The Ballot Brief
St. Louis County, Missouri

County Executive

3 candidates are tracked for County Executive on the November 3, 2026 ballot: Jake Zimmerman, Dennis Hancock and J D McFarland. Candidate information follows official St. Louis County election filings; verify with the official election office linked below.

About this race

August 4 primary result: Jake Zimmerman (46.5 percent) won the Democratic nomination over Brian Williams (33.6 percent), Angela Walton Mosley (19.9 percent) and advances to the November 3 ballot, per graphics.stltoday.com reporting of the official results (re-verify against the certified canvass). Open seat: incumbent Sam Page is not seeking another term. Winners advance to November 3, per the county Board of Election Commissioners' certified ballot content report.

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. Every voter in St. Louis County votes on this seat.

Missouri › St. Louis County › County Executive

Jake Zimmerman

Democratic

Top priorities

  • End reliance on one-time funds to balance the budget
  • Require large developers, including data centers, to bring their own clean energy
  • Protect core services like public safety, health, and parks

Per the STLPR.

Biography

St. Louis County's assessor since 2011 and a former state representative who worked for Gov. Bob Holden and Attorney General Jay Nixon, per STLPR. He calls himself a fixer who wants detail-oriented governing and says he would end the county's reliance on one-time funds to plug budget gaps, per STLPR.

Campaign site (opens in a new tab)

Dennis Hancock

Republican

Top priorities

  • Balance the county budget without raising taxes
  • A change in county government's direction
  • Private-sector budget discipline

Per the Spectrum News.

Biography

Hancock is a candidate for St. Louis County Executive, per the campaign site.

Campaign site (opens in a new tab)

J D McFarland

Green

Biography

J.D. McFarland previously ran in the 2017 St. Louis city mayoral race as a Green Party candidate, per the St. Louis Call Newspapers, which reported he did not respond to its interview request for this campaign. J D McFarland appears on the November 3, 2026 ballot for County Executive, per the county elections office's certified candidate list. No campaign website was found as of September 6, 2026.

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Questions about this race

Who is running for County Executive in 2026?

3 candidates are tracked for County Executive on the November 3, 2026 ballot: Jake Zimmerman, Dennis Hancock and J D McFarland. Candidate information follows official St. Louis County election filings; verify with the official election office linked below.

When is the County Executive election in Missouri?

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

How do I see my exact St. Louis 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 St. Louis County and state election office filings, last verified October 2, 2026. Bios and priorities carry their attribution inline.

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

The rest of your St. Louis County ballot

38 tracked races in St. Louis County, Missouri. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
County AssessorCounty Council District 1County Council District 3See all 38 St. Louis County races
Candidate profiles
Jake Zimmerman, full profileDennis Hancock, full profileJ D McFarland, full profileOfficial Missouri election office