| Election Name: | 1990 United States House of Representatives elections in California |
| Country: | California |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 1988 United States House of Representatives elections in California |
| Previous Year: | 1988 |
| Next Election: | 1992 United States House of Representatives elections in California |
| Next Year: | 1992 |
| Seats For Election: | All 45 California seats to the United States House of Representatives |
| Party1: | Democratic Party (United States) |
| Last Election1: | 27 |
| Seats1: | 26 |
| Seat Change1: | 1 |
| Popular Vote1: | 3,567,775 |
| Percentage1: | 48.96% |
| Party2: | Republican Party (United States) |
| Last Election2: | 18 |
| Seats2: | 19 |
| Seat Change2: | 1 |
| Popular Vote2: | 3,346,962 |
| Percentage2: | 45.93% |
| Map Size: | 250px |
The United States House of Representatives elections in California, 1990 was an election for California's delegation to the United States House of Representatives, which occurred as part of the general election of the House of Representatives on November 6, 1990. Democrats won one Republican-held seat while Republicans won two Democratic-held seats.
| United States House of Representatives elections in California, 1990 | |||||||
|---|---|---|---|---|---|---|---|
| Party | Votes | % | Before | After | +/– | ||
| Democratic | 3,567,775 | 48.96% | 27 | 26 | -1 | ||
| Republican | 3,346,962 | 45.93% | 18 | 19 | +1 | ||
| Libertarian | 235,984 | 3.24% | 0 | 0 | 0 | ||
| Peace and Freedom | 127,924 | 1.76% | 0 | 0 | 0 | ||
| American Independent | 6,474 | 0.09% | 0 | 0 | 0 | ||
| Write-ins | 1,977 | 0.02% | 0 | 0 | 0 | ||
| Totals | 7,287,096 | 100.00% | 45 | 45 | — | ||
Final results from the Secretary of State of California: https://web.archive.org/web/20080206210944/http://www.sos.ca.gov/elections/sov/90_gen_sov.pdf
| align=center |
| Election Name: | 1990 California's 1st congressional district election |
| Country: | California |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1988 United States House of Representatives elections in California#District 1 |
| Previous Year: | 1988 |
| Next Election: | 1992 United States House of Representatives elections in California#District 1 |
| Next Year: | 1992 |
| Image1: | Frank Riggs.jpg |
| Candidate1: | Frank Riggs |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 99,782 |
| Percentage1: | 43.3% |
| Candidate2: | Douglas H. Bosco |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 96,468 |
| Percentage2: | 41.9% |
| Map Size: | 150px |
| U.S. Representative | |
| Before Election: | Douglas H. Bosco |
| Before Party: | Democratic Party (United States) |
| After Election: | Frank Riggs |
| After Party: | Republican Party (United States) |
Incumbent Representative Douglas H. Bosco ran for re-election. He faced Republican candidate Frank Riggs and Peace and Freedom candidate Darlene G. Comingore. Bosco lost re-election to Rigg by 1.4%, taking 41.9% of the vote to Riggs' 43.3% and Comingore's 14.8%.