Polling Average
80%60%40%20%0%
58.1%
AZ-05 Republican nominee?
$30.1K
JUL 22, 2026Primary Election
Party selects its nominee.
Overview
Current roleFormer Sheriff
PartyRepublican
Political ideologyTrump-aligned Republican
Age53 years old (Jul 14, 1972)
GenderMale
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LocationArizona
BackgroundLaw enforcement officer
Notable personal detailsMark Lamb is an American law enforcement officer and politician who served as the 24th Sheriff of Pinal County, Arizona, from 2017 through 2024. He previously worked as a police officer with the Salt River Pima–Maricopa Indian Community and later joined the Pinal County Sheriff’s Office before being elected sheriff. He has run for federal office in Arizona, including a 2024 U.S. Senate campaign and a 2026 U.S. House campaign in Arizona’s 5th Congressional District.
SourcesShowHide
fec.goven.wikipedia.orgwikidata.orgmarklamb.usazfamily.comthedailybeast.comaxios.comcbsnews.commarkzetzerforcongress.comdallasnews.comazluminaria.orgarizonadailyindependent.comva01republicans.orgelectionline.orggrabien.comclubforgrowth.orggovinfo.govd3n8a8pro7vhmx.cloudfront.netmedia.azpm.orgivoterguide.comvice.comprnewswire.comwlsam.cominmaricopa.comfoxnews.comtennesseestar.comjournalaz.comoffgridweb.comprisonlegalnews.orgvibromedia.comontheissues.orgapnews.comstatic.politico.compolitico.comassets.apnews.comballotready.orgvotesmart.orgdocquery.fec.govcongress.gov
Positions
LiberalConservative
Economy & Taxes
Supports reducing wasteful government spending, auditing federal programs, and lowering taxes to promote economic growth. Emphasizes cutting unnecessary or overseas spending and prioritizing fiscal accountability for taxpayers.
Healthcare
Mark Lamb supports maintaining Medicare and Medicaid while opposing expanded taxpayer-funded universal healthcare programs; he has publicly opposed vaccine mandates and emphasizes limited government solutions. His campaign materials prioritize conservative government spending and do not propose major expansions of public healthcare programs.
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Immigration & Border
Supports enforcement-first immigration policies, increased support for ICE and Border Patrol, and harsher treatment/removal of people in the country illegally. Advocates for expanded law-enforcement involvement in immigration and has publicly endorsed tough measures including large-scale removals and detention options. Positions emphasize border security, criminal enforcement against illegal entrants, and limiting access to asylum/regularization pathways.
Abortion & Reproductive Rights
Opposes abortion and identifies as pro‑life, saying life begins at conception and that he will work to protect life. He praised the Supreme Court’s Dobbs decision and says abortion policy should be decided by states rather than the federal government. He criticized a proposed Arizona ballot measure he said would permit abortion up to birth and said he would support measures to protect unborn children.
Climate & Energy
Supports American energy independence and increased fossil fuel production while favoring lower regulation and policies to promote U.S. energy dominance and economic growth. Emphasizes expanding domestic oil and natural gas production and cutting regulations that raise energy costs. Does not advocate for aggressive emissions targets or Green New Deal–style policies in available campaign materials and endorsements.
Public Safety & Guns
Mark Lamb supports robust Second Amendment rights and encourages civilians to carry firearms with training. He strongly backs law enforcement, opposes police defunding, and has used sheriff’s office funds to purchase weapons and ammunition for his agency.
News
AINews Summary
Last updatedJun 1, 2026
Mark Lamb is facing fresh scrutiny after newly reported 2016 text messages allegedly showed him making racist and homophobic remarks. The report has intensified pressure on his Arizona campaign, with calls for him to drop out. His primary race remains contested, and his opponent Daniel Keenan is using the controversy to attack his record.
fec.gov+38
Polls
AZ-05 Republican nominee?
Aggregation source: FiftyPlusOne
Fundraising
Latest report: Cycle 2026Total raisedCash on hand
$759.7K
$569.8K
$379.9K
$189.9K
$0
2026
LatestYear
Total raised
Cash on hand
Total spent
Burn rate
Cycle 2026
$759.7K
$347.1K
$412.6K
$27.5K
Source: FEC
New updates coming soon
We're monitoring and will update when new data impacts the race.
- Endorsements