Rascasse Audience Intelligence

Brain Audience in United States

A data profile of the people who buy, follow and care about Brain in United States — modelled from more than twelve digital signal sources. Brain has an estimated audience of 43,524,542 people in United States.

#367among Topic in United States#16in Health

The average Brain fan in United States is 41.9 years old, more female, and lives primarily in California.

The audience is concentrated in California, Texas, Florida.

Top brand affinities include Chuck Norris, Genetics, Reddit, with strongest over-indexing on Chuck Norris (3.12× the country average).

Demographically, the Brain audience skews more female with an average age of 41.9, and over-indexes on personality traits such as Individualism, Patriotism.

Compared to the country baseline, this audience shows distinctive patterns across 20 brand affinities and 50 regions tracked by Rascasse.

The typical Brain fan in United States is more female, around 41.9 years old, with strong Individualism tendencies and a notable affinity for Chuck Norris.

Category: Health · Type: Topic

The data on this page comes from the Rascasse audience panel and is refreshed monthly from search, social and browsing signals. As of 2026-08-10.

Section 01

At a glance

The key figures that characterise the Brain profile in United States.

Audience size
43.5M
in United States
Gender
60.3%♀
39.7% male
Age
41.9
average years
Country rank
#507
Topic in United States
Fig. 01

Search interest · 12-month trend

-2%
vs. last year
JanMarMayJulSepNov
Monthly searches · Source: Rascasse Audience Intelligence
Section 02

Demographics of Brain fans

60.3% are female, 39.7% are male, average age 41.9.

Fig. 02

Gender split

60.3%
Female
39.7%
Male
Demographic split for Brain audience in United States
MetricValue
Female60.3%
Male39.7%
Average age41.9
Estimated audience size43,524,542
Fig. 03

Age distribution

Ø 41.9
average years
Age distribution of the Brain audience in United States
Age bracketShare%
16-1916%
20-2916%
30-3919%
40-4923%
50+27%
Fig. 04

Worldwide distribution

27.8%

of the worldwide Brain audience comes from United States.

Worldwide audience distribution share by country for Brain
CountryShare
United States27.8%
United Kingdom5.2%
Italy3.9%
Section 03
Affinity (×) = how much more likely a member of this audience is to live in a region than the United States average. Example: 2.0× means twice as concentrated as the national baseline.

Geography

Where the Brain audience in United States is strongest.

Fig. 05

Top regions by affinity

Brain fans by region: top regions in United States
#RegionReachAffinity×
01Utah~500K1.24×
02Michigan~1.5M1.17×
03North Dakota~100K1.16×
04Texas~4.5M1.15×
05Arizona~1M1.13×
06California~5.5M1.11×
07Idaho~200K1.10×
08Washington~1M1.09×
09Oregon~500K1.08×
10Georgia~1.5M1.07×
11North Carolina~1.5M1.07×
12Indiana~900K1.07×
13Missouri~800K1.07×
14Kentucky~600K1.06×
15Maryland~800K1.05×
16Nebraska~200K1.05×
17Pennsylvania~1.5M1.04×
18Kansas~400K1.04×
19Alaska~100K1.04×
20Virginia~1M1.02×
21Massachusetts~900K1.02×
22Hawaii~200K1.02×
23Florida~3M1.01×
24Wisconsin~700K1.01×
25West Virginia~200K1.01×
26Illinois~1.5M1.00×
27Alabama~600K1.00×
28Oklahoma~500K1.00×
29New Mexico~200K1.00×
30South Dakota~100K1.00×
31New Jersey~1M0.98×
32Iowa~400K0.98×
33Tennessee~800K0.96×
34Colorado~700K0.96×
35Minnesota~600K0.96×
36Ohio~1.5M0.95×
37South Carolina~600K0.95×
38Connecticut~400K0.95×
39New Hampshire~200K0.95×
40Montana~100K0.95×
41Louisiana~500K0.94×
42Arkansas~300K0.94×
43Nevada~400K0.92×
44Vermont~70K0.92×
45Mississippi~300K0.89×
46Maine~100K0.89×
47Delaware~100K0.89×
48New York~2M0.88×
49Rhode Island~100K0.87×
50Washington, District of Columbia~100K0.81×
Fig. 06

Affinity by region

Affinity by region — Brain, United States
0.81×1.00×1.24×
Section 04
Brands and entities this audience over-indexes on, vs. the country average.

Audience interests & affinities

The strongest cross-interests of the Brain audience — brands, topics and people combined.

Fig. 07

Top cross-interests, ranked by affinity

Top brand affinities (over-index vs. country average) for Brain audience
#·InterestCategoryAffinity×
01Chuck NorrisMovies & TV3.12×
02WWE Hall of FameSports2.28×
03HormoneHealth2.20×
04Political scienceBusiness & Career2.06×
05Denver NuggetsSports2.04×
06GeneticsKids & Family2.02×
07Real propertyHome & Garden1.95×
08Robert RedfordMovies & TV1.95×
09Made in USABusiness & Career1.82×
10Diane KeatonMovies & TV1.81×
11PBSMovies & TV1.76×
12Talk radioMusic & Radio1.73×
13DemocracyPolitics & Society1.73×
14Public transportCars & Mobility1.72×
15NostalgiaHome & Garden1.63×
16DentistryBusiness & Career1.62×
17Britney SpearsMusic & Radio1.61×
18TicketmasterTravel & Leisure1.58×
19Stress (biology)Health1.57×
20RedditInternet & Social Media1.54×
Section 05
Top six personality traits over-indexed by this audience (1.0 = country average).

Personality of the Brain audience

Values above 1.00× are above the country average, values below 1.00× below it.

Fig. 08

Deviation from the national baseline

↑ What stands out
The strongest tendencies
Top personality traits over-indexed by Brain audience · What stands out
TraitClusterDeviationScore
IndividualismJOY1.27×
PatriotismCONSERVATISM1.24×
SpiritualityBALANCE1.23×
0×1.00× baseline2×
↓ Rather not
The weakest tendencies
Top personality traits over-indexed by Brain audience · Rather not
TraitClusterDeviationScore
Luxury OrientationPREMIUM0.70×
Pet OwnershipJOY0.82×
Design AffinityPREMIUM0.83×
0×1.00× baseline2×
Section 06

Frequently asked questions

01

How many fans does Brain have in United States?

Brain has an estimated audience of 43,524,542 people in United States, concentrated in California and Texas.

02

What is the gender split and age of Brain fans?

60.3% of Brain fans are female, 39.7% are male, with an average age of 41.9 years.

03

Which brands do Brain fans like most?

Brain fans show strongest brand affinity for Chuck Norris (3.12×), Genetics (2.02×), and Reddit (1.54×) over the country average.

04

Where do Brain fans live in United States?

Brain fans in United States are most concentrated in California (reach ~5.5M), Texas (reach ~4.5M), and Florida (reach ~3M). These three regions account for the largest share of the active audience.

05

What other brands do Brain fans also like?

Beyond Brain itself, the audience over-indexes on Genetics (2.02×), Reddit (1.54×), Real property (1.95×), and Nostalgia (1.63×) compared to the United States average.

Appendix

Explore more audiences

Related profiles, rankings and the same audience in other markets.

More Health audiences in United States

See Brain audiences in other countries

How to read this data

Audience size is the estimated number of people in United States who actively search for Brain. Affinity is an over-index ratio: 2.0× means the audience is twice as likely to engage with that brand or trait as the country average. Reach is the estimated number of audience members in a region. Regional and brand-affinity tables are sorted from strongest signal to weakest.

About this audience profile

This audience profile is generated by Rascasse from anonymized search-behavior signals across United States. For methodology see methodology. Affinity values are over-index ratios vs. the country average (1.0 = baseline). Audience sizes are estimated, not measured.

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