What was the population in 2010 of the city which the radio station KFXS is licensed to serve ?
KFXS: KFXS (100.3 FM, "Classic Rock 100.3 The Fox") is a radio station licensed to serve Rapid City, South Dakota. Rapid City, South Dakota:  The population was 67,956 as of the 2010 Census.
67,956