Rascasse Audience Intelligence

Immune system Audience in United States

A data profile of the people who buy, follow and care about Immune system in United States — modelled from more than twelve digital signal sources. Immune system has an estimated audience of 22,521,847 people in United States.

#967among Topic in United States#52in Health

The average Immune system fan in United States is 45.6 years old, more female, and lives primarily in Texas.

The audience is concentrated in Texas, California, Florida.

Top brand affinities include Organic food, Health care, Pharmacy, with strongest over-indexing on Organic food (1.92× the country average).

Demographically, the Immune system audience skews more female with an average age of 45.6, and over-indexes on personality traits such as Family Orientation, Indulgence.

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

The typical Immune system fan in United States is more female, around 45.6 years old, with strong Family Orientation tendencies and a notable affinity for Organic food.

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 Immune system profile in United States.

Audience size
22.5M
in United States
Gender
67.7%♀
32.3% male
Age
45.6
average years
Country rank
#1415
Topic in United States
Fig. 01

Search interest · 12-month trend

-10%
vs. last year
JanMarMayJulSepNov
Monthly searches · Source: Rascasse Audience Intelligence
Section 02

Demographics of Immune system fans

67.7% are female, 32.3% are male, average age 45.6.

Fig. 02

Gender split

67.7%
Female
32.3%
Male
Demographic split for Immune system audience in United States
MetricValue
Female67.7%
Male32.3%
Average age45.6
Estimated audience size22,521,847
Fig. 03

Age distribution

Ø 45.6
average years
Age distribution of the Immune system audience in United States
Age bracketShare%
16-198%
20-2913%
30-3918%
40-4926%
50+34%
Fig. 04

Worldwide distribution

30.0%

of the worldwide Immune system audience comes from United States.

Worldwide audience distribution share by country for Immune system
CountryShare
United States30.0%
United Kingdom4.7%
Philippines3.7%
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 Immune system audience in United States is strongest.

Fig. 05

Top regions by affinity

Immune system fans by region: top regions in United States
#RegionReachAffinity×
01Texas~4.5M2.24×
02Georgia~1M1.54×
03Florida~2M1.34×
04California~3M1.29×
05North Carolina~900K1.27×
06Louisiana~400K1.26×
07Hawaii~100K1.24×
08New Mexico~100K1.13×
09Mississippi~200K1.10×
10Alabama~300K1.09×
11Arizona~500K1.08×
12Illinois~800K1.07×
13North Dakota~50K1.07×
14Indiana~400K1.06×
15Maryland~400K1.05×
16Missouri~400K1.05×
17New York~1.5M1.04×
18Nevada~200K1.02×
19Tennessee~500K1.01×
20Kentucky~300K1.01×
21Arkansas~200K1.01×
22Kansas~200K1.00×
23Washington~400K0.99×
24Idaho~100K0.99×
25New Jersey~600K0.98×
26Alaska~50K0.98×
27South Carolina~300K0.97×
28Oregon~300K0.97×
29Connecticut~200K0.95×
30Delaware~60K0.95×
31Virginia~500K0.94×
32Pennsylvania~700K0.93×
33Oklahoma~200K0.93×
34Utah~200K0.92×
35Nebraska~100K0.92×
36South Dakota~50K0.90×
37Michigan~500K0.89×
38Massachusetts~400K0.89×
39Wisconsin~300K0.88×
40West Virginia~90K0.88×
41Iowa~200K0.86×
42Minnesota~300K0.84×
43Rhode Island~60K0.84×
44Montana~50K0.84×
45Ohio~600K0.82×
46Washington, District of Columbia~60K0.82×
47Vermont~30K0.81×
48New Hampshire~70K0.76×
49Maine~60K0.76×
50Colorado~300K0.75×
Fig. 06

Affinity by region

Affinity by region — Immune system, United States
0.75×1.00×2.24×
Section 04
Brands and entities this audience over-indexes on, vs. the country average.

Audience interests & affinities

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

Fig. 07

Top cross-interests, ranked by affinity

Top brand affinities (over-index vs. country average) for Immune system audience
#·InterestCategoryAffinity×
01Gut floraHealth7.31×
02SuperfoodFood & Beverages3.42×
03Sugar substituteFood & Beverages3.03×
04Breast Cancer awarenessHealth2.95×
05Human gastrointestinal tractHealth2.94×
06Microwave ovenHome & Garden2.56×
07Sustainable energyHome & Garden2.53×
08AllergyHealth2.50×
09PharmacyBusiness & Career2.37×
10Health insuranceBusiness & Career2.24×
11Stress (biology)Health2.06×
12Charitable organizationPolitics & Society2.03×
13Organic foodFood & Beverages1.92×
14Cancer awarenessHealth1.90×
15Discount storesShopping1.85×
16GeneticsKids & Family1.80×
17Nonprofit organizationPolitics & Society1.68×
18TraditionPolitics & Society1.68×
19Health careBusiness & Career1.58×
20Home AppliancesHome & Garden1.50×
Section 05
Top six personality traits over-indexed by this audience (1.0 = country average).

Personality of the Immune system 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 Immune system audience · What stands out
TraitClusterDeviationScore
Family OrientationCONSERVATISM1.70×
IndulgenceJOY1.56×
Community OrientationOPEN1.52×
0×1.00× baseline2×
↓ Rather not
The weakest tendencies
Top personality traits over-indexed by Immune system audience · Rather not
TraitClusterDeviationScore
ExtroversionTHRILL0.73×
Luxury OrientationPREMIUM0.76×
Early Adopter MentalityPOWER0.81×
0×1.00× baseline2×
Section 06

Frequently asked questions

01

How many fans does Immune system have in United States?

Immune system has an estimated audience of 22,521,847 people in United States, concentrated in Texas and California.

02

What is the gender split and age of Immune system fans?

67.7% of Immune system fans are female, 32.3% are male, with an average age of 45.6 years.

03

Which brands do Immune system fans like most?

Immune system fans show strongest brand affinity for Organic food (1.92×), Health care (1.58×), and Pharmacy (2.37×) over the country average.

04

Where do Immune system fans live in United States?

Immune system fans in United States are most concentrated in Texas (reach ~4.5M), California (reach ~3M), and Florida (reach ~2M). These three regions account for the largest share of the active audience.

05

What other brands do Immune system fans also like?

Beyond Immune system itself, the audience over-indexes on Health care (1.58×), Pharmacy (2.37×), Nonprofit organization (1.68×), and Microwave oven (2.56×) 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 Immune system audiences in other countries

How to read this data

Audience size is the estimated number of people in United States who actively search for Immune system. 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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