Brandwave

How popular isCostco in search?

In September 2026, there were an estimated 30.4M branded searches for Costco worldwide which is down 18.3% over the last 12 months. Costco holds 99.6% estimated Share of Search among wholesale and cash and carry stores worldwide and is ranked 1st of 3 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, September 2026
  1. Costco99.6%
  2. Trents0.36%
  3. Toops0.09%
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Which wholesale and cash and carry stores compete with Costco?

Costco against wholesale and cash and carry stores worldwide, by month

Share of Search by month for Costco. The figures are in the table below the chart.

View monthly share of search table
MonthCostcoTrentsToops
Oct 202599.5%0.44%0.06%
Nov 202599.5%0.44%0.05%
Dec 202599.6%0.36%0.06%
Jan 202699.4%0.54%0.06%
Feb 202699.4%0.54%0.07%
Mar 202699.4%0.54%0.07%
Apr 202699.5%0.44%0.07%
May 202699.4%0.54%0.07%
Jun 202699.5%0.44%0.07%
Jul 202699.5%0.44%0.09%
Aug 202699.5%0.44%0.09%
Sep 202699.6%0.36%0.09%

  1. 1.Costco

    99.6%

    Held 1st. 30.4M estimated branded searches, 0% vs prior month. Share +0.1 points.

  2. 2.Trents

    0.36%

    Held 2nd. 110K estimated branded searches, -18.5% vs prior month. Share -0.1 points.

  3. 3.Toops

    0.09%

    Held 3rd. 27.1K estimated branded searches, 0% vs prior month. Share 0 points.

Compare search popularity between Costco and its closest rivals

Every comparison with Costco

How has branded search demand for Costco changed worldwide over the last 12 months?

  • Across the 12 months ending September 2026, estimated monthly branded searches for Costco worldwide fell from 37.2M to 30.4M.
  • Across the 12 months ending September 2026, Costco’s estimated Share of Search among wholesale and cash and carry stores worldwide held steady, from 99.5% to 99.6%.

How did search popularity change for wholesale and cash and carry stores worldwide in September 2026?

  1. Estimated monthly branded searches for Toops worldwide rose 22.1% over 12 measured months, from 22.2K to 27.1K in September 2026.

  2. Estimated monthly branded searches for Trents worldwide fell 33.3% over 12 measured months, from 165K to 110K in September 2026.

  3. Estimated monthly branded searches for Costco worldwide fell 18.3% over 12 measured months, from 37.2M to 30.4M in September 2026.

How is Costco measured?

Brandwave collects information about searches that people make online using Costco’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

1 branded search term

  • costco

Do you work for Costco? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

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