The Ballot Brief
Lake County, Illinois

Lake County Board Member, District 10

IllinoisLake County › 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.

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.

Nicki Sullivan

Democratic

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.

2026 priorities (per the campaign site)

Source: candidate campaign site.

Campaign site →

Jeffrey C. Issel

Republican

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 or questionnaire response was found as of September 8, 2026. Issel.

Verify this race
Candidate roster from official Lake County Supervisor of Elections filings. 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.