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California District 48

Congressional District in CA • 2 Counties

California's 48th congressional district is represented by Darrell Issa, a Republican U.S. representative. Issa won the 2024 general election with 59.3% of the vote. The district has 760,621 residents, a median household income of $113,202 and a median age of 39.5, according to the Census Bureau's 2024 American Community Survey 5-year estimates.

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Darrell Issa

Representative for California District 48
Republican25 years in office
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2026 election

FEC filings for the 2026 election. Filing is not ballot access — certified ballots are set by each state.

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CA’s congressional map changed for 2026, so this district number may cover different territory on the November 2026 ballot. Confirm your 2026 district by home address.

District Boundaries

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Demographics

760,621

Total Population

$113,202

Median Household Income

39.5

Median Age

22.3%

College Educated

8.2%

Poverty Rate

Racial & Ethnic Composition

58.1% Whi
3.3% Bla
30.7% His
6.9% Asi

Age Distribution

Median age: 39.5 years | Source: Census ACS 5-Year

Household Income Distribution

Median household income: $113,202 | Source: Census ACS 5-Year

Racial & Ethnic Composition

2024 Election Results

Darrell Issa Republican59.3%
Stephen Houlahan Democratic40.7%

Darrell Issa won by 18.6%

360,290 total votes cast

Source: MIT Election Data + Science Lab (MEDSL)

Employment by Occupation

Civilian employed population 16+ | Source: Census ACS 5-Year

Federal Spending

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Relevant Legislation

Quick Facts

Representative

Darrell Issa

Major Counties

Riverside, San Diego

Major Cities

Escondido, Murrieta, Temecula

Neighboring Districts

Sources and method

· ACS 2020–2024 5-year estimates

congress-legislators, MEDSL: CC0 1.0 (public domain dedication) · All other sources: Public domain (17 U.S.C. § 105) · Method: Data sources → · Campaign finance →

The spending narrative is written by AI from USAspending.gov data and is labeled where it appears. It is not a source itself. How we analyze data →

Dates shown where the source reports one. “Loaded” is when CIV.IQ last fetched the record.

Frequently Asked Questions

Who represents California District 48?
Darrell Issa (Republican) currently represents California District 48 in the U.S. House of Representatives.
What counties are in California District 48?
California District 48 includes 2 counties: Riverside, San Diego.
What are the major cities in California District 48?
The major cities in this district include Escondido, Murrieta, Temecula.
What is the population of California District 48?
California District 48 has a population of approximately 760,621 residents.