| District | Counties represented | | Delegate | Party | First elected | Committee |
| Allegany, Garrett | | | Republican | 2006 | Health and Government Operations |
| Allegany | | | Democratic | 1986 | Judiciary |
| Allegany, Washington | | | Republican | 2002 | Appropriations |
| Washington | | | Republican | 2008 | Ways and Means |
| Washington | | | Republican | 1998 | Judiciary |
| Washington | | | Democratic | 1990 | Health and Government Operations |
| Frederick | | | Democratic | 2002 | Appropriations |
| Frederick | | | Democratic | 1994 | Economic Matters |
| Frederick, Washington | | | Republican | 2010 | Health and Government Operations |
| Frederick | | | Republican | 1998 | Ways and Means |
| Frederick | | | Republican | 1994 | Environmental Matters |
| Carroll, Frederick | | | Republican | 1986 | Health and Government Operations |
| Carroll | | | Republican | 2004 | Environmental Matters |
| Carroll | | | Republican | 1994 | Appropriations |
| Carroll, Baltimore County | | | Republican | 1974 | Health and Government Operations |
| Baltimore County | | | Democratic | 1988 | Economic Matters |
| Baltimore County | | | Democratic | 2006 | Ways and Means |
| Baltimore County | | | Democratic | 2002 | Environmental Matters |
| Baltimore County, Harford | | | Republican | 2002 | Economic Matters |
| Baltimore County, Harford | | | Republican | 2002 | Ways and Means |
| Baltimore County, Harford | | | Republican | 1978 | Health and Government Operations |
| Baltimore County | | | Democratic | 2006 | Judiciary |
| Baltimore County | | | Democratic | 2002 | Health and Government Operations |
| Baltimore County | | | Republican | 2002 | Environmental Matters |
| Howard | | | Republican | 2002 | Appropriations |
| Howard | | | Republican | 2003 | Economic Matters |
| Carroll | | | Republican | 2002 | Ways and Means |
| 10 | Baltimore County | | | Democratic | 1994 | Economic Matters |
| 10 | Baltimore County | | | Democratic | 1997 | Appropriations |
| 10 | Baltimore County | | | Democratic | 1994 | Health and Government Operations |
| 11 | Baltimore County | | | Democratic | 2002 | Ways and Means |
| 11 | Baltimore County | | | Democratic | 1994 | Health and Government Operations |
| 11 | Baltimore County | | | Democratic | 2002 | Environmental Matters |
| Baltimore County, Howard | | | Democratic | 2002 | Appropriations |
| Baltimore County, Howard | | | Democratic | 1994 | Environmental Matters |
| Howard | | | Democratic | 1994 | Environmental Matters |
| 13 | Howard | | | Democratic | 1994 | Health and Government Operations |
| 13 | Howard | | | Democratic | 2006 | Appropriations |
| 13 | Howard | | | Democratic | 1994 | Ways and Means |
| 14 | Montgomery | | | Democratic | 2002 | Ways and Means |
| 14 | Montgomery | | | Democratic | 2002 | Health and Government Operations |
| 14 | Montgomery | | | Democratic | 2002 | Economic Matters |
| 15 | Montgomery | | | Democratic | 2006 | Ways and Means |
| 15 | Montgomery | | | Democratic | 2002 | Judiciary |
| 15 | Montgomery | | | Democratic | 2002 | Economic Matters |
| 16 | Montgomery | | | Democratic | 1998 | Appropriations |
| 16 | Montgomery | | | Democratic | 2007 | Ways and Means |
| 16 | Montgomery | | | Democratic | 2002 | Judiciary |
| 17 | Montgomery | | | Democratic | 1990 | Ways and Means |
| 17 | Montgomery | | | Democratic | 2006 | Ways and Means |
| 17 | Montgomery | | | Democratic | 1978 | Judiciary |
| 18 | Montgomery | | | Democratic | 2002 | Appropriations |
| 18 | Montgomery | | | Democratic | 2007 | Environmental Matters |
| 18 | Montgomery | | | Democratic | 2006 | Judiciary |
| 19 | Montgomery | | | Democratic | 1986 | Appropriations |
| 19 | Montgomery | | | Democratic | 2006 | Judiciary |
| 19 | Montgomery | | | Democratic | 2006 | Economic Matters |
| 20 | Montgomery | | | Democratic | 2006 | Environmental Matters |
| 20 | Montgomery | | | Democratic | 1976 | Ways and Means |
| 20 | Montgomery | | | Democratic | 2006 | Health and Government Operations |
| 21 | Anne Arundel, Prince George's | | | Democratic | 1994 | Environmental Matters |
| 21 | Anne Arundel, Prince George's | | | Democratic | 2006 | Judiciary |
| 21 | Anne Arundel, Prince George's | | | Democratic | 2006 | Health and Government Operations |
| 22 | Prince George's | | | Democratic | 2001 | Appropriations |
| 22 | Prince George's | | | Democratic | 1990 | Environmental Matters |
| 22 | Prince George's | | | Democratic | 2002 | Ways and Means |
| Prince George's | | | Democratic | 2006 | Judiciary |
| Prince George's | | | Democratic | 1992 | Health and Government Operations |
| Prince George's | | | Democratic | 2002 | Environmental Matters |
| 24 | Prince George's | | | Democratic | 1990 | Health and Government Operations |
| 24 | Prince George's | | | Democratic | 1988 | Ways and Means |
| 24 | Prince George's | | | Democratic | 2002 | Economic Matters |
| 25 | Prince George's | | | Democratic | 2006 | Economic Matters |
| 25 | Prince George's | | | Democratic | 1994 | Economic Matters |
| 25 | Prince George's | | | Democratic | 1998 | Appropriations |
| 26 | Prince George's | | | Democratic | 2006 | Judiciary |
| 26 | Prince George's | | | Democratic | 2006 | Ways and Means |
| 26 | Prince George's | | | Democratic | 2002 | Health and Government Operations |
| Calvert, Prince George's | | | Democratic | 1990 | Appropriations |
| Calvert, Prince George's | | | Democratic | 1974 | Judiciary |
| Calvert | | | Democratic | 2004 | Health and Government Operations |
| 28 | Charles | | | Democratic | 2006 | Ways and Means |
| 28 | Charles | | | Democratic | 2002 | Economic Matters |
| 28 | Charles | | | Democratic | 2004 | Appropriations |
| Charles, St. Mary's | | | Democratic | 1986 | Appropriations |
| St. Mary's | | | Democratic | 1999 | Appropriations |
| Calvert, St. Mary's | | | Republican | 1994 | Environmental Matters |
| 30 | Anne Arundel | | | Democratic | 1986 | Speaker of the House of Delegates |
| 30 | Anne Arundel | | | Democratic | 1994 | Environmental Matters |
| 30 | Anne Arundel | | | Republican | 2006 | Ways and Means |
| 31 | Anne Arundel | | | Republican | 2002 | Health and Government Operations |
| 31 | Anne Arundel | | | Republican | 2006 | Judiciary |
| 31 | Anne Arundel | | | Republican | 2006 | Appropriations |
| 32 | Anne Arundel | | | Democratic | 2006 | Environmental Matters |
| 32 | Anne Arundel | | | Democratic | 1993 | Economic Matters |
| 32 | Anne Arundel | | | Democratic | 1992 | Appropriations |
| Anne Arundel | | | Republican | 2006 | Economic Matters |
| Anne Arundel | | | Republican | 2002 | Judiciary |
| Anne Arundel | | | Republican | 2002 | Health and Government Operations |
| Cecil, Harford | | | Democratic | 1998 | Health and Government Operations |
| Cecil, Harford | | | Democratic | 1998 | Appropriations |
| Cecil | | | Democratic | 1994 | Economic Matters |
| Harford | | | Republican | 2007 | Environmental Matters |
| Harford | | | Republican | 2006 | Economic Matters |
| Harford | | | Republican | 2002 | Judiciary |
| 36 | Caroline, Cecil, Kent, Queen Anne's | | | Republican | 2002 | Judiciary |
| 36 | Caroline, Cecil, Kent, Queen Anne's | | | Republican | 2002 | Environmental Matters |
| 36 | Caroline, Cecil, Kent, Queen Anne's | | | Republican | 1994 | Economic Matters |
| Dorchester, Wicomico | | | Democratic | 1998 | Environmental Matters |
| Caroline, Dorchester, Talbot, Wicomico | | | Republican | 1994 | Appropriations |
| Caroline, Dorchester, Talbot, Wicomico | | | Republican | 2002 | Economic Matters |
| Somerset, Wicomico | | | Republican | 2002 | Ways and Means |
| Wicomico, Worcester | | | Democratic | 1986 | Appropriations |
| Wicomico, Worcester | | | Democratic | 2006 | Economic Matters |
| 39 | Montgomery | | | Democratic | 1998 | Appropriations |
| 39 | Montgomery | | | Democratic | 2007 | Health and Government Operations |
| 39 | Montgomery | | | Democratic | 2006 | Environmental Matters |
| 40 | Baltimore City | | | Democratic | 2006 | Judiciary |
| 40 | Baltimore City | | | Democratic | 2006 | Appropriations |
| 40 | Baltimore City | | | Democratic | 2006 | Health and Government Operations |
| 41 | Baltimore City | | | Democratic | 2002 | Judiciary |
| 41 | Baltimore City | | | Democratic | 1982 | Health and Government Operations |
| 41 | Baltimore City | | | Democratic | 1982 | Judiciary ' |
| 42 | Baltimore County | | | Democratic | 2006 | Environmental Matters |
| 42 | Baltimore County | | | Republican | 2002 | Appropriations |
| 42 | Baltimore County | | | Republican | 2002 | Judiciary |
| Maryland [House of Delegates District 43|43] | Baltimore City | | | Democratic | 1982 | Judiciary |
| 43 | Baltimore City | | | Democratic | 1986 | Ways and Means ' |
| 43 | Baltimore City | | | Democratic | 1992 | Environmental Matters ' |
| 44 | Baltimore City | | | Democratic | 2002 | Appropriations |
| 44 | Baltimore City | | | Democratic | 1982 | Economic Matters |
| 44 | Baltimore City | | | Democratic | 2006 | Ways and Means |
| 45 | Baltimore City | | | Democratic | 1994 | Appropriations |
| 45 | Baltimore City | | | Democratic | 2006 | Environmental Matters |
| 45 | Baltimore City | | | Democratic | 1973 | Economic Matters |
| 46 | Baltimore City | | | Democratic | 1994 | Health and Government Operations ' |
| 46 | Baltimore City | | | Democratic | 1990 | Economic Matters |
| 46 | Baltimore City | | | Democratic | 1990 | Economic Matters |
| 47 | Prince George's | | | Democratic | 2006 | Ways and Means |
| 47 | Prince George's | | | Democratic | 2002 | Environmental Matters |
| 47 | Prince George's | | | Democratic | 2002 | Judiciary |