The Cook Political Report - Charts - 2010 Senate Race Ratings

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2010 SENATE RACE RATINGS

October 7, 2010

Senate Lineup: 57 Democrats, 41 Republicans, 2 Independent(s)
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 | 19 HELD SEATS

SOLID D (6)

Inouye (HI)

Mikulski (MD)

Schumer (NY-A)

Gillibrand (NY-B)

Wyden (OR)

Leahy (VT)

LIKELY D (1)

DE (Kaufman)

LEAN D (0)

TOSS UP (9)

Boxer (CA)

Bennet (CO)

CT (Dodd)

IL (Burris)

Reid (NV)

PA (Specter)

Murray (WA)

WV (Goodwin)

Feingold (WI)

LEAN R (2)

Lincoln (AR)

IN (Bayh)

LIKELY R (0)

SOLID R (1)

ND (Dorgan)

REPUBLICANS | 18 HELD SEATS

SOLID D (0)

LIKELY D (0)

LEAN D (0)

TOSS UP (2)

KY (Bunning)

MO (Bond)

LEAN R (4)

FL (LeMieux)

Vitter (LA)

NH (Gregg)

OH (Voinovich)

LIKELY R (2)

AK (Murkowski)

Burr (NC)

SOLID R (10)

Shelby (AL)

McCain (AZ)

Isakson (GA)

Crapo (ID)

Grassley (IA)

KS (Brownback)

Coburn (OK)

DeMint (SC)

Thune (SD)

UT (Bennett)

* = potential retirement