Brandwave

Amazon Pharmacy vs Costco:Which is more popular?

In September 2026, Costco had more branded searches than Amazon Pharmacy among pharmacies in the United States. Costco had about 823,000 branded searches, while Amazon Pharmacy had 201,000. Costco made up 1.6% of all pharmacy searches we track, and Amazon Pharmacy accounted for 0.4%. When we asked ChatGPT and Google AI Overviews about pharmacies, Costco appeared in all three answers and Amazon Pharmacy in two. Costco was mentioned before Amazon Pharmacy in every answer.

Among pharmacies in the United States in September 2026

Who do people search for more?

Costco, about 4 searches for every 1 for Amazon Pharmacy

Costco 823K searchesAmazon Pharmacy 201K searches

Who does AI mention more?

Costco, mentioned in every answer we collected

Costco in 3 of 3Amazon Pharmacy in 2 of 3

Who does AI recommend more?

Costco, named ahead of Amazon Pharmacy in every answer

Costco first in 3Amazon Pharmacy never first

Follow Amazon Pharmacy vs Costco and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top pharmacies in ChatGPT and Google AI Overviews

In three ChatGPT questions, Costco appeared in all three answers. Amazon Pharmacy was mentioned in two out of three: in two of the three ChatGPT answers. Costco was listed before Amazon Pharmacy in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Costco1st
  2. CVS Pharmacy2nd
  3. Walmart Pharmacy3rd
  4. Walgreens4th
  5. Amazon Pharmacy5th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

See every answer about pharmacies

3 answers

Brands are shown in the order each answer named them. The survey took place in United States on October 22, 2026.

Is Amazon Pharmacy or Costco more popular in search?

This chart shows how often people search Google for Amazon Pharmacy and Costco by name. Each line represents a brand's share of searches for all five pharmacies we track, month by month, from searches in United States.

Amazon Pharmacy and Costco among pharmacies in the United States, by month

Share of searches by month for Costco, Amazon Pharmacy. The figures are in the table below the chart.

View monthly share of searches table
MonthCVS PharmacyWalgreensWalmart PharmacyCostcoAmazon Pharmacy
Oct 202552.4%40.3%5.4%1.6%0.33%
Nov 202547.8%45.1%5%1.8%0.3%
Dec 202548.1%45.2%5%1.5%0.3%
Jan 202647.6%45%4.9%1.8%0.66%
Feb 202652.3%40.2%5.4%1.6%0.49%
Mar 202653%40.8%4.5%1.3%0.4%
Apr 202648.5%43.5%5.8%1.8%0.43%
May 202652.3%40.2%5.4%1.6%0.4%
Jun 202648.5%43.5%5.8%1.8%0.43%
Jul 202648.5%43.5%5.8%1.8%0.43%
Aug 202652.1%40.1%5.4%2%0.4%
Sep 202652.3%40.2%5.4%1.6%0.4%

How has the Amazon Pharmacy and Costco comparison changed over the last 12 months?

3 findings

How did search popularity change for United States pharmacies in September 2026?

1 change

  1. Estimated monthly branded searches for Amazon Pharmacy in the United States rose 21.8% over 12 measured months, from 165K to 201K in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Amazon Pharmacy’s and Costco’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Amazon Pharmacy

1 branded search term

  • amazon pharmacy

Costco

1 branded search term

  • costco pharmacy

How the Brand Demand Index is measured

Other head-to-heads among pharmacies

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.

Start free