explore / Contest Page
Use this 2018 House overview to scan the chamber map for California, then route into any district contest for full evidence and history.
Evidence & provenance
Source owners
Certified House returns, academic county datasets, and district boundary files.
Freshness
Rendered Apr 14, 2026 from the latest statewide House tables loaded in Akashic Edge.
Boundary scope
Statewide House contest overview with district-level routing for the current state page.
Claim type
Certified contest summaries and deterministic navigation cues.
State context should read against the national baseline, not as an isolated result.
Carry the election result, state baseline, and coalition framing into the Historian with one click.
| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| CA-01 | REP | 291,594 | 54.9% | ||
| CA-02 | DEM | 315,657 | 77.0% | ||
| CA-03 | DEM | 232,251 | 58.1% | ||
| CA-04 | REP | 340,654 | 54.1% | ||
| CA-05 | DEM | 261,018 | 78.9% | ||
| CA-06 | DEM | 201,939 | 80.4% | ||
| CA-07 | Ami BeraDEM | DEM | 281,617 | 55.0% | |
| CA-08 | Paul CookREP | REP | 170,785 | 60.0% | |
| CA-09 | DEM | 200,763 | 56.5% | ||
| CA-10 | Josh HarderDEM | DEM | 221,900 | 52.3% | |
| CA-11 | DEM | 275,681 | 74.1% | ||
| CA-12 | Nancy PelosiDEM | DEM | 317,072 | 86.8% | |
| CA-13 | Barbara LeeDEM | DEM | 294,837 | 88.4% | |
| CA-14 | DEM | 266,823 | 79.2% | ||
| CA-15 | DEM | 243,929 | 73.0% | ||
| CA-16 | Jim CostaDEM | DEM | 142,959 | 57.5% | |
| CA-17 | Ro KhannaDEM | DEM | 211,162 | 75.3% | |
| CA-18 | Anna G EshooDEM | DEM | 302,238 | 74.5% | |
| CA-19 | Zoe LofgrenDEM | DEM | 220,319 | 73.8% | |
| CA-20 | DEM | 225,721 | 81.4% | ||
| CA-21 | Tj CoxDEM | DEM | 113,616 | 50.4% | |
| CA-22 | Devin NunesREP | REP | 222,379 | 52.7% | |
| CA-23 | REP | 205,774 | 63.7% | ||
| CA-24 | DEM | 284,431 | 58.6% | ||
| CA-25 | Katie HillDEM | DEM | 245,022 | 54.4% | |
| CA-26 | DEM | 255,426 | 61.9% | ||
| CA-27 | Judy ChuDEM | DEM | 202,636 | 79.2% | |
| CA-28 | DEM | 250,934 | 78.4% | ||
| CA-29 | DEM | 154,692 | 80.6% | ||
| CA-30 | Brad ShermanDEM | DEM | 260,993 | 73.4% | |
| CA-31 | Pete AguilarDEM | DEM | 187,495 | 58.7% | |
| CA-32 | DEM | 177,031 | 68.8% | ||
| CA-33 | Ted W LieuDEM | DEM | 312,860 | 70.0% | |
| CA-34 | Jimmy GomezDEM | DEM | 151,906 | 72.5% | |
| CA-35 | DEM | 149,024 | 69.4% | ||
| CA-36 | Raul RuizDEM | DEM | 207,008 | 59.0% | |
| CA-37 | Karen BassDEM | DEM | 236,378 | 89.1% | |
| CA-38 | DEM | 202,156 | 68.8% | ||
| CA-39 | Gil CisnerosDEM | DEM | 244,393 | 51.6% | |
| CA-40 | DEM | 121,449 | 77.3% | ||
| CA-41 | Mark TakanoDEM | DEM | 166,248 | 65.1% | |
| CA-42 | Ken CalvertREP | REP | 231,932 | 56.5% | |
| CA-43 | DEM | 196,052 | 77.7% | ||
| CA-44 | DEM | 143,322 | 68.3% | ||
| CA-45 | Katie PorterDEM | DEM | 305,289 | 52.0% | |
| CA-46 | Lou CorreaDEM | DEM | 147,916 | 69.2% | |
| CA-47 | DEM | 221,036 | 64.9% | ||
| CA-48 | Harley RoudaDEM | DEM | 294,736 | 53.5% | |
| CA-49 | Mike LevinDEM | DEM | 295,030 | 56.4% | |
| CA-50 | REP | 259,810 | 51.7% | ||
| CA-51 | Juan VargasDEM | DEM | 153,828 | 71.2% | |
| CA-52 | DEM | 296,007 | 63.9% | ||
| CA-53 | DEM | 268,794 | 69.1% |