March 3, 2020 Primary

U.S. Senator

March 3, 2020 · 1,934,047 votes cast · 254 counties

Statewide total

Official canvass
JOHN CORNYNREP1,470,66976.0%
DWAYNE STOVALLREP231,10411.9%
MARK YANCEYREP124,8646.5%
JOHN ANTHONY CASTROREP86,9164.5%
VIRGIL BIERSCHWALEREP20,4941.1%
Margin: 1,239,565 votes (64.1%)

Results by county

CountyCORNYNSTOVALLYANCEYCASTROBIERSCHWALETotal
Anderson5,483938486544447,495
Andrews1,636306158247312,378
Angelina9,1701,6718675178012,305
Aransas3,094317238168403,857
Archer1,64035628592322,405
Armstrong51355421314637
Atascosa3,103408484336464,377
Austin3,467683337148444,679
Bailey59393379030843
Bandera3,074412207167883,948
Bastrop6,107752464372777,772
Baylor65474712010829
Bee1,18612988147161,566
Bell17,8212,1611,1251,05537722,539
Bexar65,7424,8473,7354,15680179,281
Blanco1,8422059492382,271
Borden174251534221
Bosque2,526732199129383,624
Bowie8,9921,55577739713411,855
Brazoria23,6345,3942,2512,46237134,112
Brazos13,9841,7501,12698819018,038
Brewster606194635913935
Briscoe3615432226475
Brooks383615365
Brown3,7351,594300142545,825
Burleson2,64236418297393,324
Burnet5,467630248144626,551
Caldwell2,349454156120383,117
Calhoun1,57022316876252,062
Callahan1,79526615774152,307
Cameron5,1157295341,405857,868
Camp1,549137986561,855
Carson1,08614654106221,414
Cass3,0776472721631094,268
Castro48052892311655
Chambers4,9389606203281136,959
Cherokee5,352984784154317,305
Childress8741527770321,205
Clay1,948436223113402,760
Cochran29931303318411
Coke567176411315812
Coleman1,61338614582322,258
Collin50,9787,8385,5012,38550567,207
Collingsworth4797439484644
Colorado2,689443251110393,532
Comal16,7741,78385991321920,548
Comanche1,85449513391412,614
Concho53292366515740
Cooke5,9901,0585064331038,090
Coryell4,9306854933061196,533
Cottle2453825264338
Crane37454537624581
Crockett255763610624497
Crosby54293509510790
Culberson17243026
Dallam54592524911749
Dallas68,4517,1373,9273,77760083,892
Dawson1,110147154147161,574
DeWitt1,78760014192192,639
Deaf Smith1,1011615399211,435
Delta90419212758121,293
Denton48,7517,9674,8811,79644963,844
Dickens3149322137449
Dimmit501258277
Donley6095839196731
Duval782210400150
Eastland2,1521,000288125293,594
Ector7,7941,67271136913210,678
Edwards38364535514569
El Paso12,4301,8218102,28131417,656
Ellis17,3662,1301,41976732322,005
Erath5,570851362336767,195
Falls1,3901489535131,681
Fannin3,531642335179414,728
Fayette3,815564231129284,767
Fisher4388329134567
Floyd638116426011867
Foard1983120226277
Fort Bend44,6955,1702,1892,15180355,008
Franklin1,18726711428171,613
Freestone2,358424211116233,132
Frio2564327447377
Gaines1,0972218651101,465
Galveston20,8552,9081,4501,61726427,094
Garza4117334284550
Gillespie4,3105791901643925,635
Glasscock2603720113331
Goliad93920911166151,340
Gonzales2,138608173261223,202
Gray2,705459292129473,632
Grayson10,1191,6001,45939311213,683
Gregg7,9921,6955382254610,496
Grimes2,656625280203513,815
Guadalupe12,8301,3451,09484338116,493
Hale1,80738776128122,410
Hall3544826149451
Hamilton1,52037315673432,165
Hansford87063842771,051
Hardeman4079051415594
Hardin6,0521,486552369618,520
Harris147,91419,01511,1906,8001,553186,472
Harrison5,4361,0631,152176367,863
Hartley8231296429201,065
Haskell5669735458751
Hays11,8361,56963575314314,936
Hemphill5897531327734
Henderson9,2861,2416962834611,552
Hidalgo8,4779205101,54819811,653
Hill3,912613278308435,154
Hockley2,484286171181143,136
Hood9,5011,91362644319912,682
Hopkins3,439606277126364,484
Houston2,67754636982163,690
Howard2,272442319195313,259
Hudspeth823220125151
Hunt7,9313,2504883866312,118
Hutchinson2,983602453215844,337
Irion3275649188458
Jack1,21421015681181,679
Jackson1,72733426096202,437
Jasper3,992718811130265,677
Jeff Davis31073262710446
Jefferson11,0721,33568533311913,544
Jim Hogg9111012
Jim Wells714117145160141,150
Johnson11,7572,5821,47548621216,512
Jones1,741403162211302,547
Karnes1,21312887100851,613
Kaufman10,4841,4621,77358714414,450
Kendall5,6194793392001276,764
Kenedy10004115
Kent110461033172
Kerr7,5091,1726153412359,872
Kimble84721950581381,312
King72490489
Kinney561394313616795
Kleberg1,065234117173171,606
Knox43112075479682
La Salle538812283
Lamar5,110671486161886,516
Lamb1,332168676271,636
Lampasas2,29931714992702,927
Lavaca2,92856718784213,787
Lee2,161248143145292,726
Leon2,633468408102393,650
Liberty6,1922,060642393699,356
Limestone3,280328242146304,026
Lipscomb57175674011764
Live Oak1,27120310081111,666
Llano3,885633154149614,882
Loving14442024
Lubbock22,6572,6461,2082,08925528,855
Lynn644134468010914
Madison1,330333111158111,943
Marion1,0862199349131,460
Martin70510766105171,000
Mason1,06112081751071,444
Matagorda3,2068082303011034,648
Maverick2102649616352
McCulloch1,249293118112781,850
McLennan18,2962,6111,46472322023,314
McMullen1631121217223
Medina4,235356647275555,568
Menard34757342425487
Midland14,7982,5001,2321,08417419,788
Milam2,889409372179563,905
Mills9591839839171,296
Mitchell7323056867101,182
Montague2,802532242233343,843
Montgomery42,93911,2624,2021,66960260,674
Moore1,822231123124142,314
Morris8581937342101,176
Motley297391532356
Nacogdoches6,231609265215647,384
Navarro5,681653304292426,972
Newton1,646360348126462,526
Nolan1,45031783137192,006
Nueces12,2351,4378491,20319215,916
Ochiltree1,25716010089151,621
Oldham4565239105562
Orange8,7782,48081356111012,742
Palo Pinto3,338780291181414,631
Panola2,688498385251343,856
Parker17,5252,2771,4141,61212022,948
Parmer62280383414788
Pecos824159121160131,277
Polk4,6641,140517443846,848
Potter6,7391,103515246738,676
Presidio86259143137
Rains1,672297129102102,210
Randall15,6682,4471,08949317519,872
Reagan3595839796541
Real63553435621808
Red River1,21626816045381,727
Reeves58787383
Refugio895816099151,150
Roberts310372854384
Robertson1,97832922571282,631
Rockwall9,9181,2455266186612,373
Runnels1,37120918271291,862
Rusk5,8891,685467204378,282
Sabine1,497294167126182,102
San Augustine9902106654131,333
San Jacinto2,987659211134344,025
San Patricio3,511611458344544,978
San Saba9591807854151,286
Schleicher3266737318469
Scurry1,634216380130272,387
Shackelford6017515265722
Shelby3,508456346447564,813
Sherman43658382022574
Smith18,6106,9181,28660016127,575
Somervell1,42342417161232,102
Starr28622139
Stephens1,2782579338101,676
Sterling2123011124269
Stonewall123381644185
Sutton490454116022758
Swisher70177884611923
Tarrant93,83316,81011,7814,1021,559128,085
Taylor11,8861,92456974020615,325
Terrell671007084
Terry1,12017299245181,654
Throckmorton2555326139356
Titus2,535421506102183,582
Tom Green11,0161,0571,96164116414,839
Travis33,5603,2111,7841,63636340,554
Trinity2,056410392166293,053
Tyler2,573747475123593,977
Upshur4,053776437430385,734
Upton4047631736590
Uvalde1,650208215194352,302
Val Verde1,620246235420562,577
Van Zandt7,1161,664700264889,832
Victoria8,2281,2447935066510,836
Walker3,990807365148655,375
Waller3,2421,107304151284,832
Ward85818396171241,332
Washington3,85841444857274,804
Webb1,490244189805582,786
Wharton4,6901,116276679636,824
Wheeler91921211787321,367
Wichita9,5301,36383540410312,235
Wilbarger1,70218316198542,198
Willacy99296112147
Williamson35,1663,4651,6342,28428242,831
Wilson5,1796313894551086,762
Winkler4549063546667
Wise6,8851,4145622581649,283
Wood7,226977508302799,092
Yoakum6841134512710979
Young2,35146648486253,412
Zapata17627133
Zavala707314498
County totals reconcile to the statewide total

Source: 2020 MARCH 3RD REPUBLICAN PRIMARY/CountybyCountyCanvassReport.xlsx, 2020 MARCH 3RD REPUBLICAN PRIMARY/OfficialCanvassReport.xlsx — Texas Secretary of State, loaded 9/7/2026