2019 Prince William County Supervisor (Woodbridge) - Regular General
| Candidate | Spent | Votes |
|---|---|---|
| Franklin, Margaret Angela (D) Winner | $72,607 | 9,852 (95.73%) |
| Principi, Frank (Write-in Candidate; Lost primary election) | $64,403 | None (-) |
2019 Prince William County Supervisor (Woodbridge) - Regular Primary
| Candidate | Spent | Votes |
|---|---|---|
| Franklin, Margaret Angela (D) Winner | $47,216 | 1,231 (54.78%) |
| Principi, Frank* (D) | $64,373 | 1,016 (45.22%) |
2015 Prince William County Supervisor (Woodbridge) - Regular General
| Candidate | Spent | Votes |
|---|---|---|
| Principi, Frank* (D) Winner | $82,543 | 4,025 (62.10%) |
| Chapman, Steve (R) | $21,454 | 1,945 (30.01%) |
| Merrick, Antonio (I) | $1,293 | 475 (7.33%) |
2011 Prince William County Supervisor (Woodbridge) - Regular General
| Candidate | Spent | Votes |
|---|---|---|
| Principi, Frank* (D) Winner | $111,464 | 3,514 (60.85%) |
| Royse, Christopher A (R) | $23,017 | 2,251 (38.98%) |
2007 Prince William County Supervisor (Woodbridge) - Regular General
| Candidate | Spent | Votes | |
|---|---|---|---|
| Principi, Frank (D) Winner | $97,252 | 2,032 (41.69%) |
|
| Keen, Steven (I) | $9,154 | 703 (14.43%) |
|
| Ramirez, Luis (I) | $1,792 | 535 (11.00%) |
|
| Royse, Christopher A (R) | $26,183 | 1,589 (32.66%) |
|
| Barg, Hilda M* (Did not seek re-election) | $113,918 | 0 (0.00%) |
|
2007 Prince William County Supervisor (Woodbridge) - Regular Primary
| Candidate | Spent | Votes |
|---|---|---|
| Principi, Frank (D) Winner | $37,354 | 463 (68.19%) |
| Delimba, George F (D) | $8,390 | 216 (31.81%) |