The Cook Political Report - Charts - 2010 Senate Race Ratings

The Insider's Choice for Election Analysis

2010 SENATE RACE RATINGS

March 5, 2009

Senate Lineup: 56 Democrats, 42 Republicans, 2 Independents
Senators with names in parentheses are retiring.

The chart below provides a spectrum that analyzes the vulnerability (the chances of the seat switching parties) of the Senate races up this cycle.

Solid: These races are not considered competitive and are not likely to become closely contested.
Likely: These seats are not considered competitive at this point but have the potential to become engaged.
Lean: These are considered competitive races but one party has an advantage.
Toss Up: These are the most competitive races; either party has a good chance of winning.

DEMOCRATS | 17 HELD SEATS

SOLID D (9)

Lincoln (AR)

DE (Kaufman)

Inouye* (HI)

Bayh (IN)

Mikulski (MD)

Schumer (NY-A)

Gillibrand (NY-B)

Wyden (OR)

Leahy (VT)

LIKELY D (6)

Boxer (CA)

Dodd (CT)

Reid (NV)

Dorgan (ND)

Murray (WA)

Feingold (WI)

LEAN D (1)

Bennet (CO)

TOSS UP (1)

Burris (IL)

LEAN R (0)

LIKELY R (0)

SOLID R (0)

REPUBLICANS | 20 HELD SEATS

SOLID D (0)

LIKELY D (0)

LEAN D (0)

TOSS UP (5)

FL (Martinez)

Bunning* (KY)

MO (Bond)

NH (Gregg)

OH (Voinovich)

LEAN R (2)

Vitter (LA)

Specter (PA)

LIKELY R (2)

Burr (NC)

Coburn (OK)

SOLID R (11)

Shelby (AL)

Murkowski (AK)

McCain (AZ)

Isakson (GA)

Crapo (ID)

Grassley* (IA)

KS (Brownback)

DeMint (SC)

Thune (SD)

Bailey Hutchison (TX)

Bennett (UT)

* = potential retirement