Chatham-Kent—Leamington in relation to other southwestern Ontario electoral districts | |||
| Provincial electoral district | |||
| Legislature | Legislative Assembly of Ontario | ||
| MPP |
Progressive Conservative | ||
| District created | 1999 | ||
| First contested | 1999 | ||
| Last contested | 2025 | ||
| Demographics | |||
| Population (2016) | 109,620 | ||
| Electors (2018) | 82,799 | ||
| Area (km²) | 3,036 | ||
| Pop. density (per km²) | 36.1 | ||
| Census division(s) | Chatham-Kent,Essex County, | ||
| Census subdivision(s) | Chatham-Kent,LakeshoreLeamington | ||

Chatham-Kent—Leamington (formerlyChatham-Kent—Essex andChatham—Kent Essex) is a provincialelectoral district insouthwestern,Ontario,Canada. It elects one member to theLegislative Assembly of Ontario.
It was created in 1999 from parts ofEssex—Kent,Chatham-Kent andEssex South.
When the riding was created, it included all ofKent County south of theThames River, the city ofChatham, the town ofLeamington and the Township ofMersea Township.
In 2007, the boundaries did not change.
As a result of the 2012 federal boundary redistricting, the name of the district was changed to Chatham-Kent—Leamington.
This riding has elected the following members of theLegislative Assembly of Ontario:
| Assembly | Years | Member | Party | |
|---|---|---|---|---|
| Chatham-Kent—Essex Riding created fromEssex—Kent,Chatham—Kent andEssex South | ||||
| 37th | 1999–2003 | Pat Hoy | Liberal | |
| 38th | 2003–2007 | |||
| 39th | 2007–2011 | |||
| 40th | 2011–2014 | Rick Nicholls | Progressive Conservative | |
| 41st | 2014–2018 | |||
| Chatham-Kent—Leamington | ||||
| 42nd | 2018–2021 | Rick Nicholls | Progressive Conservative | |
| 2021–2021 | Independent | |||
| 2021–2022 | Ontario Party | |||
| 43rd | 2022–present | Trevor Jones | Progressive Conservative | |

| 2025 Ontario general election | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | Expenditures | |||
| Progressive Conservative | Trevor Jones | 22,255 | 52.03 | +4.51 | $51,184 | |||
| Liberal | Billy Kirby | 7,856 | 18.37 | N/A | $5,429 | |||
| New Democratic | Christian Sachs | 7,333 | 17.14 | –13.14 | $21,526 | |||
| New Blue | Rhonda Jubenville | 3,387 | 7.92 | +3.95 | $30,394 | |||
| Green | Matthew Davey | 1,241 | 2.90 | –0.47 | $0 | |||
| Ontario Party | Phillip St-Laurent | 704 | 1.65 | –13.21 | $965 | |||
| Total valid votes/expense limit | 42,776 | 99.11 | +4.41 | $143,786 | ||||
| Total rejected, unmarked, and declined ballots | 384 | 0.89 | -4.41 | |||||
| Turnout | 43,160 | 48.82 | +3.95 | |||||
| Eligible voters | 88,408 | |||||||
| Progressive Conservativehold | Swing | –7.0 | ||||||
| Source:Elections Ontario[1] | ||||||||

| 2022 Ontario general election | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | Expenditures | |||
| Progressive Conservative | Trevor Jones | 17,522 | 47.52 | −4.40 | $69,271 | |||
| New Democratic | Brock McGregor | 11,163 | 30.28 | −5.43 | $54,449 | |||
| Ontario Party | Rick Nicholls | 5,478 | 14.86 | −37.06 | $15,238 | |||
| New Blue | Rhonda Jubenville | 1,463 | 3.97 | $18,963 | ||||
| Green | Jennifer Surerus | 1,244 | 3.37 | −0.17 | $381 | |||
| Total valid votes/expense limit | 36,870 | 94.70 | -3.92 | $121,477 | ||||
| Total rejected, unmarked, and declined ballots | 2,064 | 5.30 | +3.92 | |||||
| Turnout | 38,934 | 44.87 | -11.92 | |||||
| Eligible voters | 85,468 | |||||||
| Progressive Conservativegain fromOntario Party | Swing | +0.52 | ||||||
Source(s)
| ||||||||
| 2018 Ontario general election | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | ||||
| Progressive Conservative | Rick Nicholls | 24,078 | 51.92 | +14.09 | ||||
| New Democratic | Jordan McGrail | 16,558 | 35.71 | +4.60 | ||||
| Liberal | Margaret Schleier Stahl | 3,736 | 8.06 | -16.37 | ||||
| Green | Mark Vercouteren | 1,643 | 3.54 | -1.72 | ||||
| Independent | Drew Barry John Simpson | 358 | 0.77 | N/A | ||||
| Total valid votes | 46,373 | 98.62 | ||||||
| Total rejected, unmarked and declined ballots | 647 | 1.38 | ||||||
| Turnout | 47,020 | 56.79 | +5.46 | |||||
| Eligible voters | 82,799 | |||||||
| Progressive Conservativehold | Swing | +4.74 | ||||||
| Source:Elections Ontario[2][3] | ||||||||
| 2014 Ontario general election | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | ||||
| Progressive Conservative | Rick Nicholls | 14,183 | 37.83 | -3.95 | ||||
| New Democratic | Dan Gelinas | 11,664 | 31.11 | +7.86 | ||||
| Liberal | Terry Johnson | 9,158 | 24.43 | -7.71 | ||||
| Green | Ken Bell | 1,971 | 5.26 | +2.42 | ||||
| Libertarian | Douglas McLarty | 514 | 1.37 | – | ||||
| Total valid votes | 37,490 | 100.0 | ||||||
| Progressive Conservativehold | Swing | -5.90 | ||||||
| Source:Elections Ontario[3][4][note 1] | ||||||||
| 2011 Ontario general election | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | ||||
| Progressive Conservative | Rick Nicholls | 15,121 | 41.78 | +13.08 | ||||
| Liberal | Paul Watson | 11,631 | 32.14 | -19.85 | ||||
| New Democratic | Aleksandra Navarro | 8,415 | 23.25 | +10.52 | ||||
| Green | Holly Sullivan | 1,027 | 2.84 | -2.85 | ||||
| Total valid votes | 36,194 | 100.00 | ||||||
| Total rejected, unmarked and declined ballots | 233 | 0.64 | ||||||
| Turnout | 36,427 | 49.41 | ||||||
| Eligible voters | 73,727 | |||||||
| Progressive Conservativegain fromLiberal | Swing | +16.47 | ||||||
| Source: Elections Ontario[5] | ||||||||
| 2007 Ontario general election | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | ||||
| Liberal | Pat Hoy | 18,782 | 51.98 | -6.93 | ||||
| Progressive Conservative | Doug Jackson | 10,367 | 28.69 | -0.60 | ||||
| New Democratic | Murray Gaudreau | 4,601 | 12.73 | +5.04 | ||||
| Green | Ken Bell | 2,054 | 5.69 | * | ||||
| Family Coalition | Mark Morin | 326 | 0.90 | |||||
| Total valid votes | 36,130 | 100.00 | ||||||
| Liberalhold | Swing | -3.16 | ||||||
^ Change based on redistributed results
| 2003 Ontario general election | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | ||||
| Liberal | Pat Hoy | 23,022 | 59.26 | +3.22 | ||||
| Progressive Conservative | Dave Wilkinson | 11,586 | 29.82 | -7.72 | ||||
| New Democratic | Derry McKeever | 2,893 | 7.45 | +2.10 | ||||
| Green | Jim Burgess | 1,069 | 2.75 | +1.68 | ||||
| Freedom | David Rodman | 281 | 0.72 | |||||
| Total valid votes | 38,851 | 100.00 | ||||||
| 1999 Ontario general election | ||||||||
|---|---|---|---|---|---|---|---|---|
| Party | Candidate | Votes | % | |||||
| Liberal | Pat Hoy | 24,239 | 56.04 | |||||
| Progressive Conservative | Jack Carroll | 16,238 | 37.54 | |||||
| New Democratic | Brian Sharp | 2,316 | 5.35 | |||||
| Green | Greg Zolad | 462 | 1.07 | |||||
| Total valid votes | 43,255 | 100.00 | ||||||
| 2007 Ontario electoral reform referendum | |||
|---|---|---|---|
| Side | Votes | % | |
| First Past the Post | 24,235 | 69.3 | |
| Mixed member proportional | 10,734 | 30.7 | |
| Total valid votes | 34,969 | 100.0 | |