Tribal casinos took in $27.2 billion in 2011, with gains seen in all regions of the U.S., the National Indian Gaming Commission reported.

The figure represents gross gaming revenues for 237 tribes and 421 facilities. It marks a 3 percent gain from 2010.

The region that includes California saw $6.9 billion in revenues at 63 facilities, up from $6.8 billion in 2010. The region that includes Connecticut and New York saw $6.7 billion in revenues at 27 facilities, a slight increase from 2010.

The region that includes Minnesota, Michigan and Wisconsin saw $4.6 billion in revenues at 119 facilities, up from $4.4 billion in 2010. The region that includes Washington saw $2.8 billion at 49 facilities, up from $2.7 billion, while the region that includes Arizona saw $2.6 billion in revenues at 48 facilities, up from $2.5 billion.

Oklahoma falls into two regions -- the one covering the western part of the state saw $1.7 billion at 51 facilities, up from $1.6 billion. The region that includes the eastern part saw $1.9 billion at 64 facilities, up from $1.8 billion.

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Press Release: 2011 Indian Gaming Revenues Increased 3% (NIGC 7/17)