Donations can be made to political candidates in various amounts. The FEC regulates these donations, and individual groups, excluding PACs, must disclose donations over $250 per year.
The following table lists the top 100 contributions donated to Michael Keith Simpson's campaign in 2019.
| Rank | Date | Amount | Contributor |
|---|---|---|---|
| 1 | 2019-02-12 | $5,600 | Jay Faison |
| 1 | 2019-03-29 | $5,600 | Olga Faison |
| 1 | 2019-03-29 | $5,600 | Paul Segal |
| 1 | 2019-04-15 | $5,600 | Marc A. Brinkmeyer |
| 5 | 2019-06-30 | $2,800 | Poarch Band Of Creek Indians |
| 5 | 2019-12-23 | $2,800 | Anne Carol Holding |
| 5 | 2019-12-23 | $2,800 | Carol O. Holding |
| 5 | 2019-12-23 | $2,800 | Christine Holding |
| 5 | 2019-12-23 | $2,800 | Kathleen Holding |
| 5 | 2019-12-23 | $2,800 | Ross B. Matthews |
| 5 | 2019-12-23 | $2,800 | Stephen Holding |
| 12 | 2019-05-20 | $2,700 | John Scofield |
| 12 | 2019-06-28 | $2,700 | Shakopee Mdewakanton Sioux Community |
| 12 | 2019-10-01 | $2,700 | T.J. Petrizzo |
| 15 | 2019-09-30 | $2,500 | Confederated Tribes Of The Colville |
| 15 | 2019-12-12 | $2,500 | Mark Rey |
| 15 | 2019-12-23 | $2,500 | Lee Crum Lampton |
| 15 | 2019-12-23 | $2,500 | Leslie B. Lampton III |
| 15 | 2019-12-23 | $2,500 | Robert H. Lampton |
| 15 | 2019-12-23 | $2,500 | William W. Lampton |
| 21 | 2019-04-15 | $2,000 | Mark Emmerson |
| 21 | 2019-11-15 | $2,000 | Pechanga Band Of Luiseno Indians |
| 23 | 2019-12-31 | $1,450 | Shakopee Mdewakanton Sioux Community |
| 24 | 2019-03-30 | $1,000 | Puyallup Tribe Of Indians |
| 24 | 2019-06-30 | $1,000 | John Hopkins |
| 24 | 2019-07-08 | $1,000 | Douglas Hunter |
| 24 | 2019-08-21 | $1,000 | Adrian Boer |
| 24 | 2019-08-21 | $1,000 | Alejandro Castaneda |
| 24 | 2019-08-21 | $1,000 | Arie Roeloffs |
| 24 | 2019-08-21 | $1,000 | Bernie Teunissen |
| 24 | 2019-08-21 | $1,000 | Darrel T. Anderson |
| 24 | 2019-08-21 | $1,000 | David Claiborne |
| 24 | 2019-08-21 | $1,000 | Donald L. Gaalswyk |
| 24 | 2019-08-21 | $1,000 | Jason B. Kreizenbeck |
| 24 | 2019-08-21 | $1,000 | John Revier |
| 24 | 2019-08-21 | $1,000 | Robert Naerebout |
| 24 | 2019-09-04 | $1,000 | Jeff L. Malmen |
| 24 | 2019-09-06 | $1,000 | John Jackson |
| 24 | 2019-09-30 | $1,000 | Chickasaw Nation |
| 24 | 2019-09-30 | $1,000 | Milne John |
| 24 | 2019-09-30 | $1,000 | Timothy P. Hecht |
| 24 | 2019-11-22 | $1,000 | William Hollier |
| 43 | 2019-08-21 | $510 | John D. Watts |
| 44 | 2019-08-21 | $505 | C.A. Smyser |
| 45 | 2019-02-12 | $500 | Gail M. Hartnett |
| 45 | 2019-02-12 | $500 | Mary Lyn Barley |
| 45 | 2019-03-14 | $500 | Barry Rhoads |
| 45 | 2019-03-15 | $500 | Glen Tait |
| 45 | 2019-03-15 | $500 | Paul D. Grimm |
| 45 | 2019-03-15 | $500 | Stephen Clark |
| 45 | 2019-03-29 | $500 | Arthur D. Mason |
| 45 | 2019-03-29 | $500 | Kai Anderson |
| 45 | 2019-03-30 | $500 | Nicholas L. Cavarocchi |
| 45 | 2019-03-30 | $500 | Valerie West |
| 45 | 2019-04-15 | $500 | Andrea Howell |
| 45 | 2019-04-15 | $500 | Jack Edlow |
| 45 | 2019-05-16 | $500 | Martin Delgado |
| 45 | 2019-05-20 | $500 | Kimberly A. Jones |
| 45 | 2019-06-13 | $500 | John Easton |
| 45 | 2019-06-14 | $500 | Jay R. Sullivan |
| 45 | 2019-06-14 | $500 | Mark Peters |
| 45 | 2019-06-14 | $500 | Monte Brookshier |
| 45 | 2019-06-14 | $500 | Paul Doucette |
| 45 | 2019-06-25 | $500 | Mason Baker |
| 45 | 2019-06-28 | $500 | John F. Kotek |
| 45 | 2019-06-28 | $500 | Robert Temple |
| 45 | 2019-06-30 | $500 | Robert L. Harris |
| 45 | 2019-07-08 | $500 | Tim McGivern |
| 45 | 2019-07-28 | $500 | Chris Colbert |
| 45 | 2019-08-02 | $500 | Jeffrey Cilek |
| 45 | 2019-08-16 | $500 | Laurel Sayer |
| 45 | 2019-08-16 | $500 | Phillip J. Reberger |
| 45 | 2019-08-20 | $500 | Gail M. Hartnett |
| 45 | 2019-08-21 | $500 | Anthony Vander Hulst Jr. |
| 45 | 2019-08-21 | $500 | Craig Watts |
| 45 | 2019-08-21 | $500 | Kenneth R. McClure |
| 45 | 2019-08-21 | $500 | Michael R. Reynoldson |
| 45 | 2019-08-21 | $500 | Peter Jones |
| 45 | 2019-08-23 | $500 | Hans Carstensen III |
| 45 | 2019-09-29 | $500 | Roy Eiguren |
| 45 | 2019-09-30 | $500 | Paul D. Grimm |
| 45 | 2019-09-30 | $500 | Sydney Johnson |
| 45 | 2019-09-30 | $500 | Thomas Davis |
| 45 | 2019-10-07 | $500 | David Ramey |
| 45 | 2019-10-18 | $500 | Don Heida |
| 45 | 2019-10-25 | $500 | Daniel Ekstein |
| 45 | 2019-11-15 | $500 | George Ramonas |
| 45 | 2019-11-22 | $500 | Sean Todd |
| 45 | 2019-11-22 | $500 | Thomas Harman |
| 45 | 2019-11-22 | $500 | William Mark M. Simmons |
| 45 | 2019-11-25 | $500 | Jeffrey Loveng |
| 45 | 2019-12-23 | $500 | Carolyn N. Fuller |
| 93 | 2019-01-28 | $445 | Jeff Morehouse |
| 94 | 2019-02-12 | $250 | Sarah Chilton |
| 94 | 2019-03-29 | $250 | Glen Tait |
| 94 | 2019-04-15 | $250 | David R. Anderson |
| 94 | 2019-04-15 | $250 | Glen Tait |
| 94 | 2019-05-20 | $250 | Sheryl Bonilla |
| 94 | 2019-05-28 | $250 | Glen Tait |
| 94 | 2019-06-14 | $250 | Alvin Phillips |
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