electionsmcp › races › California's 48th Congressional District
California's 48th Congressional District
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how California actually voted.
Model California's 48th Congressional District →
Current officeholder
Darrell Issa Republican
2024 result
Republican R+18.6
2024 votes cast
359,883
Office
U.S. House
District health & safety estimate
Context for Darrell Issa's district
CDC WONDER, 2016–2022 · translated from county data
3.4estimated homicides per 100,000 residents / year
This is a county-derived estimate, not a direct CDC congressional-district statistic. Counties with suppressed small counts are missing, never counted as zero. Rank 1 is the highest estimated rate.
Who lives in this district
This district is home to about 759,864 people, median age 39.3, median household income $109,005.
Population
759,864
Median age
39.3
Median household income
$109,005
Bachelor's degree or higher
34.2%
Race & ethnicity: White 54.1% · Black 3.1% · Hispanic 30.1% · Asian 6.7%
Source: U.S. Census Bureau, 2019–2023 American Community Survey (5-year).
Precinct results — 2024 general
811 precincts reported in California's 48th Congressional District's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 06065-323001A | Republican | R+34.9 | 3,016 |
| 06065-333011A | Republican | R+20.6 | 2,714 |
| 06065-309096A | Republican | R+6.2 | 2,419 |
| 06065-333019A | Republican | R+8.5 | 2,251 |
| 06065-333001A | Republican | R+9.5 | 2,219 |
| 06065-335002A | Republican | R+5.6 | 2,194 |
| 06065-331022A | Republican | R+5.1 | 2,148 |
| 06065-334018A | Republican | R+24.6 | 2,106 |
| 06065-324005A | Republican | R+15.1 | 2,096 |
| 06065-368025A | Republican | R+15.6 | 2,066 |
| 06065-323005A | Republican | R+42.4 | 1,940 |
| 06065-325009A | Republican | R+6.5 | 1,912 |
| 06065-334022A | Republican | R+17.3 | 1,819 |
| 06065-335012A | Democratic | D+8.0 | 1,812 |
| 06065-323016A | Republican | R+37.9 | 1,791 |
| 06065-332002A | Republican | R+3.9 | 1,773 |
| 06065-331018A | Republican | R+6.1 | 1,766 |
| 06065-334010A | Republican | R+4.1 | 1,697 |
| 06065-321007A | Republican | R+25.8 | 1,636 |
| 06065-332016A | Republican | R+13.1 | 1,578 |
All 811 precincts are modelable — open the race in the simulator and drill to precinct grain.
Find your district
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Model California's 48th Congressional District in five steps
- Set the candidates. Name the contenders for the California's 48th Congressional District (or keep the generic Democrat / Republican defaults). The map starts from real 2024 results in every precinct.
- Apply a swing. Move vote share statewide, or by demographic cohort, with a slider. The map and the running tally recompute instantly.
- Model turnout. Mobilize or depress turnout for any group — turnout and persuasion are modeled separately, the way a real campaign thinks about them.
- Drill to precincts. Zoom from the state down to individual precincts and override any of them by hand.
- Roll up & share. Roll the result up to chamber control, then publish a shareable, frozen link to your scenario.
Open California's 48th Congressional District in the simulator →