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 all contributions donated to Joaquin Castro's campaign in June.
| Date | Amount | Contributor |
|---|---|---|
| 2020-06-01 | $20 | John Stephens |
| 2020-06-01 | $122 | Brian Hughes |
| 2020-06-01 | $100 | Rebecca Sweeney |
| 2020-06-01 | $3 | Carolyn Pepin |
| 2020-06-01 | $20 | Emalyn Lovitt |
| 2020-06-02 | $250 | Robert N. Johnson |
| 2020-06-05 | $25 | William Armstrong |
| 2020-06-05 | $1,000 | Scott Parven |
| 2020-06-05 | $25 | Lillian Minor |
| 2020-06-07 | $25 | Maria R. Castro |
| 2020-06-08 | $50 | Susana L. Lopez-Krulevitch |
| 2020-06-08 | $100 | Anna Chairetakis |
| 2020-06-10 | $25 | Jan De Bont |
| 2020-06-10 | $25 | Marlene Hawkins |
| 2020-06-12 | $25 | Jennifer G. Robles |
| 2020-06-13 | $25 | Frances Garza-Alvarado |
| 2020-06-14 | $100 | Thomas Lee |
| 2020-06-16 | $250 | Charles Rocha |
| 2020-06-17 | $25 | Norma S. Rodriguez |
| 2020-06-17 | $250 | Jackie Glassman |
| 2020-06-17 | $100 | Jason Speights |
| 2020-06-18 | $1,000 | Brian T. Stansbury |
| 2020-06-18 | $5 | Linda Luna |
| 2020-06-19 | $12 | Kevin Clark |
| 2020-06-20 | $250 | Barbara Moschner |
| 2020-06-20 | $10 | Linda Luna |
| 2020-06-20 | $15 | Christina Huckaba |
| 2020-06-20 | $2,800 | Doreen Wise |
| 2020-06-20 | $14 | Lucy Harmon |
| 2020-06-21 | $25 | Dennis Campa |
| 2020-06-21 | $14 | Lucy Harmon |
| 2020-06-23 | $250 | Barbara Meierhoefer |
| 2020-06-23 | $25 | William Armstrong |
| 2020-06-24 | $50 | Mason Cox |
| 2020-06-24 | $200 | Angela Garza |
| 2020-06-24 | $25 | Fred Evans |
| 2020-06-24 | $250 | Rebekah Gainsley |
| 2020-06-25 | $250 | Debra Hough |
| 2020-06-25 | $500 | Harry Levy |
| 2020-06-25 | $25 | Adrianne Davis |
| 2020-06-26 | $25 | Linda C. Joplin |
| 2020-06-27 | $25 | Judy Richardson |
| 2020-06-27 | $25 | Gloria Mata Pennington |
| 2020-06-27 | $10 | Chris Cox |
| 2020-06-27 | $50 | Dora Olivo |
| 2020-06-27 | $100 | Garrett Vogel |
| 2020-06-27 | $25 | Ron Thomas |
| 2020-06-28 | $100 | Norma S. Rodriguez |
| 2020-06-28 | $20 | Linda Luna |
| 2020-06-28 | $25 | Angela Valenzuela |
| 2020-06-29 | $250 | Juliet Mcbride |
| 2020-06-29 | $25 | Fred Evans |
| 2020-06-29 | $250 | William Little |
| 2020-06-29 | $100 | Carmen Gonzales |
| 2020-06-29 | $100 | Nancy Rogers |
| 2020-06-29 | $25 | Lillian Minor |
| 2020-06-29 | $250 | Colin Cabral |
| 2020-06-29 | $10 | Linda Luna |
| 2020-06-30 | $250 | Catherine Flato |
| 2020-06-30 | $250 | Alex Aguirre |
| 2020-06-30 | $100 | Lissa Martinez |
| 2020-06-30 | $1,000 | William J. Shea |
| 2020-06-30 | $500 | Toni Van Buren |
| 2020-06-30 | $35 | Linda Luna |
| 2020-06-30 | $25 | Lillian Minor |
| 2020-06-30 | $250 | Maruthi Gottimukkala |
| 2020-06-30 | $20 | Diana Ramirez |
| 2020-06-30 | $6 | Stanley Schoenbaum |
| 2020-06-30 | $100 | Patricia Shield Ayres |
| 2020-06-30 | $25 | Becky Moeller |
| 2020-06-30 | $25 | Jan De Bont |
| 2020-06-30 | $25 | Angela Valenzuela |
| 2020-06-30 | $250 | Ann Stevens |
| 2020-06-30 | $250 | Allister Baldwin |
| 2020-06-30 | $25 | Juanita Tijerina |
| 2020-06-30 | $250 | Patricia Smothers |
| 2020-06-30 | $250 | Allison Kassir |
Alerts Sign-up