The House of Representatives, the lower house of the bicameral state Legislature, is composed of 160 members elected from 14 counties, each divided into single-member electoral districts. Each member represents about 40,000 residents; their districts are named for the counties they are in. Representatives serve two-year terms with no term limits. In the current session, there are 127 Democrats and 33 Republicans. The current Speaker of the House is Democrat Robert DeLeo of the 19th Suffolk District (Winthrop). The majority leader is Ronald Mariano of the 3rd Norfolk District (Quincy). The Republican minority leader is Bradley Jones Jr. of the 20th Middlesex District (North Reading).