Rascasse Audience Intelligence

MLB Fan Demographics in United States

MLB has an estimated audience of 64.3M people in United States.

#1among Baseball in United States#5among events in United States#18in Sports

The average MLB fan in United States is 36.7 years old, more male, and lives primarily in California.

By number of fans, MLB ranks #1 among the 1428 objects in Baseball in United States — 20.5× the group median.

Its fans are 1.8 years younger than the group average of 38.5.

Women make up 40.6% of the fan base, 4.1 percentage points more than the group average.

Compared with the other 1427 objects in Baseball, MLB fans stand out for their interest in MLB.com, Kansas City Chiefs and Cleveland Browns.

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

Most fans live in California, New York, Florida.

Top affinities include MLB.com, New York Yankees, New York Mets, with strongest over-indexing on MLB.com (2.15× the country average).

The typical MLB fan in United States is more male, around 36.7 years old, with a notable affinity for MLB.com.

Category: Sports · Type: Event · Subtype: Baseball

Data status: Q2/2026 · Source & method

Section 01

At a glance

Audience size
64.3M
in United States
Gender
40.6%♀
59.4% male
Age
36.7
average years
Country rank
#236
among all objects in United States
Fig. 01

Search interest · 12-month trend

+25%
vs. last year
JanMarMayJulSepNov
Monthly searches · Source: Rascasse Solution
Section 02

Demographics of MLB fans

40.6% are female, 59.4% are male, average age 36.7.

Fig. 02

Gender split

40.6%
Female
59.4%
Male
Demographic split for MLB audience in United States
MetricValue
Female40.6%
Male59.4%
Average age36.7
Estimated audience size64.3M
Fig. 03

Age distribution

Ø 36.7
average years
Age distribution of the MLB audience in United States
Age bracketShare%
16-2430%
25-3420%
35-4418%
45-5417%
55+16%
Fig. 04

Worldwide distribution

39.1%

of the worldwide MLB audience comes from United States.

Worldwide audience distribution share by country for MLB
CountryShare
United States39.1%
Japan10.8%
Dominican Republic5.1%
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

MLB fans by region: top regions in United States
#RegionReachAffinity×
01California~13M1.66×
02Nevada~1M1.65×
03Arizona~2.5M1.59×
04Wisconsin~1.5M1.55×
05New Jersey~2.5M1.52×
06New York~5.5M1.46×
07Illinois~3.5M1.44×
08Washington~2M1.44×
09Rhode Island~300K1.44×
10Connecticut~1M1.39×
11Pennsylvania~3.5M1.38×
12Massachusetts~2M1.35×
13Delaware~200K1.29×
14Vermont~100K1.21×
15Maine~300K1.19×
16Hawaii~300K1.15×
17New Hampshire~300K1.13×
18Florida~4.5M1.08×
19New Mexico~400K1.08×
20Montana~200K1.03×
21Maryland~1M1.01×
22Oregon~800K1.00×
23Ohio~2M0.98×
24Michigan~2M0.98×
25Missouri~1M0.97×
26Colorado~1M0.95×
27Texas~4M0.91×
28Idaho~300K0.91×
29South Dakota~200K0.90×
30Alaska~100K0.90×
31Indiana~1M0.86×
32Kansas~500K0.85×
33Iowa~500K0.83×
34North Dakota~100K0.81×
35Virginia~1.5M0.78×
36Utah~500K0.76×
37Washington, District of Columbia~100K0.75×
38Minnesota~800K0.74×
39North Carolina~1.5M0.73×
40Georgia~1.5M0.71×
41South Carolina~700K0.68×
42Kentucky~600K0.68×
43Nebraska~200K0.66×
44Tennessee~900K0.62×
45Mississippi~300K0.61×
46Louisiana~500K0.57×
47Arkansas~300K0.57×
48West Virginia~200K0.57×
49Oklahoma~400K0.50×
50Alabama~500K0.47×
Fig. 06

Affinity by region

Affinity by region — MLB, United States
0.47×1.00×1.66×
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 MLB audience vs. the country average
#·InterestCategoryAffinity×
01MLB.comSports2.15×
02New York YankeesSports2.04×
03New York MetsSports1.91×
04Kansas City ChiefsSports1.86×
05Boston Red SoxSports1.85×
06Cleveland BrownsSports1.79×
07Milwaukee BrewersSports1.77×
08New York GiantsSports1.73×
09SoftballSports1.69×
10Las Vegas RaidersSports1.67×
11NBA FinalsSports1.61×
12New York KnicksSports1.59×
13Green Bay PackersSports1.58×
14San Francisco 49ersSports1.58×
15Chicago BullsSports1.56×
16Pittsburgh SteelersSports1.55×
17Seattle MarinersSports1.55×
18NBA playoffsSports1.54×
19Boston CelticsSports1.53×
20Miami DolphinsSports1.51×
Section 05
Strongest and weakest personality traits of this audience (1.0 = country average).

Personality of the MLB audience

Fig. 08

Deviation from the national baseline

↑ What stands out
The strongest tendencies
Personality traits of the MLB audience vs. the country average · What stands out
TraitClusterDeviationScore
Sports ActivityPOWER0.96×
Social Media UsageJOY0.93×
PatriotismCONSERVATISM0.93×
0×1.00× baseline2×
↓ Rather not
The weakest tendencies
Personality traits of the MLB audience vs. the country average · Rather not
TraitClusterDeviationScore
SustainabilityBALANCE0.73×
Design AffinityPREMIUM0.76×
Quality AwarenessPREMIUM0.79×
0×1.00× baseline2×
Appendix

Explore more audiences

More Baseball audiences in United States

Source & method

Source
Rascasse Solution, own modelling
What “fans” means here
Estimated number of people in United States with measurable interest in MLB over the last 12 months. Modelled, not counted; people interested in several events 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/mlb-7903” · Methodology