# Maryland Legislative District 34

Maryland's Legislative District 34 is one of 47 districts in the state for the Maryland General Assembly. It covers part of Harford County. The district is divided into two sub-districts for the Maryland House of Delegates: District 34A and District 34B.

## Demographic characteristics

As of the 2020 United States census, the district had a population of 130,756, of whom 100,673 (77.0%) were of voting age. The racial makeup of the district was 79,968 (61.2%) White, 31,304 (23.9%) African American, 466 (0.4%) Native American, 4,377 (3.3%) Asian, 72 (0.1%) Pacific Islander, 3,894 (3.0%) from some other race, and 10,605 (8.1%) from two or more races. Hispanic or Latino of any race were 9,281 (7.1%) of the population.
The district had 89,715 registered voters as of October 17, 2020, of whom 19,265 (21.5%) were registered as unaffiliated, 30,008 (33.4%) were registered as Republicans, 38,955 (43.4%) were registered as Democrats, and 822 (0.9%) were registered to other parties.

## Political representation

The district is represented for the 2023–2027 legislative term in the State Senate by Mary-Dulany James (D) and in the House of Delegates by Steven C. Johnson (D, District 34A), Andre Johnson Jr. (D, District 34A) and Susan K. McComas (R, District 34B).

## Election history

| Session | Senate |
| 1986–1989 | Catherine Riley (D) |
| 1990–1993 | Habern W. Freeman (D) |
| 1994–1997 | David R. Craig (R) |
| 1998–2001 | Nancy Jacobs (R) |
| 2002–2005 | Nancy Jacobs (R) |
| 2006–2009 | Nancy Jacobs (R) |
| 2010–2013 | Nancy Jacobs (R) |
| 2014–2017 | Bob Cassilly (R) |
| 2018–2022 | Bob Cassilly (R) |
| 2022–present | Mary-Dulany James (D) |

## Election results, 1986-present
### Senate

Maryland general election, 2018 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Bob Casilly (incumbent) | 24,445 | 50.1 | 7.1 |
| | Democratic | Mary-Dulany James | 24,256 | 49.7 | 7.0 |
| Total votes | Total votes | Total votes | 48,788 | 100.0 | |
Maryland general election, 2014 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Bob Casilly | 22,042 | 57.2 | 1.3 |
| | Democratic | Mary-Dulany James | 16,459 | 42.7 | 1.2 |
| Total votes | Total votes | Total votes | 38,563 | 100.0 | |
Maryland general election, 2010 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Nancy Jacobs (incumbent) | 22,358 | 55.9 | 1.4 |
| | Democratic | Arthur Henry Helton Jr. | 17,540 | 43.9 | 1.2 |
| Total votes | Total votes | Total votes | 39,977 | 100.0 | |
Maryland general election, 2006 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Nancy Jacobs (incumbent) | 21,601 | 57.3 | 3.1 |
| | Democratic | William B. Kilby | 16,108 | 42.7 | 3.2 |
| Total votes | Total votes | Total votes | 37,727 | 100.0 | |
Maryland general election, 2002 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Nancy Jacobs (incumbent) | 20,474 | 60.4 | 10.4 |
| | Democratic | Arthur Henry Helton Jr. | 13,399 | 39.5 | 10.5 |
| Total votes | Total votes | Total votes | 33,918 | 100.0 | |
Maryland general election, 1998 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Nancy Jacobs | 18,996 | 50 | 4 |
| | Democratic | Mary Louise Preis | 18,857 | 50 | 4 |
| Total votes | Total votes | Total votes | 37,853 | 100.0 | |
Maryland general election, 1994 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | David R. Craig | 17,444 | 54 | 54 |
| | Democratic | Habern W. Freeman (incumbent) | 14,676 | 46 | 54 |
| Total votes | Total votes | Total votes | 32,120 | 100.0 | |
Maryland general election, 1990 :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Habern W. Freeman | 19,050 | 100 | 20 |
| Total votes | Total votes | Total votes | 19,050 | 100.0 | |
Maryland general election, 1986 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Catherine Riley (incumbent) | 17,473 | 80 |
| | Republican | Francis J. Eurice | 4,374 | 20 |
| Total votes | Total votes | 21,847 | 100.0 | |