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Senate Overview|By Jennifer Duffy, March 5, 2015

If the 2016 Senate races seem to be off to a slow start, it’s because they are – at least in comparison to the last two or three cycles.

Senate FEC Report|February 20, 2015

Senate FEC reports for the fourth quarter of 2014 are now available. Web Editor Ally Flinn has compiled the chart below that provides the year-end numbers for 2014, including cash-on-hand totals for 2016 incumbents, as well as selected U.S. House Members who have been mentioned as potential Senate candidates.

Senate Overview|By Jennifer Duffy, February 6, 2015

Just about two years ago, many Senate observers were sounding the alarm over how “young” the Senate was. Between retirements, resignations, deaths and defeats at the polls, the Senate had seen a 44-percent turnover between 2008 and 2012. In addition, 42 members were in their first terms.

California Senate|By Jennifer Duffy, January 16, 2015

There is no official starting gun in an election cycle. Some believe that it’s the day after the last election, while others tend to look at January 1. At least symbolically, though, a new election cycle for the U.S. Senate might just begin with the first announcement by an incumbent that he/she won’t seek re-election.

Senate Overview|By Jennifer Duffy, December 12, 2014

As any truly seasoned political strategist knows, political parties have good election cycles and bad election cycles. A party can have a favorable political environment, a good electoral map, and few vulnerable seats that enables them to pick up seats and perhaps even the majority one year only to face exactly the opposite set of circumstances two years later. This reversal of fortune will...

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 0 5 6 13 8 22
Toss Up Lean R Likely R Solid R

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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 09:12 AM, Mar 27
  • Race Ratings
    The Cook Political Report's latest ratings for all competitive and potentially competitive Senate seats.
    Updated 09:12 AM, Mar 27
  • 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 07:26 AM, Feb 20
  • 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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