This might tell you something:
http://www.rasmussenreports.com/public_content/politics/mood_of_america/generic_congressional_ballot
Generic Congressional Ballot
Tuesday, March 23, 2010
Republicans 43%, Democrats 35%
Here’s my county:
Registered as of 03/18/2010
Democratic: 119,517
Republican: 110,769
Other: 109,750
Total: 340,036