Arizona's 5th Congressional District

Arizona's 5th Congressional District is represented by Andy Biggs (Republican), who has held the seat since 2017. Biggs has an overall VoteSee report card grade of D, voted in 90% of roll-call votes on bills this Congress, and votes with the Republican majority 77% of the time. The district includes Gilbert, Chandler, and Mesa. It takes in all or part of 2 counties, and 80% of residents live in Maricopa County. About 840,000 people live in the district, and the median household income is $109,252.

Current Representative

Andy Biggs (Republican) has represented Arizona's 5th Congressional District since 2017.

VoteSee report card grade: D
Attendance in the 119th Congress: 90% of roll-call votes on bills
Votes with the Republican majority: 77%

See Andy Biggs's full voting record and issue positions →

2026 Election

U.S. House: Arizona 5th District

Winner: Mark Lamb.

This is an open seat: Andy Biggs is not running for re-election. 2 candidates were on the Nov 3, 2026 ballot.

Mark Lamb (Republican): raised $1.8M, $181K cash on hand
Elizabeth Lee (Democratic): raised $376K, $124K cash on hand

Polls: No public polls

See the full 2026 race →

District Demographics

Population: 840,221
Median household income: $109,252
Median age: 39
Median home value: $498,900
Bachelor's degree or higher: 40.8%

Source: American Community Survey 2020–2024 5-year estimates, 119th Congress boundaries.

How Biggs Voted Recently

Yea on American Enrichment Deployment Act (Nov 9, 2026) — Passed
Yea on Nuclear REFUEL (Recycling Efficient Fuels Utilizing Expedited Licensing) Act (Nov 9, 2026) — Passed
Not Voting on Retire through Ownership Act (Sep 16, 2026) — Passed
Not Voting on Water Resources Development Act of 2026 (Sep 16, 2026) — Passed
Not Voting on Ratepayer Protection Act (Sep 16, 2026) — Passed

Breaks with the Republican majority

Nay on Diesel Emissions Reduction Act of 2025 (Sep 15, 2026) — Passed
Nay on National Wildlife Refuge System Invasive Species Strike Team Act of 2025 (Sep 14, 2026) — Passed
Nay on Local Communities & Bird Habitat Stewardship Act of 2026 (Sep 14, 2026) — Passed

Who Held This Seat Before

Members of Congress who previously represented Arizona's 5th Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.

Matt Salmon — Republican (2013–2017)
David Schweikert — Republican (2011–2013)
Harry Mitchell — Democrat (2007–2011)
J.D. Hayworth — Republican (2003–2007)
Jim Kolbe — Republican (1985–2003)
James McNulty — Democrat (1983–1985)

Where the District Is

Arizona's 5th Congressional District covers 405 square miles of land. Boundaries are for the current (119th) Congress.

Counties

Maricopa County (part): 80% of residents
Pinal County (part): 20% of residents

Largest communities

Gilbert
Chandler (part)
Mesa (part)
San Tan Valley
Queen Creek
Apache Junction
Sun Lakes
Gold Canyon (part)