When Obama took office Democrats held:
• 56 Senate seats. It is 51 now (plus two independents who align mostly with the Democrats).
• 257 seats in the House of Representatives. It is 190 now (there are also three vacancies for seats last held by Democrats).
• 29 of the 50 governorships. It is 20 now.
• 4,073 state legislative seats. It is 3,319 now.