California 30th Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +47.2% |
| 2012 | +47.6% |
| 2016 | +51.3% |
| 2020 | +44.5% |
| 2024 | +39.9% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 30 | D | 68.4%213,100 | 31.6%98,559 | 311,659 |
| 2022 | 30 | D | 100.0%211,068 | 0.0%0 | 211,068 |
| 2020 | 30 | D | 69.5%240,038 | 30.5%105,426 | 345,464 |
| 2018 | 30 | D | 73.4%191,573 | 26.6%69,420 | 260,993 |
| 2016 | 30 | D | 72.6%205,279 | 27.4%77,325 | 282,604 |
| 2014 | 30 | D | 65.6%86,568 | 34.4%45,315 | 131,883 |
| 2012 | 30 | D | 100.0%247,851 | 0.0%0 | 247,851 |
| 2010 | 30 | D | 64.6%153,663 | 31.9%75,948 | 237,747 |
| 2008 | 30 | D | 100.0%242,792 | 0.0%0 | 242,792 |
| 2006 | 30 | D | 71.5%151,284 | 26.4%55,904 | 211,734 |
| 2004 | 30 | D | 71.2%216,682 | 28.8%87,465 | 304,147 |
| 2002 | 30 | D | 70.4%130,604 | 29.6%54,989 | 185,593 |
| 2000 | 30 | D | 83.3%83,223 | 11.8%11,788 | 99,920 |
| 1998 | 30 | D | 82.4%58,230 | 17.6%12,441 | 70,671 |
| 1996 | 30 | D | 72.3%58,283 | 18.7%15,078 | 80,590 |
| 1994 | 30 | D | 66.2%43,943 | 28.2%18,741 | 66,425 |
| 1992 | 30 | D | 58.4%48,800 | 24.0%20,034 | 83,543 |
| 1990 | 30 | D | 58.2%45,456 | 37.0%28,914 | 78,083 |
| 1988 | 30 | D | 59.9%72,253 | 36.3%43,833 | 120,644 |
| 1986 | 30 | D | 62.5%59,369 | 35.5%33,705 | 94,985 |
| 1984 | 30 | D | 51.8%64,378 | 43.4%53,900 | 124,333 |
| 1982 | 30 | D | 53.9%60,905 | 46.1%52,177 | 113,082 |
| 1980 | 30 | D | 72.1%74,119 | 23.5%24,136 | 102,735 |
| 1978 | 30 | D | 71.4%66,241 | 28.6%26,511 | 92,752 |
| 1976 | 30 | D | 74.4%82,767 | 25.6%28,503 | 111,270 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 58.9%9,036,252 | 41.1%6,312,594 | 15,348,846 |
| 2022 | D | 61.1%6,621,621 | 38.9%4,222,029 | 10,843,650 |
| 2018 | D | 100.0%11,113,364 | 0.0%0 | 11,113,364 |
| 2016 | D | 100.0%12,244,170 | 0.0%0 | 12,244,170 |
| 2012 | D | 62.5%7,864,624 | 37.5%4,713,887 | 12,578,511 |
| 2010 | D | 52.2%5,218,441 | 42.2%4,217,366 | 10,000,093 |
| 2006 | D | 59.4%5,076,289 | 35.0%2,990,822 | 8,541,150 |
| 2004 | D | 57.7%6,955,728 | 37.8%4,555,922 | 12,053,242 |
| 2000 | D | 55.8%5,932,522 | 36.6%3,886,853 | 10,623,608 |
| 1998 | D | 53.1%4,410,056 | 43.0%3,575,078 | 8,311,905 |
| 1994 | D | 46.7%3,979,152 | 44.8%3,817,025 | 8,513,916 |
| 1992 | D | 47.9%5,173,467 | 43.0%4,644,182 | 10,799,436 |
| 1988 | R | 44.0%4,287,253 | 52.8%5,143,409 | 9,743,547 |
| 1986 | D | 49.3%3,646,672 | 47.9%3,541,804 | 7,398,462 |
| 1982 | R | 44.8%3,494,968 | 51.5%4,022,565 | 7,805,450 |
| 1980 | D | 56.5%4,704,098 | 37.1%3,091,671 | 8,324,012 |
| 1976 | R | 46.9%3,502,862 | 50.2%3,748,973 | 7,470,586 |
CA-30 anchors the San Fernando Valley's urban core, where dense, diverse communities have backed Democratic presidential nominees by 30-point-plus margins in recent cycles, making it among the most reliably blue districts in the state.
Across the recorded series it reached a Democratic high of 51.3 points in 2016. Between 2020 and 2024 the district moved 4.6 points toward the Republican candidate; the 2024 margin was 39.9 points.
A population of 759,281, a 59% non-Hispanic-white share, and a median household income of $91,711 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 32 and Congressional District 36.
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
California 30th Congressional District. Akashic. https://akashic.app/cd/0630/. Accessed May 20, 2026. License: CC BY 4.0.