<P> Rapid City ( Lakota : Mni Lúzahaŋ Otȟúŋwahe ; `` Swift Water City '' ) is the second most populous city in South Dakota and the county seat of Pennington County . Named after Rapid Creek , on which the city is established , it is set against the eastern slope of the Black Hills mountain range . The population was 67,956 as of the 2010 Census . </P>
<P> Rapid City ( Lakota : Mni Lúzahaŋ Otȟúŋwahe ; `` Swift Water City '' ) is the second most populous city in South Dakota and the county seat of Pennington County . Named after Rapid Creek , on which the city is established , it is set against the eastern slope of the Black Hills mountain range . The population was 67,956 as of the 2010 Census . </P>
what county is rapid city south dakota in
what county is rapid city south dakota in
Pennington County
Pennington County