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14.09.2025

Explore California’s TikTok Audience: 15.5M Adult Users, Audience Landscape Overview

California’s TikTok Audience Capacity

According to conservative estimates from the TikTok Ads Manager, the adult TikTok audience in California (18+) is 15.50 million users. This equals about 51% of the state’s adult population (30.53 million, Census Bureau estimate).

In terms of TikTok audience size, California is by far the largest in the U.S. Its TikTok audience is comparable only to Texas (13.95M) and Florida (9.45M), making these three states the clear leaders by scale.

California’s TikTok Audience Coverage (Penetration)

With coverage at 51% of the adult population, California is close to the national average (around 52–53%). On this metric, it is comparable to New York (51.2%) and Florida (51.8%).

Age Structure of the TikTok Audience in California

Distribution by age group is as follows:

18–24 years: 2.94M users, or about 19% of the adult TikTok audience in the state.
25–34 years: 4.15M (27%).
35–44 years: 3.30M (21%).
45–54 years: 2.21M (14%).
55+ years: 2.91M (19%).

California — Age/Gender TikTok Audience

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Age Group Population Male (TikTok) Female (TikTok) Total (TikTok) Penetration
18–24 3,558,215 1,271,000 1,664,000 2,935,000
82.49%
25–34 5,670,629 2,204,000 1,941,000 4,145,000
73.10%
35–44 5,460,310 1,798,000 1,504,000 3,302,000
60.47%
45–54 4,846,002 1,149,000 1,059,000 2,208,000
45.56%
55+ 10,992,708 1,714,000 1,198,000 2,912,000
26.49%
Total 18+ 30,527,864 8,136,000 7,366,000 15,502,000
50.78%

These figures show that the 18–24 segment in California (19%) is slightly below the U.S. average (often above 20%). The 55+ group accounts for 19%, which is clearly above the national benchmark (15–16%), highlighting strong adoption among older adults.

California’s TikTok Audience Gender Distribution

The TikTok audience in California is moderately balanced:

Male — 8.14M (52%)
Female — 7.37M (48%)

The male share is slightly higher than the female share, but the gap remains relatively small.