Orange County, California | Paper Trail Politics

Area overview

Orange County at a glance

Established in 1889, Orange County is governed by a five-member Board of Supervisors and provides countywide and regional services from its county seat in Santa Ana.

Population3,149,507July 1, 2025 estimate

Established1889County seat: Santa Ana

Land area792.84square miles

Households1,082,9602020–2024 estimate

Current voter makeup

1,905,391 active voters

September 4, 2026

36.5% Democratic33.6% Republican23.5% No party preference6.4% Other parties

Approximate active votersCalculated from the rounded shares above

≈695,500Democratic

≈640,200Republican

≈447,800No party preference

≈121,900Other parties

Largest group36.5%Democratic

Democratic–Republican gap2.9 pts36.5% to 33.6%

Outside two largest parties29.9%No party preference + other

Orange County Registrar of Voters Data Central →

Community snapshot

People and households

Census QuickFacts

36.7%White alone, not Hispanic

34.3%Hispanic or Latino

24.3%Asian alone

4.0%Two or more races

Community indicators2020–2024 estimates

56.4%Owner-occupied housing

$116,289Median household income

44.1%Bachelor's degree or higher

9.7%People in poverty

46.4%Language other than English at home

Race categories can overlap; Hispanic or Latino residents may be of any race.

U.S. Census Bureau QuickFacts →

County responsibilities

Services

Learn what the county is responsible for, which public office provides each service, and how county work connects with state and local government.

How service delivery works Who is responsible?

Service directory

What Orange County provides

Public oversight Accountability and public records

How accountability works

County representation

Supervisorial districts

Voters in each of the county's five supervisorial districts elect one supervisor to represent their communities. The Board of Supervisors sets county policy, adopts the budget, and oversees county departments and services.

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Current elections

November 3rd, 2026 Orange County election

November 3rd, 2026 Orange County election: colored cards have a race in this election. Grey cards do not.

Race in this election No race in this election

Past elections Browse completed Orange County elections

June 2, 2026 Primary Election: colored cards had a race in this election. Grey cards did not.

Race in selected election No race in selected election

Cities and communities

Orange County Explorer

Select a city or Census-designated community to explore its local profile.

Interactive map Orange County cities and communities

Incorporated city Census-designated place

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County government

Boards and commissions

Explore selected public bodies, what they oversee, how they are constituted, and who currently serves on them.

Loading county boards and commissions… County directory

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Special Districts

Special Districts serving Orange County

Independent local governments providing focused public services are kept separate from the county's geographic browsing hierarchy.

Loading special districts… Orange County LAFCO inventory

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Intersecting geography

Explore representation and education boundaries that cover or intersect Orange County. Use the election filter to show only maps with a race in the next election.

Local reporting

News about Orange County

These stories are sourced from local newsrooms. Please click through to visit and support local journalism.

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Documentation and limits

Sources

Official records and reference sources used for this page, together with the current completeness assessment.

Current assessment Developing coverage

Municipal records are available, while school, special-district, and overlapping representation layers remain incomplete.

Assessed August 8, 2026

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