Representative Darrell Issa, Republican from California

Darrell Issa

California's 48th congressional district

CA-48 Midterms Intelligence

Issa holds a structurally safe but not static seat: CA-48 leans R+19, yet the district has posted a modest Democratic drift and now sits on a wealthy, high-homeownership suburban base rather than a purely ideological one. After 25 years in office, he is less a firebrand than a durable institutional Republican whose committees—Judiciary, Foreign Affairs, and Science—fit a district where affluence, defense-adjacent interests, and quality-of-life politics intersect. The key constituency fact is the blend: 71.4% homeownership, $113,202 median income, and a sizable 30.7% Hispanic population that tempers but does not overturn the GOP advantage.

For advocates, this is a persuasion district, not a mobilization one. Messages that lead with public safety, regulatory restraint, and economic competence travel best, especially when tied to protecting property values and local employers; culture-war maximalism is less useful than pragmatic conservatism. Issa’s pressure points are commerce, border-adjacent law-and-order framing, and innovation policy, but the opening comes from suburban cost sensitivity—high housing costs and middle-class expectations create room for targeted arguments on affordability, healthcare access, and workforce stability without forcing a partisan frame.

Representative Darrell Issa represents California's 48th congressional district, serving 760,621 constituents. The district has an estimated median household income of $113,202 and an unemployment rate of 5.6%.

Economic & Demographic Snapshot

760,621Population
↓ 3,467
$113,202Median Incomenat'l $37,585
↑ $9,910
5.6%Unemploymentnat'l 3.5%
↓ 0.3%
5.7%Poverty Ratenat'l 12.4%
↓ 0.1%
71.4%Homeownershipnat'l 65.5%
→ no change
$2,181Median Rentnat'l $1,163
↑ $218
0.6%Public Transitnat'l 5%
→ no change
32.1 minMean Commutenat'l 26.4 min
↑ 0.1 min

Data sourced from U.S. Census Bureau ACS 5-Year Estimates (2017-2021 vs. 2019-2023). All figures are statistical estimates with 90% confidence level.

California District 48 Demographics

Median Age 39.5 (vs 38.5) · Homeownership 71.4% (vs 65.5%) · Bachelor’s+ 34.7% (vs 33.7%) · Poverty 5.7% (vs 12.4%) · Income $113,202 (vs $37,585)

Key Issues for This District
Immigration policyRent burden

Age Distribution

Near the national median age (39.5 vs 38.5 nationally). The largest age cohort is 30–39 at 14.1%.

Race & Ethnicity

White residents are the largest group at 58.1%. Also significant: Hispanic (30.7%).

* Hispanic includes respondents of any race. Racial categories include both Hispanic and non-Hispanic individuals.

Education

34.7% hold a bachelor’s degree or higher, above the 33.7% national average. 9.5% of residents lack a high school diploma.

Income Distribution

Median household income is $113,202, well above the $37,585 national median.

Housing

Homeownership at 71.4% (vs 65.5% nationally). Median rent is $2,181. Median home value is $735,700.

How People Get to Work

Car-dependent: 71.4% drive alone to work. Average commute is 32.1 minutes.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates
Data represents 5-year statistical estimates for increased reliability.

California District 48 FAQ