A new Washington Post/ABC News poll shows that 51% of Americans disapprove of the job their current Representative in the House is doing, with just 41% approving. That's the lowest approval rating Americans have given their own member of Congress in decades.
Even if it's a "throw the bums out and clean house" election, at absolute minimum 85% of those members will be re-elected in November anyway, and more than likely that number will top 90%. 97% + of House seats will remain in the same party that they are represented by now.
In the immortal words of Sean Connery in The Untouchables, "Here endeth the lesson."