Trump Endorsed
Polling Average
80%60%40%20%0%
58.1%
AZ-05 Republican nominee?
$80.5K
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 sheriff of Pinal County, Arizona from 2017 through 2024. He previously worked in pest control and served in the Salt River Pima–Maricopa Indian Community Police Department before becoming Pinal County sheriff. He ran for U.S. Senate in Arizona in 2024 and is a Republican candidate for U.S. House in Arizona’s 5th Congressional District for the 2026 cycle.
SourcesShowHide
fec.goven.wikipedia.orgmarklamb.uswikidata.orgclubforgrowth.orgcookpolitical.comballotready.orgpolymarket.cominkl.comlegalclarity.orglines.comivoterguide.comazsos.govthedailybeast.comd3n8a8pro7vhmx.cloudfront.netirp.cdn-website.comelections.maricopa.govarxiv.orgvice.comprnewswire.comwlsam.cominmaricopa.comfoxnews.comazfamily.comtennesseestar.comazluminaria.orgjournalaz.comoffgridweb.comprisonlegalnews.orgvibromedia.comontheissues.orgfacebook.comktar.comcronkitenews.azpbs.orgkjzz.orgazmirror.comms.now12news.comyahoo.comazcentral.comyourvalley.netrawstory.compredictionedge.comdocquery.fec.govdemocrats-homeland.house.govcongress.govfrontpage.ballotpedia.orgvoterguide.ballotpedia.orgvotesmart.orghouse.govdeveloper.ballotpedia.orgclerk.house.govgovinfo.govveterans.senate.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 updatedJul 4, 2026
Mark Lamb is facing fresh scrutiny in Arizona’s 5th Congressional District after reports surfaced of 2016 text messages in which he allegedly made racist and homophobic remarks. The story has intensified pressure on his Republican primary campaign, with calls for him to drop out and his opponent attacking his record. The district is still expected to lean Republican, but the controversy has become the main focus around his race.
fec.gov+53
Articles
SLSalt Lake City Deseret News1 month ago
Here’s how Trump-endorsed candidates are faring in this purple state
Negative
TAThe Arizona Republic1 month ago
Mark Lamb's Democratic rivals will debate on TV June 4
Negative
NYNew York Post1 month ago
Sheriff who beat cartels before congress run caught in text scandal
Negative
NNewsweek3 months ago
Republicans Risk Losing 34 Seats Where Gas Prices Are Rising
Negative
Polls
AZ-05 Republican nominee?
Aggregation source: FiftyPlusOne
Endorsements
AZ-05 Republican nominee?
Endorsers of Mark Lamb for AZ-05 Republican nominee?
President Donald Trump
Elected official
President Donald Trump endorsed Mark Lamb for Congress in Arizona's 5th Congressional District.
Republicans of Arizona's Legislative District 15
Public endorsement
Republicans of Arizona's Legislative District 15 endorsed Mark Lamb for Congress.
Arizona Republican Assembly (AZRA)
Public endorsement
Arizona Republican Assembly (AZRA) endorsed Mark Lamb for Congress.
Arizona Police Association
Advocacy group
Arizona Police Association endorsed Mark Lamb for Congress.
Maricopa County Colleges Police Officers Association
Advocacy group
The Maricopa County Colleges Police Officers Association endorsed Mark Lamb for Congress.
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