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★County Profile

Collin County

Election results and voting trends

4,627,200
Total Votes
R+13
Party Lean *
52
Elections Covered
10
General Elections

Voting Trends

R vs D turnout over time

Primary Turnout

R vs D primary voters in Collin County

050K100K150K200K20062008201020122014201620182020202220242026
Republican
Democrat

Runoff Turnout

R vs D runoff voters in Collin County

013K25K38K50K2006200820102012201420162018202020222024
Republican
Democrat

General Election

Highest-turnout race per year in Collin County

0125K250K375K500K2006200820102012201420162018202020222024
Republican
Democrat

Party Lean Trend

How Collin County's partisan lean has shifted over time

Party Lean Trend

Recency-weighted lean across general elections

53%58%64%69%74%2006200820102012201420162018202020222024
R territory
D territory
50% line

Ballot Composition

Contested and uncontested general election races

11223445231538200617623200821113220102112332012231336201419524201633639201828302020252520222810382024
ContestedUncontested

Standout Performers

Candidates who most over- or under-performed Collin County's partisan lean

2018DBeto O'Rourke
+8.4
U. S. Senator46.9% actual38.5% exp
2018RTed Cruz
-8.4
U. S. Senator53.1% actual61.5% exp
2016DHillary Clinton / Tim Kaine
+7.8
President/Vice-President41.2% actual33.4% exp
2016RDonald J. Trump / Mike Pence
-7.8
President/Vice-President58.8% actual66.6% exp
2018DJustin Nelson
+7.3
Attorney General45.8% actual38.5% exp
2018RKen Paxton
-7.3
Attorney General54.2% actual61.5% exp
2018DMike Collier
+6.1
Lieutenant Governor44.6% actual38.5% exp
2018RDan Patrick
-6.1
Lieutenant Governor55.4% actual61.5% exp
2020DJOSEPH R. BIDEN/KAMALA D. HARRIS
+5.9
PRESIDENT/VICE-PRESIDENT47.8% actual41.9% exp
2020RDONALD J. TRUMP/MICHAEL R. PENCE
-5.9
PRESIDENT/VICE-PRESIDENT52.2% actual58.1% exp
2018DKim Olson
+5.7
Commissioner of Agriculture44.2% actual38.5% exp
2018RSid Miller
-5.7
Commissioner of Agriculture55.8% actual61.5% exp
2010DBill White
+5.1
Governor34.1% actual29.0% exp
2010RRick Perry
-5.1
Governor65.9% actual71.0% exp
2024DCOLIN ALLRED
+3.7
U. S. SENATOR 47.3% actual43.6% exp
2024RTED CRUZ
-3.7
U. S. SENATOR 52.7% actual56.4% exp
2008DBarack Obama/ Joe Biden
+3.6
President/Vice-President37.1% actual33.5% exp
2008RJohn McCain/ Sarah Palin
-3.6
President/Vice-President62.9% actual66.5% exp
2018DJoi Chevalier
+3.3
Comptroller of Public Accounts41.8% actual38.5% exp
2018RGlenn Hegar
-3.3
Comptroller of Public Accounts58.2% actual61.5% exp

Election History

Voting totals by election, most recent first

Top Contested Races

Highest-turnout contested races in Collin County

PRESIDENT/VICE-PRESIDENT
2024RepublicanDONALD J. TRUMP/JD VANCE279,534 votes
U. S. SENATOR
2024RepublicanTED CRUZ263,381 votes
RAILROAD COMMISSIONER
2024RepublicanCHRISTI CRADDICK276,346 votes
JUSTICE, SUPREME COURT, PLACE 2
2024RepublicanJIMMY BLACKLOCK284,891 votes
JUSTICE, SUPREME COURT, PLACE 6
2024RepublicanJANE BLAND276,162 votes
PRESIDENT/VICE-PRESIDENT
2020RepublicanDONALD J. TRUMP/MICHAEL R. PENCE252,318 votes
PRESIDING JUDGE, COURT OF CRIMINAL APPEALS
2024RepublicanDAVID J. SCHENCK283,577 votes
MEMBER, STATE BOARD OF EDUCATION, DISTRICT 12
2024RepublicanPAM LITTLE284,794 votes
JUDGE, COURT OF CRIMINAL APPEALS, PLACE 8
2024RepublicanLEE FINLEY285,690 votes
JUSTICE, SUPREME COURT, PLACE 4
2024RepublicanJOHN DEVINE277,669 votes
JUDGE, COURT OF CRIMINAL APPEALS, PLACE 7
2024RepublicanGINA PARKER281,659 votes
CHIEF JUSTICE, 5TH COURT OF APPEALS DISTRICT
2024RepublicanJUSTIN JAY "J.J." KOCH276,706 votes
U. S. SENATOR
2020RepublicanJOHN CORNYN263,074 votes
JUSTICE, 5TH COURT OF APPEALS DISTRICT, PLACE 2
2024RepublicanJESSICA LEWIS281,106 votes
JUSTICE, 5TH COURT OF APPEALS DISTRICT, PLACE 9
2024DemocratTINA CLINTON204,432 votes
JUSTICE, 5TH COURT OF APPEALS DISTRICT, PLACE 5
2024RepublicanCYNTHIA BARBARE276,163 votes
JUSTICE, 5TH COURT OF APPEALS DISTRICT, PLACE 10
2024RepublicanEARL JACKSON274,064 votes
JUSTICE, 5TH COURT OF APPEALS DISTRICT, PLACE 11
2024RepublicanGINO J. ROSSINI275,398 votes
JUSTICE, 5TH COURT OF APPEALS DISTRICT, PLACE 12
2024RepublicanMIKE LEE277,150 votes
JUSTICE, 5TH COURT OF APPEALS DISTRICT, PLACE 13
2024RepublicanEMILY A. MISKEL275,064 votes
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