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22.09.2025

Discover Illinois TikTok Audience: 5.2M Adult Users, Full Landscape Overview

Capacity of TikTok Audience in Illinois

Conservative estimates from the TikTok Ads Manager suggest that the adult TikTok audience in Illinois (18+) reaches 5.25 million users. This corresponds to about 53% of the state’s adult population (9.85 million, Census Bureau estimate).

By scale, Illinois’s TikTok audience is comparable to states such as Pennsylvania (4.67M), Georgia (5.36M), and North Carolina (4.68M) — all ranking among the larger states with audiences in the 4.5–5.5 million range.

Illinois’s TikTok Audience Coverage (Penetration)

With coverage at 53%, Illinois is right in line with the national average (around 52–53%). In terms of penetration, it matches states like Massachusetts (49.7%) and New Jersey (52.3%), placing Illinois among the states with typical TikTok adoption levels.

Illinois’s TikTok Audience Age Structure

The age breakdown for Illinois is as follows:

18–24 years: 1.01M users, or 19% of the adult TikTok audience.
25–34 years: 1.31M (25%).
35–44 years: 1.20M (23%).
45–54 years: 793K (15%).
55+ years: 939K (18%).

Here, the 18–24 group (19%) is slightly below the U.S. average (typically above 20%), while the 55+ segment (18%) is higher than the national benchmark of 15–16%. This signals relatively strong participation from older adults in Illinois’s TikTok landscape.

Illinois — Age/Gender TikTok Audience

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Age Group Population Male (TikTok) Female (TikTok) Total (TikTok) Penetration
18–24 1,137,066 451,000 554,000 1,005,000
88.39%
25–34 1,682,224 686,000 620,000 1,306,000
77.64%
35–44 1,678,404 626,000 576,000 1,202,000
71.62%
45–54 1,554,808 405,000 388,000 793,000
51.00%
55+ 3,795,560 548,000 391,000 939,000
24.74%
Total 18+ 9,848,062 2,716,000 2,529,000 5,245,000
53.26%

Gender Distribution of TikTok Audience in Illinois

By gender, the audience is distributed as follows:

Male — 2.72M (52%)
Female — 2.53M (48%)

The split skews marginally toward men, but remains close to a balanced picture overall.