What party is Jeff Diederich?

Jeff Diederich is running as a Republican.

How much money has Jeff Diederich raised?

$169K as of the latest state campaign-finance filings.

Should I vote for Jeff Diederich?

SpectrumVote doesn't endorse anyone or tell you how to vote. Compare Jeff Diederich's record, funding and endorsements with the other candidates in this race and decide based on what matters to you.

Jeff Diederich

Republican · Candidate for Williamson County Sheriff · November 3, 2026

About this race

The county's chief law-enforcement officer. Runs the sheriff's office and usually the county jail, patrols areas outside city police departments, and serves court papers.

1 candidate ran for Williamson County Sheriff in the general election on Tuesday, November 3, 2026.

Immigration enforcement (ICE 287(g))

ICE's list of 287(g) participating agencies shows no agreement for Williamson County's sheriff's office.

Under 287(g), ICE trains and authorizes local officers to carry out some federal immigration duties. From ICE's list of participating agencies, as of October 28, 2026. Whether to keep, change or end an agreement is up to the sheriff.

Where they stand

We place candidates only from a published academic score (from a voting record or campaign donors) or from enough of their own statements on policy, and we haven't found either for Jeff Diederich that we can reliably source yet.

We haven't found a campaign site or candidate questionnaire for Jeff Diederich yet.

Compare everyone in this race · How placements work

Funding

$169K raised, $1,355 from small donors, $161K self-funded.

Largest donors	Amount
Richard & Catherine Diederich	$3,000
William Courtney	$1,000
Douglas Bradley	$1,000
Joe & Nina Helleny	$500
Jim & Jill Blus Webb	$300
Meagan RICH Attorney at LAW	$250
Dennis & Susie Tregoning	$200

Source: Illinois State Board of Elections, reports through 2026-09-30.

More about Jeff Diederich

Ballotpedia

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Next elections here

2028 presidential election · Who has filed so far, from FEC filings

Quick answers

What party is Jeff Diederich?: Jeff Diederich is running as a Republican.
What does the Williamson County Sheriff seat do?: The county's chief law-enforcement officer. Runs the sheriff's office and usually the county jail, patrols areas outside city police departments, and serves court papers.
How much money has Jeff Diederich raised?: $169K as of the latest state campaign-finance filings.
Should I vote for Jeff Diederich?: SpectrumVote doesn't endorse anyone or tell you how to vote. Compare Jeff Diederich's record, funding and endorsements with the other candidates in this race and decide based on what matters to you.

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