Prediction Edge
Republican
James Mendrick

Overview

Current roleSheriff

PartyRepublican

Political ideologyConservative Republican

GenderMale

LocationIllinois

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BackgroundLaw enforcement officer

Notable personal detailsJames Mendrick is an American law enforcement official who has served as Sheriff of DuPage County, Illinois, elected in 2018. He ran for the Republican nomination for Governor of Illinois in the 2026 election cycle with Robert Renteria as his running mate for lieutenant governor. Mendrick’s public career centers on county-level law enforcement administration and public safety.

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Positions

LiberalConservative

Economy & Taxes

Supports lowering taxes and cutting regulations to attract businesses, auditing government spending to eliminate waste, and balancing the state budget without deficit spending. Advocates fiscal responsibility and business-friendly policies to grow jobs and the economy.

Healthcare

Supports reducing state-funded healthcare spending (including programs for undocumented immigrants) and expanding treatment-focused programs in jails; emphasizes cutting wasteful government spending on healthcare and prioritizing fiscal restraint. Campaign materials highlight partnerships with local health departments for medication‑assisted treatment (MAT) for inmates and addiction recovery programs. News coverage records Mendrick criticizing Illinois’ immigrant healthcare spending and calling for policy changes to end such programs.

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Immigration & Border

Supports ending Illinois’ sanctuary policies, restoring state cooperation with federal immigration authorities (including granting ICE access to county jails), and removing criminal noncitizen migrants from custody prior to release. Frames immigrant-related state spending as a problem and favors stronger enforcement measures rather than expanded legal pathways or regularization.

News

AINews Summary
Last updatedMar 14, 2026

James Mendrick is in the news as one of the Illinois GOP candidates running for governor in the 2026 election. Recent election coverage also highlights that the Illinois primary is approaching, with voters able to choose party ballots and use early voting, mail-in ballots, and some same-day registration options.

ilsheriff.org+49

Polls

Illinois Republican Governor nominee?
Polling Average
50%40%30%20%10%0%
5.8%
39.4%
6.4%
5.0%
James Mendrick
J. Mendrick
Darren Bailey
D. Bailey
Ted Dabrowski
T. Dabrowski
Rick Heidner
R. Heidner
Joseph Severino
J. Severino
Date (Start - End)SpreadMendrickBaileyDabrowskiHeidnerSeverino
Polling Average
Bailey+33.5
5.8%39.4%6.4%5.0%2.3%
Osage ResearchJan 20 - 23
Bailey+53.0
4.0%57.0%8.0%9.0%
Emerson CollegeJan 3 - 5
Bailey+29.0
5.4%34.4%8.2%1.1%2.3%
Reveille ResearchSep 4 - 6
Bailey+26.0
5.0%31.0%3.0%
Reveille ResearchSep 4 - 6
Bailey+26.0
9.0%35.0%

Aggregation source: FiftyPlusOne

New updates coming soon

We're monitoring and will update when new data impacts the race.

  • Endorsements
  • Fundraising