The 2026 St. Louis County Executive election will be held on November 3, 2026, following party primaries on August 4, 2026.[1] Incumbent Sam Page declined to seek re-election to a second full term.[2]

Democratic primary

Candidates

Declared

Declined

  • Sam Page, incumbent county executive[2]
  • Shalonda Webb, county councilmember[6] (endorsed Williams)[2]
  • Lisa Clancy, county councilmember[2]

Polling

Poll source Date(s)
administered		 Sample
size[a]		 Margin
of error		 Angela
Mosley		 Brian
Williams		 Jake
Zimmerman		 Undecided
[7] April 3–4, 2026 600 (LV) ± 4.0% 16% 16% 16% 52%

Results

Democratic primary
Party Candidate Votes %
Democratic Angela Mosley
Democratic Brian Williams
Democratic Jake Zimmerman
Total votes

Republican primary

Nominee

  • Dennis Hancock, county councilmember and former mayor of Fenton[8]

Green primary

Nominee

  • J.D. McFarland[9]

General election

Results

2026 St. Louis County Executive election
Party Candidate Votes %
Democratic TBD
Republican Dennis Hancock
Missouri Green Party J.D. McFarland
Total votes

Notes

  1. ↑ Key:
    A – all adults
    RV – registered voters
    LV – likely voters
    V – unclear

References

  1. ↑ "2026 Missouri Election Calendar". Missouri Secretary of State. 2025. Retrieved July 10, 2025.
  2. 1 2 3 4 Palermo, Gregg (18 December 2025). "St. Louis County Executive Sam Page won't seek re-election in 2026". Spectrum News. Retrieved 24 January 2026.
  3. ↑ "State Sen. Mosley enters St. Louis county executive race". The St. Louis American. April 4, 2026. Retrieved April 16, 2026.
  4. ↑ Landis, Kelsey (7 August 2025). "Democratic state Sen. Brian Williams joins race for St. Louis County executive". St. Louis Post-Dispatch. Retrieved 22 September 2025.{{cite web}}: CS1 maint: deprecated archival service (link)
  5. ↑ Rosenbaum, Jason (8 January 2026). "St. Louis County Assessor Jake Zimmerman jumps into county executive race". KWMU. Retrieved 9 March 2026.
  6. ↑ Rosenbaum, Jason (March 9, 2025). "At Lincoln Days, Missouri Republicans are optimistic they can withstand a midterm slump". KTVI. St. Louis, Missouri. Retrieved July 10, 2025.
  7. ↑ "MOScout Daily Update: Senate Passes Kehoe Tax Plan - Schroer for Floor Leader - STL County Exec Poll - April Fundraising Numbers and more...". Missouri Scout. April 16, 2026. Retrieved April 17, 2026.
  8. ↑ "Dennis Hancock running for STL County Executive". KMOV. 11 August 2025. Retrieved 22 September 2025.
  9. ↑ Schneider, Joey (April 1, 2026). "Five candidates will run for St. Louis County Executive. Who are they?". KTVI. Retrieved April 17, 2026.
Official campaign websites
source: https://en.wikipedia.org/wiki/2026_St._Louis_County_Executive_election