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Illinois · President · poll 1 of 3

Harris vs. Trump · August 29, 2024

Kamala Harris
57.8%
Kamala Harris (D)
Donald Trump
42.2%
Donald Trump (R)
D+15.6%
Published August 29, 2024 · 400 likely voters · MoE ±4.9%
Election result
D+10.9% Kamala Harris won
This poll's error: D+4.7%
What we wrote at the time

Harris Leads by Double Digits in Illinois

August 29, 2024

ActiVote’s Aug 29, 2024 Illinois Presidential poll shows that Vice President Harris leads former President Trump by 15.6%. The poll was among 400 likely voters, has an average expected error of 4.9%, and was in the field between August 6, 2024 and August 29, 2024 with a median field date of August 18.

Harris leads among all categories of voters, except rural voters, those aged 50-64, men and Republicans. Blacks are omitted from the table as our unweighted sample for them was too small, but are part of the overall sample.

Political Spectrum

The crosstabs below show the support for Harris and Trump among left, moderate left, center, moderate right, and right voters. These groups are defined by splitting the national electorate in 5 equal sized groups of 20% each. Please note that in the blue state of Illinois, there are more left-leaning voters than the national average and fewer right-leaning voters.

Harris gets 94% of her core constituents (left and moderate left), while Trump gets 87% his: the right and moderate right. Trump has a lead among the centrists, but not enough to offset the fact that there are far more left-leaning voters in Illinois than right-leaning voters.

Comparisons

In 2020, Biden beat Trump in Illinois by 17.0% while in 2016 Clinton beat Trump by 17.1%. Thus, a Harris lead of 15.6% is slightly worse for the Democratic candidate than those previous elections.

Crosstabs

Weighted results by demographic group · August 29, 2024

Left
95%
Moderate Left
93%
Center
59%
41%
Moderate Right
83%
17%
Right
92%
Donald TrumpKamala Harris

The full crosstab table

ActiVote · Illinois President 2024 · August 29, 2024
ActiVote 400 LV Unweighted Weighted Donald Trump Kamala Harris
National ±4.9% MoE 100% 100% 42.2% 57.8%
Political Spectrum Left 31% 26% 5% 95%
Moderate Left 28% 23% 7% 93%
Center 17% 17% 59% 41%
Moderate Right 10% 15% 83% 17%
Right 12% 18% 92% 8%
Region rural 31% 23% 53% 47%
suburban 31% 29% 34% 66%
urban 38% 48% 43% 57%
Age 18-29 31% 13% 41% 59%
30-49 38% 31% 42% 58%
50-64 23% 26% 54% 46%
65+ 8% 30% 33% 67%
Gender F 34% 54% 32% 68%
M 66% 46% 54% 46%
Party D 54% 44% 19% 81%
R 21% 25% 82% 18%
I 25% 31% 43% 57%
Ethnicity White 77% 69% 46% 54%
Black 6% 12% 42% 58%
Latino 9% 12% 29% 71%
Income Low 18% 19% 31% 69%
Middle 42% 40% 47% 53%
High 40% 41% 43% 57%
Education HS 22% 31% 39% 61%
Some C 15% 22% 38% 62%
BSC+ 63% 48% 46% 54%
All polls in this race: August 29, 2024 · October 6, 2024 · October 29, 2024
Methodology. 400 likely voters in Illinois. Responses weighted by Demographics and Spectrum. Average expected error ±4.9%. See Why trust our polls? for the methodology, disclosures and accuracy record.