2018 St. Charles County Executive election

2018 St. Charles County Executive election
	November 6, 2018
County Executive before election; Steve Ehlmann; Republican	Elected County Executive ; Steve Ehlmann; Republican

The 2018 St. Charles County Executive election took place on November 6, 2018. Incumbent Republican County Executive Steve Ehlmann ran for re-election to a fourth term. He won the Republican primary unopposed and faced St. Peters Prosecuting Attorney Lorna Frahm, the Democratic nominee, in the general election.^[1] Ehlmann defeated Frahm by a wide margin, winning re-election with 62 percent of the vote.

Democratic primary

Candidates

Lorna Frahm, St. Peters Prosecuting Attorney^[2]

Results

Democratic primary results^[3]
Party		Candidate	Votes	%
	Democratic	Lorna Frahm	34,312	100.00%
Total votes			34,312	100.00%

Republican primary

Candidates

Steve Ehlmann, incumbent County Executive^[4]

Results

Republican primary results^[3]
Party		Candidate	Votes	%
	Republican	Steve Ehlmann (inc.)	40,794	100.00%
Total votes			40,794	100.00%

General election

Results

2018 St. Charles County Executive election^[5]
Party		Candidate	Votes	%
	Republican	Steve Ehlmann (inc.)	104,258	62.06%
	Democratic	Lorna Frahm	63,550	37.83%
	Write-in		192	0.11%
Total votes			168,000	100.00%
	Republican hold

References

^ Sultan, Aisha (July 20, 2018). "Sultan: A surge in Democratic candidates in Trump-friendly St. Charles County". St. Louis Post-Dispatch. St. Louis, Missouri. Retrieved July 17, 2025.
^ Schlinkmann, Mark (March 30, 2018). "Ehlmann has Democratic opponent; 7 vie for elections post". St. Louis Post-Dispatch. St. Louis, Missouri. p. A3. Retrieved July 17, 2025.
^ ^a ^b "August 2018 Primary Election - OFFICIAL FINAL ELECTION RESULTS". St. Charles County Election Authority. March 25, 2019. Retrieved July 9, 2025.
^ Mannies, Jo (August 14, 2017). "St. Charles County's top official running for a 4th term". St. Louis Public Radio. St. Louis, Missouri. Retrieved July 17, 2025.
^ "November 2018 General Election - OFFICIAL FINAL ELECTION RESULTS". St. Charles County Election Authority. March 26, 2019. Retrieved July 9, 2025.

[1] Sultan, Aisha (July 20, 2018). "Sultan: A surge in Democratic candidates in Trump-friendly St. Charles County". St. Louis Post-Dispatch. St. Louis, Missouri. Retrieved July 17, 2025.

[2] Schlinkmann, Mark (March 30, 2018). "Ehlmann has Democratic opponent; 7 vie for elections post". St. Louis Post-Dispatch. St. Louis, Missouri. p. A3. Retrieved July 17, 2025.

[primary_results-3] "August 2018 Primary Election - OFFICIAL FINAL ELECTION RESULTS". St. Charles County Election Authority. March 25, 2019. Retrieved July 9, 2025.

[4] Mannies, Jo (August 14, 2017). "St. Charles County's top official running for a 4th term". St. Louis Public Radio. St. Louis, Missouri. Retrieved July 17, 2025.

[5] "November 2018 General Election - OFFICIAL FINAL ELECTION RESULTS". St. Charles County Election Authority. March 26, 2019. Retrieved July 9, 2025.

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