The Ballot Brief
Lake County, Illinois

Lake County Board Member, District 19

2 candidates are tracked for Lake County Board Member, District 19 on the November 3, 2026 ballot: Marah Altenberg and Nicole Ziomek. Candidate information follows official Lake County election filings; verify with the official election office linked below.

About this race

Sitting District 19 member Marah Altenberg (Democratic) and Nicole Ziomek (Republican) meet on the November 3 ballot, 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, Marah Altenberg, is on the ballot.

Illinois › Lake County › Lake County Board Member, District 19

Marah Altenberg

DemocraticIncumbent

Top priorities

  • Holding the line on property taxes
  • A moratorium on new data centers to limit added water and energy use
  • Supporting stricter gun regulations in response to the 2022 Highland Park shooting

Per the campaign site.

Biography

Altenberg is a small business owner and member of the Lake County Partners Board of Directors, per the campaign site. Altenberg describes themself as an independent reformer and taxpayer advocate, per the campaign site.

Nicole Ziomek

Republican

Biography

Nicole Ziomek is the Republican nominee for Lake County Board District 19, opposing Democrat Marah Altenberg on the November 3, 2026 ballot, per Lake County Clerk certified candidate list. No campaign website was found as of September 8, 2026.

Next on your ballotNorth Shore Water Reclamation District Trustee, Ward 2

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Voting info and more

Voting info and more
Questions about this race

Who is running for Lake County Board Member, District 19 in 2026?

2 candidates are tracked for Lake County Board Member, District 19 on the November 3, 2026 ballot: Marah Altenberg and Nicole Ziomek. Candidate information follows official Lake County election filings; verify with the official election office linked below.

When is the Lake County Board Member, District 19 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
North Shore Water Reclamation District Trustee, Ward 3Illinois Senate District 26Illinois Senate District 29See all 32 Lake County races
Candidate profiles
Marah Altenberg, full profileNicole Ziomek, full profileOfficial Illinois election office