what is shaping up to be one of the most epic battles of the cycle. Democrats’ scored their biggest recruiting coup thus far when Democratic Gov. Maggie Hassan announced that she would run. The result is a contest between the two most popular politicians in the state. One Republicans strategist...

Arkansas Senate|By Jennifer Duffy, September 25, 2015

Republican U.S. Sen. John Boozman won this seat in 2010 by defeating then-Democratic Sen. Blanche Lincoln by a whopping 21 points. Not coincidently, the race was never really about him. It was all about Lincoln, and whether her infrequent trips back to the state were a sign that she had lost touch, and whether her votes in favor of the economic stimulus legislation and healthcare reform meant...

Senate Dashboard

Seats Up in 2016 Toss Up Lean D Likely D Solid D Seats Up in 2018 Seats Up in 2020
Democrats (45) 10 1 1 1 7 24 11
Republicans (54) 24 4 3 5 12 8 22
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 02:09 PM, Nov 19
  • Race Ratings
    The Cook Political Report's latest ratings for all competitive and potentially competitive Senate seats.
    Updated 09:18 AM, Nov 23
  • 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, Sep 12
  • FEC Report
    A summary of key financial information filed by Senate candidates with the Federal Election Commission.
    Updated 03:44 PM, Nov 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 Senior Editor for The Cook Political Report, where she is responsible for U.S. Senate and Governors races.
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