Complex sentence: In a summer election of 1962, Rohnert Park was incorporated, comprising, housing an estimated 2,775 persons, the first town in Sonoma County to incorporate since 1905.
Split into simpler sentences: In a summer election in 1962, Rohnert Park was incorporated, comprising, housing an estimated 2,775 persons. It was the first town to incorporate in Sonoma County since 1905.