Lake County, Illinois

Lake County Board Member, District 10

2 candidates are tracked for Lake County Board Member, District 10 on the November 3, 2026 ballot: Nicki Sullivan and Jeffrey C. Issel. Candidate information follows official Lake County election filings; verify with the official election office linked below.

About this race

Nicki Sullivan (Democratic) and Jeffrey C. Issel (Republican) meet on the November 3 ballot for this open seat; sitting District 10 member Jessica Vealitzek is not seeking reelection, per the county's official candidate list and elected-officials roster.

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.

Illinois › Lake County › Lake County Board Member, District 10

Nicki Sullivan

Democratic

Top priorities

Investing in local roads, sidewalks, bike trails, pedestrian crossings, and public transportation
Long-term growth planning that protects infrastructure and the natural environment
Policies to protect clean water, prevent flooding, and preserve natural areas

Per the campaign site.

Biography

Nicki Sullivan is a Mundelein resident who has served on the Diamond Lake School District 76 school board for six years and has been active in environmental protection and road safety advocacy. She won the Democratic primary in Lake County Board District 10.

Campaign site (opens in a new tab)

Jeffrey C. Issel

Republican

Biography

Jeffrey C. Issel appears on the November 3, 2026 ballot for Lake County Board Member, District 10, per the county elections office's certified candidate list. No campaign website was found as of September 8, 2026. Issel.

Next on your ballotLake County Board Member, District 11

See your full ballot

Voting info and more

Questions about this race

Who is running for Lake County Board Member, District 10 in 2026?

When is the Lake County Board Member, District 10 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 14 Lake County Board Member, District 15 Lake County Board Member, District 16 See all 32 Lake County races

Candidate profiles

Nicki Sullivan, full profile Jeffrey C. Issel, full profile Official Illinois election office