Maryland House of Delegates District 9A is one of the 67 districts that compose the Maryland House of Delegates.

Along with subdistrict 9B, it makes up the 9th district of the Maryland Senate.

[1] As of the 2020 United States census, the district had a population of 97,589, of whom 74,024 (75.9%) were of voting age.

The racial makeup of the district was 66,430 (68.1%) White, 5,989 (6.1%) African American, 169 (0.2%) Native American, 17,490 (17.9%) Asian, 28 (0.0%) Pacific Islander, 1,193 (1.2%) from some other race, and 6,304 (6.5%) from two or more races.

[2][3] Hispanic or Latino of any race were 3,821 (3.9%) of the population.