Locations in California

California has 149 mapped locations — 0.38 per 100,000 residents, ranking it #7 of 51 in the US.

national rank (per capita)

149

mapped locations

0.38

per 100k residents

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<iframe src="https://get-instamaps.com/embed/rankings/costco/california" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="California locations map — InstaMaps"></iframe>

Named locations in California include

Costco — Rancho Cucamonga, CA · Costco — La Mesa, CA · Costco — San Diego, CA · Costco — La Quinta, CA · Costco — Hawthorne, CA · Costco — Moreno Valley, CA · Costco — Fairfield, CA · Costco — Lodi, CA · Costco — Mountain View, CA · Costco — Sacramento, CA · Costco — Ontario, CA · Costco — Inglewood, CA

Cite this

"California has 149 mapped locations — #7 in the US per capita (InstaMaps analysis of OpenStreetMap data, 2026)." Free to quote with a link to this page. Data: OpenStreetMap; population: US Census 2024 estimates.