Complex sentence: In 2009 the Roanoke MSA had an estimated population of 303,418 residents and is composed of the independent cities of Roanoke and Salem and the counties of Botetourt, Craig, Franklin and Roanoke.
Split into simpler sentences: In 2009 the Roanoke MSA had an estimated population of 303,418 residents. It is composed of the independent cities of Roanoke and Salem, and the counties of Botetourt, Craig, Franklin and Roanoke.