According to College Football Data Warehouse, for the 2007 season there are 111 Division 1AA football teams.
Click on the 'NCAA Division 1-A Teams' link on this page to see the 119 teams that make up the Division 1-A in NCAA football.
There are 250 teams in Division III of college football. However, Division III does not get much attention, and typically only Division I gets shown on television.
As of the 2007 season, there are 119 Division 1-A college football teams. Click on the 'NCAA Division 1-A Schools' link on this page to see a list of them.
As of the 2008 season, there are 119 colleges that play NCAA Division 1A football.
division 1 cant play teams from division 2 unless fcs
There are about 230 Division 1 teams and about as many Division II and III teams. If you include NAIA and junior college ball in the mix you are talking probably close to 1,000 teams.
Something like 154 as of 2011.