Rascasse Audience Intelligence

Costco Target Market in United Kingdom

Costco has an estimated audience of 10.8M people in United Kingdom.

#8among Supermarket in United Kingdom
#58among brands in United Kingdom
#31in Shopping

The average Costco fan in United Kingdom is 41.0 years old, more female, and lives primarily in North West.

By number of fans, Costco ranks #8 among the 199 objects in Supermarket in United Kingdom — 133.1× the group median.

Women make up 71.9% of the fan base, 8.7 percentage points more than the group average.

Compared with the other 198 objects in Supermarket, Costco fans stand out for their interest in Indian fast food, Home Delivery and Coffee production.

Most fans live in North West, South East, Scotland.

Top affinities include Indian fast food, Home Delivery, Coffee production, with strongest over-indexing on Indian fast food (9.5× the country average).

Demographically, the Costco audience skews more female with an average age of 41.0, and over-indexes on personality traits such as Convenience Orientation, Individualism.

The typical Costco fan in United Kingdom is more female, around 41.0 years old, with strong Convenience Orientation tendencies and a notable affinity for Indian fast food.

Category: Shopping · Type: Brand · Subtype: Supermarket

Data status: Q2/2026 · Source & method

Section 01

At a glance

Audience size
10.8M
in United Kingdom
Gender
71.9%♀
28.1% male
Age
41.0
average years
Country rank
#441
among all objects in United Kingdom
Fig. 01

Search interest · 12-month trend

-13%
vs. last year
JanMarMayJulSepNov
Monthly searches · Source: Rascasse Solution
Section 02

Customer demographics of Costco

71.9% are female, 28.1% are male, average age 41.0.

Fig. 02

Gender split

71.9%
Female
28.1%
Male
Demographic split for Costco audience in United Kingdom
MetricValue
Female71.9%
Male28.1%
Average age41.0
Estimated audience size10.8M
Fig. 03

Age distribution

Ø 41.0
average years
Age distribution of the Costco audience in United Kingdom
Age bracketShare%
16-2416%
25-3420%
35-4421%
45-5421%
55+22%
Fig. 04

Worldwide distribution

8.0%

of the worldwide Costco audience comes from United Kingdom.

Worldwide audience distribution share by country for Costco
CountryShare
United States53.1%
United Kingdom8.0%
Canada5.8%
Section 03
Affinity (×) = how much more likely a member of this audience is to live in a region than the United Kingdom average. Example: 2.0× means twice as concentrated as the national baseline.

Geography

Fig. 05

Top regions by affinity

Costco customers by region in United Kingdom
#RegionReachAffinity×
01Scotland~1.5M1.61×
02North West~2M1.59×
03Wales~600K1.22×
04East Midlands~1M1.21×
05East of England~1M1.19×
06South East~1.5M1.10×
07Greater London~1.5M0.96×
08North East~400K0.90×
09West Midlands~700K0.75×
10Yorkshire and the Humber~600K0.70×
11South West~500K0.59×
12Northern Ireland~50K0.18×
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 Costco audience vs. the country average
#·InterestCategoryAffinity×
01Indian fast foodFood & Beverages9.50×
02Home DeliveryFood & Beverages6.77×
03Coffee productionFood & Beverages6.54×
04Majestic WineFood & Beverages6.49×
05White wineFood & Beverages5.60×
06CleanlinessHome & Garden5.38×
07Dining OutFood & Beverages5.34×
08Red wineFood & Beverages5.04×
09Purchase discountShopping3.31×
10Kitchen utensilHome & Garden3.11×
11Coffee beanFood & Beverages2.95×
12Home BargainsShopping2.34×
13DunelmHome & Garden2.27×
14Expensive TasteBusiness & Career2.26×
15Travel AdventuresTravel & Leisure2.04×
16ToolstationHome & Garden1.71×
17MemeInternet & Social Media1.71×
18MorrisonsFood & Beverages1.68×
19MatalanShopping1.64×
20Dog walkingPets & Animals1.62×
Section 05
Strongest and weakest personality traits of this audience (1.0 = country average).

Personality of the Costco audience

Fig. 08

Deviation from the national baseline

↑ What stands out
The strongest tendencies
Personality traits of the Costco audience vs. the country average · What stands out
TraitClusterDeviationScore
Convenience OrientationPREMIUM2.03×
IndividualismJOY1.72×
IndulgenceJOY1.54×
0×1.00× baseline2×
↓ Rather not
The weakest tendencies
Personality traits of the Costco audience vs. the country average · Rather not
TraitClusterDeviationScore
Early Adopter MentalityPOWER0.85×
Social Media UsageJOY0.88×
Risk AppetiteTHRILL0.89×
0×1.00× baseline2×
Appendix

Explore more audiences

More Supermarket audiences in United Kingdom

See Costco audiences in other countries

Source & method

Source
Rascasse Solution, own modelling
What “fans” means here
Estimated number of people in United Kingdom with measurable interest in Costco over the last 12 months. Modelled, not counted; people interested in several brands 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/gb/costco-13503” · Methodology