Donations made to political groups or candidates must be disclosed under state law for greater transparency in elections. While Congress created the Federal Election Commission to oversee federal elections in 1974, each state is left to regulate its local elections.
| Committee | Amount | Average contribution amount |
|---|---|---|
| California Republican Party - State | $1,026,492 | $54,026 |
| California Hospitals Committee on Issues | $900,000 | $900,000 |
| California Democratic Party | $727,120 | $26,930 |
| San Diego County Democratic Party | $358,000 | $14,320 |
| Hurtado for Senate 2022 | $142,893 | $6,804 |
| Newsom for California Governor 2022 | $109,800 | $7,843 |
| Janet Nguyen for Senate 2022 | $90,419 | $5,023 |
| Republican Party of San Diego County | $84,680 | $5,645 |
| San Francisco Democratic County Central Committee | $81,000 | $40,500 |
| Re-Elect Fiona Ma for State Treasurer 2022 | $78,900 | $3,586 |
| California Dental Association Political Action Committee | $78,274 | $12 |
| Grove for Senate 2022 | $58,770 | $1,781 |
| Democratic Party of Orange County | $51,993 | $6,499 |
| Re-Elect Eleni Kounalakis for Lieutenant Governor 2022 | $47,725 | $4,339 |
| Tehama County Democratic Central Committee | $40,500 | $40,500 |
| Napa County Democratic Central Committee | $40,500 | $40,500 |
| Angelique Ashby for Senate 2022 | $38,300 | $4,256 |
| Susan Rubio for Senate 2022 | $34,100 | $3,410 |
| Ricardo Lara for Insurance Commissioner 2022 | $33,400 | $8,350 |
| Ben Allen for Senate 2022 | $32,900 | $4,113 |
| Mike McGuire for State Senate 2022 | $31,400 | $2,617 |
| Rubio Fighting for California Ballot Measure Committee | $30,000 | $15,000 |
| Jones for Senate 2022 | $29,900 | $1,759 |
| Re-Elect Tony Thurmond for Superintendent of Public Instruction 2022 | $27,300 | $6,825 |
| Los Angeles County Democratic Party - Issues & Advocacy Committee | $26,950 | $13,475 |
| Los Angeles County Democratic Party - State Candidate Committee | $26,500 | $3,786 |
| Anna Caballero for Senate 2022 | $23,600 | $2,950 |
| Maria Elena Durazo Democrat for State Senate 2022 | $21,400 | $7,133 |
| California Trust for Public Land Action Fund, the | $20,000 | $10,000 |
| Kings County Republican Central Committee | $17,340 | $1,445 |
| Colonel Tom Umberg for Senate 2022 | $16,800 | $3,360 |
| Rendon Ballot Measure Committee to Keep California Competitive | $15,000 | $15,000 |
| Bob Archuleta for Senate 2022 | $12,800 | $2,560 |
| Vazquez for State Board of Equalization 2022 | $12,000 | $6,000 |
| Golden State 2020, PAC | $12,000 | $6,000 |
| Placer County Republican Central Committee | $12,000 | $4,000 |
| Alameda County Democratic Central Committee | $11,000 | $2,200 |
| One California for a Stronger California, Chris Holden Ballot Measure Committee | $10,000 | $10,000 |
| Senator Susan Rubio Ballot Measure Committee | $10,000 | $10,000 |
| Libertarian Party of California | $5,687 | $1,896 |
| Inland Empire Taxpayers Association | $5,500 | $5,500 |
| San Joaquin County Democratic Central Committee | $4,500 | $4,500 |
| Santa Clara County Democratic Central Committee United Democratic Campaign | $3,500 | $1,750 |
| Taxpayers for Gaines for Board of Equalization 2022 | $3,000 | $1,000 |
| Democratic Central Committee of Marin | $2,000 | $1,000 |
| Madera County Republican Central Committee | $1,700 | $1,700 |
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