Rascasse Audience Intelligence

Boston Celtics Fan Demographics in United States

Boston Celtics has an estimated audience of 22.9M people in United States.

#11among Basketball in United States
#17among teams in United States#94in Sports

The average Boston Celtics fan in United States is 31.3 years old, more male, and lives primarily in Massachusetts.

By number of fans, Boston Celtics ranks #5 among the 30 NBA teams in United States — 1.7× the group median.

Its fans are 0.7 years older than the group average of 30.6.

Women make up 37.9% of the fan base, 3.9 percentage points fewer than the group average.

Compared with the other 29 NBA teams, Boston Celtics fans stand out for their interest in John Ratzenberger, James Harden and Kansas City Chiefs.

In Q2/2026, search interest was −25.7% on the same quarter a year earlier; the median across the group was +0.7%.

Interest is seasonal: April, May and June account for 47% of the year's searches, September is the quietest month.

Most fans live in Massachusetts, Florida, California.

Top affinities include John Ratzenberger, NBA playoffs, James Harden, with strongest over-indexing on John Ratzenberger (12.51× the country average).

Demographically, the Boston Celtics audience skews more male with an average age of 31.3, and over-indexes on personality traits such as Early Adopter Mentality, Risk Appetite.

The typical Boston Celtics fan in United States is more male, around 31.3 years old, with strong Early Adopter Mentality tendencies and a notable affinity for John Ratzenberger.

Category: Sports · Type: Team · Subtype: Basketball

Data status: Q2/2026 · Source & method

Section 01

At a glance

Audience size
22.9M
in United States
Gender
37.9%♀
62.1% male
Age
31.3
average years
Country rank
#1353
among all objects in United States
Fig. 01

Search interest · 12-month trend

-26%
vs. last year
JanMarMayJulSepNov
Monthly searches · Source: Rascasse Solution
Section 02

Demographics of Boston Celtics fans

37.9% are female, 62.1% are male, average age 31.3.

Fig. 02

Gender split

37.9%
Female
62.1%
Male
Demographic split for Boston Celtics audience in United States
MetricValue
Female37.9%
Male62.1%
Average age31.3
Estimated audience size22.9M
Fig. 03

Age distribution

Ø 31.3
average years
Age distribution of the Boston Celtics audience in United States
Age bracketShare%
16-2447%
25-3420%
35-4414%
45-5411%
55+9%
Fig. 04

Worldwide distribution

51.1%

of the worldwide Boston Celtics audience comes from United States.

Worldwide audience distribution share by country for Boston Celtics
CountryShare
United States51.1%
China7.3%
Brazil6.7%
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

Fig. 05

Top regions by affinity

Boston Celtics fans by region: top regions in United States
#RegionReachAffinity×
01Massachusetts~3M5.72×
02New Hampshire~500K5.52×
03Maine~500K5.40×
04Rhode Island~300K4.51×
05Vermont~100K2.87×
06Connecticut~400K1.72×
07Mississippi~200K0.96×
08South Carolina~400K0.95×
09Florida~1M0.80×
10Ohio~600K0.78×
11Alabama~300K0.74×
12New York~1M0.72×
13North Carolina~500K0.72×
14West Virginia~90K0.72×
15Montana~50K0.71×
16Louisiana~200K0.68×
17Georgia~500K0.66×
18Virginia~400K0.65×
19Tennessee~300K0.65×
20New Mexico~90K0.65×
21Hawaii~60K0.64×
22New Jersey~400K0.63×
23Delaware~40K0.62×
24South Dakota~40K0.59×
25Arkansas~100K0.58×
26Kentucky~200K0.57×
27Iowa~100K0.57×
28Nebraska~70K0.56×
29Pennsylvania~500K0.55×
30Maryland~200K0.54×
31North Dakota~30K0.52×
32Michigan~400K0.51×
33Washington, District of Columbia~20K0.51×
34Arizona~300K0.50×
35Nevada~100K0.50×
36Indiana~200K0.49×
37Wisconsin~200K0.48×
38Oklahoma~100K0.47×
39Illinois~400K0.45×
40Missouri~200K0.45×
41Texas~700K0.42×
42Colorado~200K0.42×
43Kansas~80K0.42×
44Idaho~50K0.42×
45Minnesota~200K0.41×
46Oregon~100K0.41×
47Alaska~20K0.41×
48California~1M0.40×
49Utah~70K0.31×
50Washington~100K0.28×
Fig. 06

Affinity by region

Affinity by region — Boston Celtics, United States
0.28×1.00×5.72×
Section 04
Brands and objects ranked by affinity with this audience. Values above 1.0× mean over-representation compared with the country average.

Audience interests & affinities

Fig. 07

Top cross-interests, ranked by affinity

Affinities of the Boston Celtics audience vs. the country average
#·InterestCategoryAffinity×
01John RatzenbergerMovies & TV12.51×
02NBA playoffsSports4.35×
03James HardenSports4.13×
04NBA FinalsSports4.07×
05NBA TVSports3.99×
06Cleveland CavaliersSports3.95×
07WNBASports3.75×
08Michael JordanSports3.70×
09Caitlin ClarkSports3.34×
10Los Angeles LakersSports3.28×
11New York KnicksSports2.76×
12Kansas City ChiefsSports2.51×
13NFL NetworkSports2.50×
14Oklahoma City ThunderSports2.46×
15Hair ExtensionsBeauty & Wellness2.43×
16TwitchGames2.41×
17Underground hip hopMusic & Radio2.41×
18Philadelphia EaglesSports2.33×
19NikeFashion & Accessoires2.02×
20NBASports1.59×
Section 05
Strongest and weakest personality traits of this audience (1.0 = country average).

Personality of the Boston Celtics audience

Fig. 08

Deviation from the national baseline

↑ What stands out
The strongest tendencies
Personality traits of the Boston Celtics audience vs. the country average · What stands out
TraitClusterDeviationScore
Early Adopter MentalityPOWER1.09×
Risk AppetiteTHRILL1.07×
Sports ActivityPOWER1.04×
0×1.00× baseline2×
↓ Rather not
The weakest tendencies
Personality traits of the Boston Celtics audience vs. the country average · Rather not
TraitClusterDeviationScore
TraditionCONSERVATISM0.61×
SpiritualityBALANCE0.64×
Community OrientationOPEN0.65×
0×1.00× baseline2×
Appendix

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Source & method

Source
Rascasse Solution, own modelling
What “fans” means here
Estimated number of people in United States with measurable interest in Boston Celtics over the last 12 months. Modelled, not counted; people interested in several teams count for each of them.
Data basis
Anonymised behavioural signals: search demand, social media signals, sponsorship and event data. Not a survey.
Period
07/2025 – 06/2026 · updated quarterly · data status Q2/2026
Confidence
high gender and age data available and an audience of at least 100,000 people

Cite as: “Rascasse Solution, Q2/2026, rascasse.com/explore/us/boston-celtics-18728” · Methodology