

Introduction
Robert Dickson "Bobby" Orrock, Sr. (born November 13, 1955) is an American politician. Since 1990 he has been a member of the Virginia House of Delegates, representing the 54th district in the east central part of the state, including parts of Caroline and Spotsylvania Counties. He is a member of the Republican Party.
Orrock has been a member of the House committee on Health, Welfare and Institutions since he first became a delegate; he has chaired that committee since 2010. He also has served on the committees on Agriculture (1990–1993 and 1995–2001, co-chair 2000–2001), Agriculture, Chesapeake and Natural Resources (2002–),Chesapeake and Its Tributaries (1990–1994), Counties, Cities and Towns (1994–2009), Finance (1998–), Mining and Mineral Resources (2000–2001), and Rules (2012–).
Early life, education, career
Orrock was born in Fredericksburg, Virginia. He attended Ladysmith High School in Caroline County, graduating in 1974. After two years at Germanna Community College, he transferred to Virginia Tech, receiving a B.S. degree in agriculture education in 1978. He received an M.Ed. degree in the same subject from Virginia State University in 1988.
Orrock is a teacher at Spotsylvania High School.
Electoral history
| Date | Election | Candidate | Party | Votes | % |
|---|---|---|---|---|---|
| Virginia House of Delegates, 54th district | |||||
| Nov 7, 1989 | General | Robert Dickson Orrock, Sr. | Republican | 10,383 | 54.50 |
| Robert Wayne Ackerman | Democratic | 8,665 | 45.49 | ||
| Write Ins | 2 | 0.01 | |||
| Incumbent lost; seat switched from Democratic to Republican | |||||
| Nov 5, 1991 | General | Robert Dickson Orrock, Sr. | Republican | 8,071 | 56.22 |
| Layton R. Fairchild, Jr. | Democratic | 6,286 | 43.78 | ||
| Nov 2, 1993 | General | Robert Dickson Orrock, Sr. | Republican | 11,397 | 68.85 |
| James B. Smith | Democratic | 5,149 | 31.11 | ||
| Write Ins | 7 | 0.04 | |||
| Nov 7, 1995 | General | R D Orrock | Republican | 13,153 | 82.30 |
| S L Shelton | 2,828 | 17.69 | |||
| Write Ins | 1 | 0.01 | |||
| Nov 4, 1997 | General | Robert D. "Bobby" Orrock | Republican | 14,948 | 99.59 |
| Write Ins | 61 | 0.41 | |||
| Nov 2, 1999 | General | R D Orrock | Republican | 13,006 | 99.30 |
| Write Ins | 92 | 0.70 | |||
| Nov 6, 2001 | General | R D Orrock | Republican | 13,930 | 98.11 |
| Write Ins | 268 | 1.89 | |||
| Nov 4, 2003 | General | R D Orrock | Republican | 10,745 | 98.33 |
| Write Ins | 183 | 1.67 | |||
| Nov 8, 2005 | General | R D Orrock | Republican | 15,549 | 96.33 |
| Write Ins | 592 | 3.67 | |||
| Nov 6, 2007 | General | R. D. "Bobby" Orrock | Republican | 11,451 | 73.70 |
| Kimbra L. Kincheloe | 4,067 | 26.17 | |||
| Write Ins | 18 | 0.11 | |||
| Nov 3, 2009 | General | Robert D. "Bobby" Orrock | Republican | 17,560 | 97.93 |
| Write Ins | 371 | 2.06 | |||
| Nov 8, 2011 | General | Robert D. "Bobby" Orrock | Republican | 11,338 | 73.15 |
| Matthew D. Simpson | 3,874 | 24.99 | |||
| Write Ins | 286 | 1.84 | |||
| Jun 11, 2013 | Republican primary | Robert D. "Bobby" Orrock | 1,277 | 56.03 | |
| Dustin R. Curtis | 1,002 | 43.97 | |||