2020 Illinois Democratic presidential primary

2020 Illinois Democratic presidential primary
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182 delegates (155 pledged, 27 unpledged); to the Democratic National Convention ; The number of pledged delegates won is determined by the popular vote
Joe Biden	Bernie Sanders

Last updated October 18, 2023

Pledged national convention delegates
Type	Del.	Type	Del.
CD1	8	CD10	5
CD2	7	CD11	5
CD3	6	CD12	5
CD4	5	CD13	5
CD5	7	CD14	5
CD6	6	CD15	3
CD7	8	CD16	4
CD8	5	CD17	5
CD9	8	CD18	4
PLEO	20	At-large	34
Total pledged delegates			155

The 2020 Illinois Democratic presidential primary took place on March 17, 2020, the third primary Tuesday of the month, as one of three states voting on the same day in the Democratic Party primaries for the 2020 presidential election, while the contest in Ohio had been postponed for roughly a month. The Illinois primary was an open primary, with the state awarding 182 delegates to the 2020 Democratic National Convention, of which 155 were pledged delegates allocated on the basis of the results of the primary.

Immediately after the polls closed at 7:00 pm Central Time, the Associated Press declared former vice president Joe Biden the winner of the Illinois primary. Biden was victorious in all but one county, Champaign County, winning 59% of the vote and 95 delegates, while senator Bernie Sanders received the rest of 36% and 60 delegates. Together with his victories on the same day in Florida and Arizona, Biden greatly expanded the gap in delegates between him and Sanders.^[1] Voter turnout was significantly down from 2016, due to the closure of polling places as a result of the COVID-19 pandemic.^[2]^[3]

Procedure

Illinois was one of three states which held primaries on March 17, 2020, alongside Arizona and Florida,^[4] while only one day before Ohio had been the first state to postpone its primary due to the COVID-19 pandemic and cancel in-person voting, accepting ballots until April 28 instead.

Voting took place throughout the state from 6:00 a.m. until 7:00 p.m. In the open primary, candidates had to meet a threshold of 15 percent at the congressional district or statewide level in order to be considered viable. The 155 pledged delegates to the 2020 Democratic National Convention were allocated proportionally on the basis of the results of the primary. Of these, between three and eight were allocated to each of the state's 18 congressional districts and another 20 were allocated to party leaders and elected officials (PLEO delegates), in addition to 34 at-large delegates.^[5] As a March primary on Stage I of the primary timetable Illinois received no bonus delegates, in order to disperse the primaries between more different date clusters and keep too many states from hoarding on a March date.^[6]

National convention district level delegates were listed on the ballot and chosen during the primary. The national convention delegation meeting was subsequently held on April 27, 2020 to vote on the 34 at-large and 20 pledged PLEO delegates for the Democratic National Convention through a quorum of district delegates. The delegation also included 27 unpledged PLEO delegates: 10 members of the Democratic National Committee, 15 members of Congress (both senators and 13 representatives), the governor J. B. Pritzker, and former president Barack Obama.^[5]

Candidates

The following candidates qualified for the ballot in Illinois:^[7]

Running

Withdrawn

Polling

Polling aggregation
Source of poll aggregation	Date updated	Dates polled	Joe Biden	Bernie Sanders	Tulsi Gabbard	Un- decided^{[lower-alpha 4]}
270toWin	Mar 17, 2020	Mar 7–16, 2020	58.6%	30.2%	2.0%	9.2%
RealClear Politics	Mar 17, 2020	Mar 10–12, 2020	60.0%	30.5%	–^{[lower-alpha 5]}	9.5%
FiveThirtyEight	Mar 17, 2020	until Mar 16, 2020^{[lower-alpha 6]}	61.5%	26.6%	1.5%	10.4%
Average			60.0%	29.1%	1.8%	9.1%

Tabulation of individual polls of the 2020 Illinois Democratic primary
Poll source	Date(s) administered	Sample size^{[lower-alpha 7]}	Margin of error	Joe Biden	Michael Bloomberg	Pete Buttigieg	Kamala Harris	Amy Klobuchar	Bernie Sanders	Elizabeth Warren	Other	Undecided
Swayable Archived 2020-03-17 at the Wayback Machine	Mar 16, 2020	1,861 (LV)	± 3.0%	63%	–	–	–	–	28%	–	10%^{[lower-alpha 8]}	–
Emerson College/Nexstar	Mar 11–12, 2020	567 (LV)	± 4.1%	57%	–	–	–	–	36%	–	2%^{[lower-alpha 9]}	6%
Gravis Marketing	Mar 10–12, 2020	549 (LV)	± 4.2%	63%	–	–	–	–	25%	–	–	12%
ROI Rocket	Mar 6–12, 2020	960 (LV)	± 3.1%	57%	–	–	–	–	34%	–	–^{[lower-alpha 10]}	–^{[lower-alpha 10]}
Victory Research	Mar 7–9, 2020	1,200 (LV)	± 2.83%	55%	–	–	–	–	36%	–	1%^{[lower-alpha 11]}	8%
Ogden & Fry/Northwest Side GOP Club	Mar 8, 2020	457(LV)	± 4.58%	64%	–	–	–	–	32%	–	4%^{[lower-alpha 12]}	–^{[lower-alpha 13]}
Ogden & Fry/Northwest Side GOP Club	Mar 8, 2020	457(LV)	± 4.58%	55%	–	–	–	–	26%	–	2%^{[lower-alpha 14]}	16%
	Mar 1–5, 2020	Buttigieg, Klobuchar, Bloomberg, and Warren withdraw from the race
Victory Research	Feb 17–19, 2020	1,200(LV)	± 2.83%	20.3%	14.5%	11.4%	–	6.3%	25.6%	6.6%	4.4%^{[lower-alpha 15]}	10.9%
Southern Illinois University	Feb 10–17, 2020	475 (LV)	± 4.5%	14%	17%	13%	–	8%	22%	6%	2%^{[lower-alpha 16]}	17%
	Dec 3, 2019	Harris withdraws from the race
Victory Research	Nov 27 – Dec 1, 2019	1,500 (RV)	±2.83%	23.2%	3.6%	15.9%	3.2%	2.6%	15.0%	17.4%	12.3%^{[lower-alpha 17]}	6.9%
Victory Research	Jul 26–29, 2019	1,200	± 2.83%	36.1%	–	9.3%	8.6%	1.7%	15.2%	12.8%	9.2%^{[lower-alpha 18]}	7.3%

Results

2020 Illinois Democratic presidential primary^[8]
Candidate	Votes	%	Delegates^[9]
Joe Biden	986,661	58.94	95
Bernie Sanders	605,701	36.18	60
Michael Bloomberg (withdrawn)^{[lower-alpha 2]}	25,500	1.52
Elizabeth Warren (withdrawn)^{[lower-alpha 2]}	24,413	1.46
Pete Buttigieg (withdrawn)^{[lower-alpha 3]}	9,729	0.58
Tulsi Gabbard	9,642	0.58
Andrew Yang (withdrawn)^{[lower-alpha 1]}	4,021	0.24
Cory Booker (withdrawn)	2,684	0.16
Tom Steyer (withdrawn)^{[lower-alpha 3]}	1,684	0.10
Deval Patrick (withdrawn)^{[lower-alpha 1]}	1,567	0.09
Michael Bennet (withdrawn)^{[lower-alpha 1]}	1,346	0.08
John Delaney (withdrawn)	1,185	0.07
Total	1,674,133	100%	155

Notes

1 2 3 4 5 6 Candidate withdrew after the New Hampshire primary when early voting had already begun.
1 2 3 4 Candidate withdrew after Super Tuesday during early voting.
1 2 3 4 Candidate withdrew shortly before Super Tuesday during early voting.
↑ Calculated by taking the difference of 100% and all other candidates combined
↑ Gabbard not averaged
↑ FiveThirtyEight aggregates polls with a trendline regression of polls rather than a strict average of recent polls.
↑ Key:
A – all adults
RV – registered voters
LV – likely voters
V – unclear
↑ Gabbard with 3%; "Other" with 7%
↑ Gabbard with 2%
1 2 Not yet released
↑ Gabbard with 1%
↑ Gabbard with 4%
↑ Result after "Undecided" is ruled out as an option.
↑ Gabbard with 2%
↑ Steyer with 3.4%; Gabbard with 1.0%
↑ Steyer and Yang with 1%; someone else with 1%
↑ Patrick with 2.4%; Booker with 2.3%; Steyer with 1.8%; Castro with 1.6%; Yang with 1.0%; Gabbard with 0.9%; Williamson with 0.8%; Bennet with 0.6%; Bullock with 0.5%; Sestak with 0.3%; Delaney with 0.1%
↑ O'Rourke with 2.1%; Booker with 1.4%; Gillibrand with 1.0%; Steyer with 0.8%; Inslee with 0.7%; Castro with 0.6%; de Blasio with 0.4%; Bullock, Gabbard, Hickenlooper, Ryan, Williamson and Yang with 0.3%; Gravel with 0.2%; Moulton and Sestak with 0.1%; Delaney and Messam with 0.0%

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References

↑ "Illinois Election Results: Live Presidential Primary 2020". New York Times. March 17, 2020. Retrieved March 17, 2020.
↑ "The Coronavirus Outbreak Has Made Voting In Illinois Today A Full Mess". BuzzFeed News. March 17, 2020. Retrieved April 8, 2020.
↑ Levine, Sam (March 18, 2020). "Closures and confusion as US voters go to the polls amid coronavirus concerns". The Guardian. ISSN 0261-3077 . Retrieved April 8, 2020.
↑ Putnam, Josh. "The 2020 Presidential Primary Calendar". Frontloading HQ. Retrieved June 23, 2019.
1 2 "Illinois Democratic Delegation 2020". The Green Papers. May 20, 2019. Retrieved June 23, 2019.
↑ "Democratic Timing Penalties and Bonuses". The Green Papers. November 24, 2021. Retrieved March 19, 2022.
↑ "Election Results – 2020 General Primary". Illinois State Board of Elections . Archived from the original on February 22, 2020. Retrieved April 3, 2022.
↑ "Election Results – 2020 General Primary". Illinois State Board of Elections . Archived from the original on February 22, 2020. Retrieved April 3, 2022.
↑ "2020 Presidential Primaries, Caucuses, and Conventions: Illinois Democrat". The Green Papers. Retrieved July 2, 2020.

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[WithdrewBeforeST-il1-8] 1 2 3 4 5 6 Candidate withdrew after the New Hampshire primary when early voting had already begun.

[WithdrewAfterST-il-9] 1 2 3 4 Candidate withdrew after Super Tuesday during early voting.

[WithdrewBeforeST-il2-10] 1 2 3 4 Candidate withdrew shortly before Super Tuesday during early voting.

[undecided-11] Calculated by taking the difference of 100% and all other candidates combined

[12] Gabbard not averaged

[trendline-13] FiveThirtyEight aggregates polls with a trendline regression of polls rather than a strict average of recent polls.

[key-14] Key:
A – all adults
RV – registered voters
LV – likely voters
V – unclear

[15] Gabbard with 3%; "Other" with 7%

[16] Gabbard with 2%

[released-17] 1 2 Not yet released

[18] Gabbard with 1%

[19] Gabbard with 4%

[20] Result after "Undecided" is ruled out as an option.

[21] Gabbard with 2%

[22] Steyer with 3.4%; Gabbard with 1.0%

[23] Steyer and Yang with 1%; someone else with 1%

[24] Patrick with 2.4%; Booker with 2.3%; Steyer with 1.8%; Castro with 1.6%; Yang with 1.0%; Gabbard with 0.9%; Williamson with 0.8%; Bennet with 0.6%; Bullock with 0.5%; Sestak with 0.3%; Delaney with 0.1%

[25] O'Rourke with 2.1%; Booker with 1.4%; Gillibrand with 1.0%; Steyer with 0.8%; Inslee with 0.7%; Castro with 0.6%; de Blasio with 0.4%; Bullock, Gabbard, Hickenlooper, Ryan, Williamson and Yang with 0.3%; Gravel with 0.2%; Moulton and Sestak with 0.1%; Delaney and Messam with 0.0%

[1] "Illinois Election Results: Live Presidential Primary 2020". New York Times. March 17, 2020. Retrieved March 17, 2020.

[2] "The Coronavirus Outbreak Has Made Voting In Illinois Today A Full Mess". BuzzFeed News. March 17, 2020. Retrieved April 8, 2020.

[3] Levine, Sam (March 18, 2020). "Closures and confusion as US voters go to the polls amid coronavirus concerns". The Guardian. ISSN 0261-3077 . Retrieved April 8, 2020.

[FHQ-primarydates-4] Putnam, Josh. "The 2020 Presidential Primary Calendar". Frontloading HQ. Retrieved June 23, 2019.

[GP-5] 1 2 "Illinois Democratic Delegation 2020". The Green Papers. May 20, 2019. Retrieved June 23, 2019.

[6] "Democratic Timing Penalties and Bonuses". The Green Papers. November 24, 2021. Retrieved March 19, 2022.

[7] "Election Results – 2020 General Primary". Illinois State Board of Elections . Archived from the original on February 22, 2020. Retrieved April 3, 2022.

[26] "Election Results – 2020 General Primary". Illinois State Board of Elections . Archived from the original on February 22, 2020. Retrieved April 3, 2022.

[27] "2020 Presidential Primaries, Caucuses, and Conventions: Illinois Democrat". The Green Papers. Retrieved July 2, 2020.

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