Maryland's legislative district 4
Represents parts of Frederick County and Carroll County
Senator	William Folden (R)
Delegate(s)	Barrie S. Ciliberti (R) April Fleming Miller (R) Jesse T. Pippy (R)
Registration	45.2% Republican 30.9% Democratic 22.8% unaffiliated
Demographics	82.1% White 4.1% Black/African American 0.3% Native American 3.7% Asian 0.1% Hawaiian/Pacific Islander 2.3% Other race 7.6% Two or more races 6.5% Hispanic
Population (2020)	141,284
Voting-age population	107,625
Registered voters	102,375

Maryland's Legislative District 4 is one of 47 districts in the state for the Maryland General Assembly. It covers parts of Frederick County and Carroll County.^[1]

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.^[2][3] Hispanic or Latino of any race were 9,166 (6.5%) of the population.^[4]

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.^[5]

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).^[6][7]