2018 Republican Primary Election Results: U.S. Senate (Class 1)

Republican primary elections only
All races
  
  
  
2018
   to



















Any party wins
Single office

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County-level results
Mike Braun Allen Lucas (Luke) Messer Todd Rokita
Adams 1,639
(43.56%)
848
(22.54%)
1,276
(33.91%)
Allen 9,310
(41.12%)
5,248
(23.18%)
8,084
(35.70%)
Bartholomew 2,908
(32.75%)
4,148
(46.72%)
1,823
(20.53%)
Benton 350
(35.11%)
190
(19.06%)
457
(45.84%)
Blackford 596
(36.72%)
541
(33.33%)
486
(29.94%)
Boone 3,521
(43.18%)
1,970
(24.16%)
2,664
(32.67%)
Brown 933
(41.69%)
575
(25.69%)
730
(32.62%)
Carroll 956
(38.06%)
511
(20.34%)
1,045
(41.60%)
Cass 2,093
(44.17%)
837
(17.67%)
1,808
(38.16%)
Clark 2,716
(42.15%)
1,912
(29.67%)
1,816
(28.18%)
Clay 1,561
(54.58%)
620
(21.68%)
679
(23.74%)
Clinton 1,437
(32.82%)
919
(20.99%)
2,022
(46.19%)
Crawford 642
(47.63%)
461
(34.20%)
245
(18.18%)
Daviess 3,214
(61.50%)
1,298
(24.84%)
714
(13.66%)
Dearborn 1,064
(19.77%)
3,444
(63.99%)
874
(16.24%)
Decatur 937
(22.58%)
2,732
(65.83%)
481
(11.59%)
DeKalb 1,804
(38.95%)
1,278
(27.60%)
1,549
(33.45%)
Delaware 2,379
(35.73%)
2,895
(43.48%)
1,384
(20.79%)
Dubois 3,289
(83.97%)
349
(8.91%)
279
(7.12%)
Elkhart 6,301
(39.91%)
4,157
(26.33%)
5,332
(33.77%)
Fayette 469
(28.30%)
803
(48.46%)
385
(23.23%)
Floyd 1,921
(44.94%)
1,404
(32.84%)
950
(22.22%)
Fountain 1,163
(35.72%)
700
(21.50%)
1,393
(42.78%)
Franklin 632
(21.56%)
1,926
(65.71%)
373
(12.73%)
Fulton 920
(43.40%)
568
(26.79%)
632
(29.81%)
Gibson 2,454
(54.89%)
1,075
(24.04%)
942
(21.07%)
Grant 2,198
(33.98%)
2,284
(35.31%)
1,987
(30.72%)
Greene 1,400
(52.08%)
618
(22.99%)
670
(24.93%)
Hamilton 13,666
(42.45%)
9,964
(30.95%)
8,562
(26.60%)
Hancock 3,872
(35.14%)
4,979
(45.19%)
2,167
(19.67%)
Harrison 2,220
(45.08%)
1,603
(32.55%)
1,102
(22.38%)
Hendricks 6,762
(38.54%)
4,032
(22.98%)
6,751
(38.48%)
Henry 1,783
(33.32%)
2,331
(43.56%)
1,237
(23.12%)
Howard 3,081
(41.09%)
1,680
(22.41%)
2,737
(36.50%)
Huntington 1,952
(37.86%)
1,441
(27.95%)
1,763
(34.19%)
Jackson 2,194
(37.07%)
2,317
(39.15%)
1,408
(23.79%)
Jasper 2,132
(47.47%)
797
(17.75%)
1,562
(34.78%)
Jay 1,075
(41.55%)
721
(27.87%)
791
(30.58%)
Jefferson 579
(26.43%)
1,265
(57.74%)
347
(15.84%)
Jennings 583
(26.52%)
1,249
(56.82%)
366
(16.65%)
Johnson 6,176
(42.88%)
4,059
(28.18%)
4,168
(28.94%)
Knox 2,558
(54.09%)
1,182
(24.99%)
989
(20.91%)
Kosciusko 4,350
(39.10%)
3,325
(29.89%)
3,449
(31.01%)
LaGrange 1,265
(38.84%)
920
(28.25%)
1,072
(32.91%)
Lake 5,667
(40.86%)
2,102
(15.15%)
6,102
(43.99%)
LaPorte 2,169
(47.88%)
931
(20.55%)
1,430
(31.57%)
Lawrence 1,809
(38.63%)
1,060
(22.64%)
1,814
(38.74%)
Madison 3,929
(39.47%)
3,160
(31.75%)
2,865
(28.78%)
Marion 16,495
(43.49%)
11,137
(29.36%)
10,295
(27.14%)
Marshall 1,878
(43.59%)
1,106
(25.67%)
1,324
(30.73%)
Martin 748
(64.82%)
233
(20.19%)
173
(14.99%)
Miami 1,779
(42.44%)
999
(23.83%)
1,414
(33.73%)
Monroe 1,662
(38.81%)
1,000
(23.35%)
1,620
(37.83%)
Montgomery 1,515
(35.76%)
950
(22.43%)
1,771
(41.81%)
Morgan 3,767
(39.80%)
1,883
(19.89%)
3,815
(40.31%)
Newton 723
(41.39%)
308
(17.63%)
716
(40.98%)
Noble 2,050
(38.87%)
1,294
(24.54%)
1,930
(36.59%)
Ohio 84
(17.32%)
337
(69.48%)
64
(13.20%)
Orange 598
(40.22%)
432
(29.05%)
457
(30.73%)
Owen 938
(43.75%)
520
(24.25%)
686
(32.00%)
Parke 913
(50.78%)
370
(20.58%)
515
(28.64%)
Perry 493
(58.07%)
175
(20.61%)
181
(21.32%)
Pike 824
(61.86%)
317
(23.80%)
191
(14.34%)
Porter 3,852
(47.53%)
1,399
(17.26%)
2,854
(35.21%)
Posey 926
(59.47%)
262
(16.83%)
369
(23.70%)
Pulaski 749
(46.58%)
382
(23.76%)
477
(29.66%)
Putnam 1,849
(38.88%)
1,079
(22.69%)
1,828
(38.44%)
Randolph 1,046
(32.47%)
1,532
(47.56%)
643
(19.96%)
Ripley 467
(21.11%)
1,401
(63.34%)
344
(15.55%)
Rush 889
(32.93%)
1,345
(49.81%)
466
(17.26%)
St. Joseph 5,032
(41.58%)
3,142
(25.96%)
3,929
(32.46%)
Scott 418
(33.15%)
601
(47.66%)
242
(19.19%)
Shelby 1,598
(31.03%)
2,740
(53.20%)
812
(15.77%)
Spencer 1,236
(57.09%)
407
(18.80%)
522
(24.11%)
Starke 675
(44.82%)
328
(21.78%)
503
(33.40%)
Steuben 1,198
(39.70%)
720
(23.86%)
1,100
(36.45%)
Sullivan 803
(52.93%)
312
(20.57%)
402
(26.50%)
Switzerland 251
(22.37%)
732
(65.24%)
139
(12.39%)
Tippecanoe 5,346
(36.95%)
2,844
(19.66%)
6,278
(43.39%)
Tipton 1,099
(43.11%)
689
(27.03%)
761
(29.85%)
Union 167
(24.45%)
416
(60.91%)
100
(14.64%)
Vanderburgh 4,308
(54.38%)
1,526
(19.26%)
2,088
(26.36%)
Vermillion 402
(52.34%)
157
(20.44%)
209
(27.21%)
Vigo 2,422
(55.91%)
826
(19.07%)
1,084
(25.02%)
Wabash 1,963
(41.17%)
1,264
(26.51%)
1,541
(32.32%)
Warren 496
(38.81%)
208
(16.28%)
574
(44.91%)
Warrick 2,253
(52.53%)
855
(19.93%)
1,181
(27.54%)
Washington 1,065
(40.30%)
890
(33.67%)
688
(26.03%)
Wayne 2,006
(30.90%)
3,049
(46.97%)
1,436
(22.12%)
Wells 1,523
(45.18%)
781
(23.17%)
1,067
(31.65%)
White 1,690
(39.30%)
795
(18.49%)
1,815
(42.21%)
Whitley 1,777
(40.97%)
959
(22.11%)
1,601
(36.91%)