Norfolk and Suffolk is a district of the Massachusetts Senate. It covers 13.1% of Norfolk County and 9.4% of Suffolk County population in 2010. Democrat Mike Rush of West Roxbury has represented the district since 2011. In Suffolk County, the district currently encompasses Boston Wd. 18, Pcts. 9, 10, 16-20, 23; Wd. 19, Pcts. 10-13; and Wd. 20. In Norfolk County, the district currently encompasses Dover, Dedham, Needham Pcts. D-H, Norwood and Westwood.