Lake County, Illinois

Lake County Board Member, District 15

One candidate is tracked for Lake County Board Member, District 15 on the November 3, 2026 ballot: Jennifer Clark. Candidate information follows official Lake County election filings; verify with the official election office linked below.

About this race

Sitting District 15 member Jennifer Clark is unopposed on the November 3 ballot; no Republican candidate filed, per the county's official candidate list.

What this office does

County commissioner. The county board is the county's legislative and, in most states, executive body. Commissioners adopt the county budget and property tax rate, oversee roads, the jail, public health, planning and zoning in unincorporated areas, and appoint or confirm department heads. In counties with an elected county executive or judge, the board's role is mainly the budget and ordinances.

This race. The sitting officeholder, Jennifer Clark, is on the ballot. One name is on the ballot for this seat.

Illinois › Lake County › Lake County Board Member, District 15

Jennifer Clark

Democratic Incumbent

Top priorities

Fiscal transparency in county government spending
Investing in infrastructure to address deferred maintenance on roads, bridges, and stormwater systems
Working toward net zero greenhouse gas emissions for county operations by 2040

Per the campaign site.

Biography

Clark is an economist who currently serves as the Lake County Board Commissioner for District 15, representing parts of Libertyville, Vernon Hills, and Mundelein, per the campaign site. Clark also serves on the Lake County Forest Preserves Board and chairs the Public Works, Planning, and Transportation Committee, per the campaign site.

Campaign site (opens in a new tab)

Next on your ballotLake County Board Member, District 16

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Voting info and more

Questions about this race

Who is running for Lake County Board Member, District 15 in 2026?

When is the Lake County Board Member, District 15 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 Lake 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 Lake County and state election office filings, last verified September 27, 2026. Bios and priorities carry their attribution inline.

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

The rest of your Lake County ballot

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

Also on your ballot

Lake County Board Member, District 17 Lake County Board Member, District 19 North Shore Water Reclamation District Trustee, Ward 2 See all 32 Lake County races

Candidate profiles

Jennifer Clark, full profile Official Illinois election office