The 2013 NCAA men's basketball tournament had teams representing 31 states and the District of Columbia.
These are the states which had teams in the tournament:
Arizona, California, Colorado, Florida, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Tennessee, Virginia, Washington and Wisconsin.
If "this year" is 2013, then the answer is that 62% of the 50 states were represented by teams in the NCAA men's basketball tournament. That also happens to be the samepercentage as 2012.
In 2013, assuming that's what you mean by "this year," the NCAA Men's basketball tournament included teams from 31 states and the District of Columbia.
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In the 2013 NCAA men's basketball tournament, three states were represented by five teams each:California, North Carolina and Pennsylvania. Of these 15 teams, only LaSallefrom Pennsylvania and Duke from North Carolina made it to the Sweet 16.In contrast, the state of Florida had three teams in the Sweet 16: the University of Florida, the University of Miami and Florida Gulf Coast University.
Kentucky has been in the NCAA men's basketball tournament a record 52 times through 2013.
Through 2013, Baylor has been in the NCAA men's basketball tournament seven times.
There is no "college for California" per se, as tournament teams are not selected by state. In 2013, California was represented in the tournament by California, San Diego State and UCLA.
In 2013 it was Bladenboro Middle School!
Through 2013, Butler University has made appearances 12 years in the NCAA men's basketball tournament.
First NCAA tournament was held in 1939. The tournament has been held every year since. As of 2013 there have been 74 championships.
2013 marks the 42nd year that Kansas has participated in the NCAA men's basketball tournament known as "March Madness."
As of the 75th tournament (2013), for which Kentucky failed to receive a bid, Kentucky has appeared in 52 of the tournaments. This is eight more appearances than the school with the second-mostappearances: North Carolina, which made its 44th appearance in the 2013 tourney.