Missouri State Senate District 8
Tue, Nov 3 · Represented by Mike Cierpiot Republican · Member list as of Oct 28Mike Cierpiot isn’t on the ballot for this seat
Last result · 2022 general (different candidates): Mike Cierpiot (R) 55.8, Antoine D. Jennings (D) 44.2
- Earlier results
- Mike Cierpiot (Republican) won by 9.3 points, 2018, older linesWill Kraus (Republican) was unopposed, 2014, older linesAll 15 elections
Side by side
Left column: IngleRight column: Patterson
- Donor-based spectrum
- LiberalCentristConservativeInglePatterson
- Races
- Won 4 of 4
- Won 4 of 4
How these are counted
The spectrum is a published research score, not our rating. How this works. Wins and losses count the races in our results files, the same as each profile.
Past results
- Votes for listed candidates
- 68,118
- Election day
- November 8, 2022
- District map
- Same as today
Missouri Senate District 8, 1968 to 2022, 2022, every candidate Candidate Party Votes and share Share RepublicanMike CierpiotWon(incumbent) Republican 38,01855.8% DemocraticAntoine D. Jennings Democratic 30,10044.2% - Votes for listed candidates
- 75,277
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Missouri Senate District 8, 1968 to 2022, 2018, every candidate Candidate Party Votes and share Share RepublicanMike CierpiotWon Republican 41,15054.7% DemocraticHillary Shields Democratic 34,12745.3% - Votes for listed candidates
- 31,432
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Missouri Senate District 8, 1968 to 2022, 2014, every candidate Candidate Party Votes and share Share RepublicanWill KrausWon(incumbent) Republican 31,432100.0% - Votes for listed candidates
- 63,772
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Missouri Senate District 8, 1968 to 2022, 2010, every candidate Candidate Party Votes and share Share RepublicanWill KrausWon Republican 50,61579.4% LibertarianKevin Parr Libertarian 13,15720.6%
1968 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Only part of this chamber is up in a given cycle. Which districts vote on which date is not on file. Last contest in this district on file: 2022.
All elections (15 for this seat)
- Votes for listed candidates
- 68,118
- Election day
- November 8, 2022
- District map
- Same as today
Missouri Senate District 8, 1968 to 2022, 2022, every candidate Candidate Party Votes and share Share RepublicanMike CierpiotWon(incumbent) Republican 38,01855.8% DemocraticAntoine D. Jennings Democratic 30,10044.2% - Votes for listed candidates
- 75,277
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Missouri Senate District 8, 1968 to 2022, 2018, every candidate Candidate Party Votes and share Share RepublicanMike CierpiotWon Republican 41,15054.7% DemocraticHillary Shields Democratic 34,12745.3% - Votes for listed candidates
- 31,432
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Missouri Senate District 8, 1968 to 2022, 2014, every candidate Candidate Party Votes and share Share RepublicanWill KrausWon(incumbent) Republican 31,432100.0% - Votes for listed candidates
- 63,772
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Missouri Senate District 8, 1968 to 2022, 2010, every candidate Candidate Party Votes and share Share RepublicanWill KrausWon Republican 50,61579.4% LibertarianKevin Parr Libertarian 13,15720.6% - Votes for listed candidates
- 74,980
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Missouri Senate District 8, 1968 to 2022, 2006, every candidate Candidate Party Votes and share Share RepublicanMatt BartleWon(incumbent) Republican 43,86058.5% DemocraticJason Norbury Democratic 31,12041.5% - Votes for listed candidates
- 59,682
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Missouri Senate District 8, 1968 to 2022, 2002, every candidate Candidate Party Votes and share Share RepublicanMatt BartleWon Republican 36,39361.0% DemocraticBruce A. Dotson Democratic 23,28939.0% - Votes for listed candidates
- 61,243
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Missouri Senate District 8, 1968 to 2022, 1998, every candidate Candidate Party Votes and share Share RepublicanBill KenneyWon(incumbent) Republican 34,47056.3% DemocraticPat Starke Democratic 25,55841.7% LibertarianChris Caviness Libertarian 1,2152.0% - Votes for listed candidates
- 61,930
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Missouri Senate District 8, 1968 to 2022, 1994, every candidate Candidate Party Votes and share Share RepublicanBill KenneyWon Republican 35,08156.6% DemocraticMargaret Rennau Democratic 26,84943.4% - Votes for listed candidates
- 47,241
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Missouri Senate District 8, 1968 to 2022, 1990, every candidate Candidate Party Votes and share Share RepublicanRobert T. JohnsonWon(incumbent) Republican 25,38353.7% DemocraticWilliam G. Snyder Democratic 21,85846.3% - Votes for listed candidates
- 46,753
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Missouri Senate District 8, 1968 to 2022, 1986, every candidate Candidate Party Votes and share Share RepublicanRobert Thane JohnsonWon(incumbent) Republican 24,95453.4% DemocraticLester Patterson Democratic 21,79946.6% - Votes for listed candidates
- 48,751
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Missouri Senate District 8, 1968 to 2022, 1982, every candidate Candidate Party Votes and share Share RepublicanRobert Thane JohnsonWon Republican 26,81955.0% DemocraticClarence H. Heflin(incumbent) Democratic 21,93245.0% - Votes for listed candidates
- 47,057
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
Missouri Senate District 8, 1968 to 2022, 1978, every candidate Candidate Party Votes and share Share DemocraticDon ManfordWon(incumbent) Democratic 34,97574.3% RepublicanEd Slocum Republican 12,08225.7% - Votes for listed candidates
- 29,131
- Election day
- November 4, 1974
- District map
- Older district map (1972 to 1981)
Missouri Senate District 8, 1968 to 2022, 1974, every candidate Candidate Party Votes and share Share DemocraticDon ManfordWon(incumbent) Democratic 20,19169.3% RepublicanTom Williams Waterhouse Republican 8,94030.7% - Votes for listed candidates
- 30,625
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
Missouri Senate District 8, 1968 to 2022, 1970, every candidate Candidate Party Votes and share Share DemocraticDon ManfordWon(incumbent) Democratic 18,47460.3% RepublicanCurtis C. Clinger Republican 12,15139.7% - Votes for listed candidates
- 11,045
- Election day
- not on file
- Type
- Special election
- District map
- Older district map (1966 to 1971)
Missouri Senate District 8, 1968 to 2022, 1968, every candidate Candidate Party Votes and share Share DemocraticDonald ManfordWon Democratic 7,47067.6% RepublicanBob Frank Republican 3,57532.4%
More about this race
Open seat
The current holder, Mike Cierpiot, is not on the candidate list.
Source: sos.mo.gov (PDF), dated Aug 25
District map
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
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Download and cite
Cite this page
Election Wrld. (2026). Missouri State Senate District 8, election results 1968 to 2022. https://www.electionwrld.com/mo/senate/8. Retrieved October 31, 2026.
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<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY)Data as of Oct 28, 2026