United States House elections in Illinois (March 20, 2018 Republican primaries)

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2018 U.S. House Elections in Illinois

Primary Date March 20, 2018 GOP primaries • Democratic primaries

Partisan breakdown • Candidates

Illinois' District Pages District 1 • District 2 • District 3 • District 4 • District 5 • District 6 • District 7• District 8 • District 9 • District 10• District 11 • District 12 • District 13• District 14 • District 15 • District 16• District 17 • District 18

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2018 U.S. Senate Elections

The 2018 U.S. House of Representatives elections in Illinois took place on November 6, 2018. Voters elected 18 candidates to serve in the U.S. House, one from each of the state's 18 congressional districts. This page focuses on the Republican Party primary election that took place in each district on March 20, 2018.

Candidates

Candidate ballot access
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District 1

 Republican primary candidates

• Jimmy Lee Tillman II ✔

Did not make the ballot:

• Anthony Granata

District 2

 Republican primary candidates

• Patrick Harmon
• David Merkle ✔
• John Morrow

District 3

 Republican primary candidates

• Arthur Jones ✔

District 4

 Republican primary candidates

• Mark Wayne Lorch ✔

Did not make the ballot:

• Ann Melichar
• Jay Reyes
• Ruben Sanchez, Jr.

District 5

 Republican primary candidates

• Tom Hanson ✔

District 6

 Republican primary candidates

• Peter J. Roskam (Incumbent) ✔

District 7

 Republican primary candidates

• Craig Cameron ✔
• Jeffrey Leef

District 8

 Republican primary candidates

• Jitendra Diganvker ✔

Did not make the ballot:

• Vandana Jhingan

District 9

 Republican primary candidates

• John Elleson ✔
• Max Rice
• Sargis Sangari
• D. Vincent Thomas Jr.

District 10

 Republican primary candidates

• Doug Bennett ✔
• Sapan Shah
• Jeremy Wynes

District 11

 Republican primary candidates

• Nick Stella ✔
• Connor VlaKancic

District 12

 Republican primary candidates

• Mike Bost (Incumbent) ✔
• Preston Nelson

District 13

 Republican primary candidates

• Rodney Davis (Incumbent) ✔

District 14

 Republican primary candidates

• Randy Hultgren (Incumbent) ✔

District 15

 Republican primary candidates

• John Shimkus (Incumbent) ✔

District 16

 Republican primary candidates

• Adam Kinzinger (Incumbent) ✔
• James Marter

Did not make the ballot:

• Jaye DeBates

District 17

 Republican primary candidates

• Bill Fawell ✔ 

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= candidate completed Ballotpedia's Candidate Connection survey

District 18

 Republican primary candidates

• Darin LaHood (Incumbent) ✔
• Donald Rients

Pivot Counties

See also: Pivot Counties by state

Eleven of 102 Illinois counties—10.8 percent—are Pivot Counties. These are counties that voted for Barack Obama (D) in 2008 and 2012 and for Donald Trump (R) in 2016. Altogether, the nation had 206 Pivot Counties, with most being concentrated in upper midwestern and northeastern states.

Counties won by Trump in 2016 and Obama in 2012 and 2008
County	Trump margin of victory in 2016	Obama margin of victory in 2012	Obama margin of victory in 2008
Alexander County, Illinois	8.30%	13.65%	12.62%
Carroll County, Illinois	26.69%	1.49%	4.81%
Fulton County, Illinois	14.93%	11.04%	21.33%
Henderson County, Illinois	28.43%	12.25%	17.67%
Henry County, Illinois	20.99%	3.08%	7.74%
Jo Daviess County, Illinois	14.64%	1.16%	10.49%
Knox County, Illinois	2.91%	17.37%	19.89%
Mercer County, Illinois	20.36%	7.39%	11.91%
Putnam County, Illinois	19.92%	1.82%	15.64%
Warren County, Illinois	16.50%	5.47%	8.08%
Whiteside County, Illinois	6.18%	17.02%	17.56%

In the 2016 presidential election, Hillary Clinton (D) won Illinois with 55.8 percent of the vote. Donald Trump (R) received 38.8 percent. In presidential elections between 1900 and 2016, Illinois voted Republican 50 percent of the time and Democratic 50 percent of the time. Illinois voted Democratic in all five elections from 2000 to 2016.

Presidential results by legislative district

The following table details results of the 2012 and 2016 presidential elections by state House districts in Illinois. Click [show] to expand the table. The "Obama," "Romney," "Clinton," and "Trump" columns describe the percent of the vote each presidential candidate received in the district. The "2012 Margin" and "2016 Margin" columns describe the margin of victory between the two presidential candidates in those years. The "Party Control" column notes which party held that seat heading into the 2018 general election. Data on the results of the 2012 and 2016 presidential elections broken down by state legislative districts was compiled by Daily Kos.

In 2012, Barack Obama (D) won 75 out of 118 state House districts in Illinois with an average margin of victory of 39.2 points. In 2016, Hillary Clinton (D) won 76 out of 118 state House districts in Illinois with an average margin of victory of 42.1 points. Clinton won 13 districts controlled by Republicans heading into the 2018 elections.

In 2012, Mitt Romney (R) won 43 out of 118 state House districts in Illinois with an average margin of victory of 15 points. In 2016, Donald Trump (R) won 42 out of 118 state House districts in Illinois with an average margin of victory of 22.1 points. Trump won four districts controlled by Democrats heading into the 2018 elections.

2016 presidential results by state House district
District	Obama	Romney	2012 Margin	Clinton	Trump	2016 Margin	Party Control
1	83.62%	15.21%	D+68.4	82.32%	14.37%	D+68	D
2	82.39%	15.42%	D+67	80.05%	14.65%	D+65.4	D
3	79.93%	18.51%	D+61.4	79.31%	17.11%	D+62.2	D
4	85.70%	11.51%	D+74.2	86.74%	8.01%	D+78.7	D
5	85.51%	13.50%	D+72	86.81%	9.67%	D+77.1	D
6	87.98%	11.09%	D+76.9	85.82%	10.82%	D+75	D
7	80.06%	18.99%	D+61.1	80.62%	15.84%	D+64.8	D
8	86.10%	13.03%	D+73.1	85.11%	11.52%	D+73.6	D
9	87.33%	11.58%	D+75.8	87.72%	8.52%	D+79.2	D
10	89.16%	9.51%	D+79.7	89.44%	6.93%	D+82.5	D
11	70.89%	26.65%	D+44.2	80.64%	13.16%	D+67.5	D
12	72.73%	24.96%	D+47.8	81.23%	13.31%	D+67.9	D
13	83.32%	14.08%	D+69.2	85.26%	10.09%	D+75.2	D
14	86.60%	10.95%	D+75.7	86.67%	8.59%	D+78.1	D
15	61.08%	37.44%	D+23.6	63.15%	32.35%	D+30.8	D
16	67.28%	31.33%	D+36	70.19%	26.06%	D+44.1	D
17	61.83%	36.93%	D+24.9	69.97%	25.22%	D+44.8	D
18	66.52%	31.94%	D+34.6	76.28%	18.12%	D+58.2	D
19	63.32%	34.68%	D+28.6	60.22%	34.98%	D+25.2	D
20	52.74%	45.64%	D+7.1	51.65%	43.61%	D+8	R
21	74.33%	24.11%	D+50.2	74.36%	21.32%	D+53	D
22	71.92%	26.75%	D+45.2	72.11%	24.01%	D+48.1	D
23	68.15%	30.25%	D+37.9	68.21%	27.01%	D+41.2	D
24	76.56%	21.82%	D+54.7	78.51%	17.01%	D+61.5	D
25	93.09%	5.86%	D+87.2	91.45%	5.66%	D+85.8	D
26	85.59%	13.65%	D+71.9	86.53%	10.16%	D+76.4	D
27	81.90%	17.46%	D+64.4	79.07%	18.14%	D+60.9	D
28	79.41%	19.90%	D+59.5	75.46%	21.59%	D+53.9	D
29	83.65%	15.75%	D+67.9	81.69%	15.87%	D+65.8	D
30	82.89%	16.29%	D+66.6	79.99%	16.71%	D+63.3	D
31	82.49%	16.80%	D+65.7	77.74%	19.39%	D+58.4	D
32	87.17%	12.26%	D+74.9	82.32%	15.18%	D+67.1	D
33	87.38%	12.10%	D+75.3	85.39%	12.24%	D+73.2	D
34	80.42%	18.91%	D+61.5	76.17%	21.23%	D+54.9	D
35	56.71%	41.96%	D+14.8	53.87%	41.66%	D+12.2	D
36	56.82%	41.83%	D+15	56.15%	39.16%	D+17	D
37	39.72%	58.89%	R+19.2	39.49%	55.32%	R+15.8	R
38	78.87%	20.34%	D+58.5	76.44%	20.51%	D+55.9	D
39	82.46%	14.81%	D+67.7	82.71%	12.52%	D+70.2	D
40	81.75%	15.46%	D+66.3	82.84%	11.67%	D+71.2	D
41	47.44%	51.05%	R+3.6	55.32%	38.20%	D+17.1	R
42	45.06%	53.21%	R+8.2	51.28%	41.48%	D+9.8	R
43	65.55%	32.50%	D+33.1	65.81%	28.61%	D+37.2	D
44	62.30%	36.05%	D+26.3	62.48%	32.17%	D+30.3	D
45	48.18%	50.30%	R+2.1	48.39%	46.46%	D+1.9	R
46	58.46%	39.71%	D+18.8	59.07%	35.26%	D+23.8	D
47	43.33%	55.30%	R+12	51.72%	41.63%	D+10.1	R
48	49.08%	49.10%	R+0	55.13%	37.66%	D+17.5	R
49	47.84%	50.47%	R+2.6	52.14%	40.94%	D+11.2	R
50	42.69%	55.72%	R+13	44.59%	48.88%	R+4.3	R
51	42.13%	56.55%	R+14.4	50.03%	43.68%	D+6.3	R
52	44.02%	54.27%	R+10.3	45.31%	48.09%	R+2.8	R
53	49.78%	48.75%	D+1	55.58%	38.54%	D+17	R
54	47.53%	50.89%	R+3.4	53.16%	40.31%	D+12.9	R
55	55.26%	43.04%	D+12.2	57.50%	37.06%	D+20.4	D
56	55.72%	42.70%	D+13	56.72%	37.77%	D+19	D
57	57.78%	40.95%	D+16.8	61.54%	33.50%	D+28	D
58	56.67%	42.28%	D+14.4	67.90%	27.15%	D+40.8	D
59	59.17%	39.44%	D+19.7	64.53%	30.30%	D+34.2	D
60	75.70%	23.34%	D+52.4	75.53%	20.08%	D+55.5	D
61	50.84%	47.70%	D+3.1	51.76%	42.09%	D+9.7	R
62	54.69%	43.51%	D+11.2	55.13%	38.21%	D+16.9	D
63	45.16%	52.83%	R+7.7	40.55%	52.68%	R+12.1	R
64	44.10%	54.17%	R+10.1	41.29%	52.51%	R+11.2	R
65	43.52%	55.10%	R+11.6	46.78%	47.37%	R+0.6	R
66	46.19%	52.24%	R+6.1	46.91%	46.96%	R+0.1	R
67	70.11%	28.12%	D+42	64.34%	30.36%	D+34	D
68	48.13%	50.10%	R+2	44.36%	49.75%	R+5.4	R
69	43.41%	54.91%	R+11.5	38.97%	55.13%	R+16.2	R
70	49.12%	48.75%	D+0.4	46.09%	46.77%	R+0.7	R
71	56.68%	41.68%	D+15	43.93%	50.00%	R+6.1	R
72	62.60%	35.95%	D+26.7	53.78%	40.19%	D+13.6	D
73	37.57%	60.78%	R+23.2	34.45%	59.10%	R+24.7	R
74	50.34%	47.90%	D+2.4	37.36%	56.41%	R+19.1	R
75	43.44%	54.51%	R+11.1	36.58%	57.17%	R+20.6	R
76	52.08%	46.00%	D+6.1	42.52%	51.68%	R+9.2	R
77	64.97%	33.66%	D+31.3	64.89%	30.98%	D+33.9	D
78	80.57%	18.10%	D+62.5	80.12%	15.92%	D+64.2	D
79	48.61%	49.64%	R+1	41.25%	53.07%	R+11.8	R
80	66.23%	32.75%	D+33.5	64.99%	31.42%	D+33.6	D
81	49.98%	48.31%	D+1.7	54.80%	38.55%	D+16.3	R
82	41.03%	57.68%	R+16.7	43.86%	50.67%	R+6.8	R
83	69.12%	29.20%	D+39.9	69.54%	24.80%	D+44.7	D
84	59.63%	38.93%	D+20.7	63.03%	31.19%	D+31.8	D
85	63.64%	34.81%	D+28.8	60.90%	33.45%	D+27.5	D
86	65.21%	33.17%	D+32	61.15%	34.04%	D+27.1	D
87	36.99%	60.88%	R+23.9	30.62%	63.34%	R+32.7	R
88	40.02%	57.84%	R+17.8	38.41%	54.54%	R+16.1	R
89	45.79%	52.18%	R+6.4	35.99%	57.98%	R+22	R
90	42.91%	55.12%	R+12.2	36.05%	57.26%	R+21.2	R
91	50.46%	47.13%	D+3.3	37.74%	55.81%	R+18.1	R
92	63.44%	34.67%	D+28.8	59.86%	34.18%	D+25.7	D
93	49.27%	48.45%	D+0.8	36.82%	57.40%	R+20.6	R
94	37.54%	60.67%	R+23.1	26.64%	68.63%	R+42	R
95	42.49%	54.95%	R+12.5	28.84%	65.74%	R+36.9	R
96	58.74%	39.47%	D+19.3	50.73%	44.13%	D+6.6	D
97	46.85%	51.64%	R+4.8	47.31%	46.94%	D+0.4	R
98	59.53%	39.10%	D+20.4	58.02%	36.87%	D+21.2	D
99	41.40%	56.65%	R+15.3	41.34%	52.43%	R+11.1	R
100	37.26%	60.42%	R+23.2	25.75%	69.57%	R+43.8	R
101	33.91%	64.22%	R+30.3	28.70%	65.31%	R+36.6	R
102	33.32%	64.74%	R+31.4	26.87%	67.69%	R+40.8	R
103	67.85%	28.35%	D+39.5	71.56%	20.92%	D+50.6	D
104	46.02%	52.10%	R+6.1	42.48%	52.16%	R+9.7	R
105	41.33%	56.81%	R+15.5	45.19%	47.11%	R+1.9	R
106	29.26%	68.84%	R+39.6	22.90%	71.51%	R+48.6	R
107	34.01%	64.10%	R+30.1	22.81%	72.62%	R+49.8	R
108	34.28%	63.51%	R+29.2	26.75%	67.49%	R+40.7	R
109	27.23%	70.75%	R+43.5	17.21%	79.13%	R+61.9	R
110	37.75%	60.20%	R+22.5	27.66%	67.10%	R+39.4	R
111	51.31%	46.13%	D+5.2	39.05%	55.40%	R+16.4	D
112	48.97%	48.87%	D+0.1	44.35%	49.85%	R+5.5	D
113	58.59%	39.41%	D+19.2	53.73%	41.03%	D+12.7	D
114	63.89%	34.84%	D+29.1	57.60%	38.35%	D+19.3	D
115	43.13%	53.93%	R+10.8	33.20%	61.29%	R+28.1	R
116	41.16%	56.77%	R+15.6	29.39%	66.21%	R+36.8	D
117	37.92%	59.99%	R+22.1	26.42%	69.38%	R+43	R
118	39.86%	58.03%	R+18.2	28.44%	67.59%	R+39.2	D
Total	57.61%	40.74%	D+16.9	55.96%	38.85%	D+17.1	-
Source: Daily Kos

See also

• United States House elections in Illinois (March 20, 2018 Democratic primaries)
• United States House Republican Party primaries, 2018
• United States House of Representatives elections, 2018
• U.S. House battlegrounds, 2018
• U.S. House primaries, 2018

Footnotes

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Illinois' current delegation to the United States Congress

Senators

Tammy Duckworth (D)

Dick Durbin (D)

Representatives

District 1

Jonathan Jackson (D)

District 2

Robin Kelly (D)

District 3

Delia Ramirez (D)

District 4

Jesus Garcia (D)

District 5

Mike Quigley (D)

District 6

Sean Casten (D)

District 7

Danny Davis (D)

District 8

Raja Krishnamoorthi (D)

District 9

Jan Schakowsky (D)

District 10

Brad Schneider (D)

District 11

Bill Foster (D)

District 12

Mike Bost (R)

District 13

Nikki Budzinski (D)

District 14

Lauren Underwood (D)

District 15

Mary Miller (R)

District 16

Darin LaHood (R)

District 17

Eric Sorensen (D)

Democratic Party (16)

Republican Party (3)