The Ballot Brief
DeKalb County, Illinois

DeKalb County Sheriff

One candidate is tracked for DeKalb County Sheriff on the November 3, 2026 ballot: Andrew "Andy" Sullivan. Candidate information follows official DeKalb County election filings; verify with the official election office linked below.

About this race

No Democratic candidate filed. Andrew "Andy" Sullivan is the Republican nominee and is unopposed on the November 3, 2026 ballot, per the DeKalb County Clerk & Recorder's certified local candidates list.

What this office does

Sheriff. The sheriff runs the county's law enforcement agency, operates the county jail, provides courthouse security and serves court papers such as warrants, subpoenas and evictions. In many counties the sheriff's office is the primary police force for areas outside city limits. The sheriff hires deputies and manages the office's budget within what the county board approves.

This race. Every voter in DeKalb County votes on this seat. One name is on the ballot for this seat.

Illinois › DeKalb County › DeKalb County Sheriff

Andrew "Andy" Sullivan

Republican

Biography

Sullivan is the incumbent DeKalb County Sheriff, appointed in 2021 after 25 years in law enforcement, per the Illinois Sheriffs' Association.

Next on your ballotDeKalb County Regional Superintendent of Schools

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Voting info and more

Voting info and more
Questions about this race

Who is running for DeKalb County Sheriff in 2026?

One candidate is tracked for DeKalb County Sheriff on the November 3, 2026 ballot: Andrew "Andy" Sullivan. Candidate information follows official DeKalb County election filings; verify with the official election office linked below.

When is the DeKalb County Sheriff election in Illinois?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Illinois are on the Illinois election hub at theballotbrief.com.

How do I see my exact DeKalb County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official DeKalb County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Illinois election office, or see the full DeKalb County sample ballot and your exact ballot by address.

The rest of your DeKalb County ballot

26 tracked races in DeKalb County, Illinois. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
DeKalb County Board, District 1DeKalb County Board, District 2DeKalb County Board, District 3See all 26 DeKalb County races
Candidate profiles
Andrew "Andy" Sullivan, full profileOfficial Illinois election office