Maryland Legislative District 4 is one of 47 districts in the state for the Maryland General Assembly. It covers part of Frederick County. Three delegates represent the district in the Maryland House of Delegates.

History The constituency of District 4 was parts of Frederick County and Carroll County up until the 2020 United States redistricting cycle when its constituency changed to part of Frederick County.

Demographic characteristics As of the 2020 United States census, the district had a population of 141,284, of whom 107,625 (76.2%) were of voting age. The racial makeup of the district was 115,959 (82.1%) White, 5,755 (4.1%) African American, 389 (0.3%) Native American, 5,177 (3.7%) Asian, 85 (0.1%) Pacific Islander, 3,197 (2.3%) from some other race, and 10,736 (7.6%) from two or more races. Hispanic or Latino of any race were 9,166 (6.5%) of the population.

The district had 102,375 registered voters as of October 17, 2020, of whom 23,301 (22.8%) were registered as unaffiliated, 46,243 (45.2%) were registered as Republicans, 31,657 (30.9%) were registered as Democrats, and 455 (0.4%) were registered to other parties.

Political representation The district is represented for the 2023–2027 legislative term in the State Senate by William Folden (R) and in the House of Delegates by Barrie S. Ciliberti (R), April Fleming Miller (R) and Jesse T. Pippy (R).

Election history Multi-member Senate district (1967–1975) Year District 4-A District 4-B District 4-C 1967 Edward T. Conroy Meyer M. Emanuel Jr. Royal Hart Fred L. Wineland Steny Hoyer 1968 1969 1970 1971 William J. Goodman Peter A. Bozick 1972 1973 1974

Single-member Senate district (1975–present) Years Senator Party Electoral history January 18, 1967–January 11, 1995 Charles H. Smelser Democratic Redistricted from the 2nd district and re-elected in 1974.Re-elected in 1978.Re-elected in 1982.Re-elected in 1986.Re-elected in 1990.Retired. January 11, 1995–January 8, 2003 Timothy R. Ferguson RepublicanElected in 1994.Re-elected in 1998.Lost renomination. January 8, 2003–January 15, 2015 David R. Brinkley RepublicanElected in 2002.Re-elected in 2006.Re-elected in 2010.Lost renomination. January 15, 2015–January 11, 2023 Michael Hough RepublicanElected in 2014.Re-elected in 2018.Retired to run for Frederick County Executive. January 11, 2023–present William Folden RepublicanElected in 2022.

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