Top eCommerce Platform Stats In California: Usage, Profit & Trends

eCommerce Platform Statistics In California: Key Highlights

• 2.54 million small businesses in California sell online — over half the state’s total.

• Shopify powers 160,000+ stores in California, driving $57.7 billion in yearly sales.

• WooCommerce supports 14,000+ stores, with arts and entertainment as the top category.

California’s eCommerce market is the largest and most competitive in the U.S.

With over $93.3 billion in revenue, success here requires not just the right platform, but the right strategy.

This report on eCommerce platform statistics in California breaks down usage, profit and trends by platform, giving you data-backed insights to scale effectively.

General California eCommerce Statistics

California’s eCommerce market is uniquely active and highly taxed.

From consumer behavior to order volume, the state consistently outpaces national averages. Local shoppers are more likely to buy online frequently and small businesses are embracing digital channels at scale.

The numbers below highlight just how significant California’s role is in shaping national eCommerce trends:

1. 2.54 million small businesses in California now sell online, making up over half of the state’s small business sector.
2. 35% of all eCommerce orders in the U.S. are made from California, Texas, Florida and New York.
3. Californians shop online weekly at a rate that’s 20.1% above the national average.
4. Californians are 29.9% more likely to shop online than to visit physical stores.
5. California outperforms the bottom 24 states combined in both order volume and gross merchandise value (GMV).
6. The tax rate for online sales in California is set at 7.25%.
7. When additional county, district and city taxes are applied, the tax rate for online sales in California can reach as high as 10.75%.
8. California brings in an estimated $6.76 billion in taxes from online retailers every year.
9. Per-capita eCommerce taxes in California stand at $218.01, 23.8% more than the U.S. state average.
   
10. California’s per-capita eCommerce sales total $3,007 for individuals 18 and older.

What These Numbers Mean For You

• California is a high-volume eCommerce market. If you’re launching an eCommerce business, prioritizing this state can drive significant returns.
• Digital-first shopping behavior is now the norm. Local consumers are not just browsing — they’re buying, often and repeatedly.
• Small business adoption is strong. Competing in California means keeping pace with agile, tech-enabled sellers who are already online.

Shopify Stores In California

As more businesses shift to digital, Shopify has become a leading platform for building and growing online stores.

Its user-friendly tools and scalability make it a favorite among entrepreneurs and established brands alike.

From storefront design to marketing integrations, Shopify supports a wide range of business needs.

The following statistics highlight the growing impact of Shopify stores in California:

1. Over 160,000 stores in California use Shopify.
2. California ranks first in the number of Shopify stores in the U.S. It’s followed by Florida at 95,998 and Texas at 83,630.
3. The California city with the highest number of Shopify stores is Los Angeles, at 29,883. It’s followed by San Diego at 7,089 and San Francisco at 5,661.
   
4. 86.7% of Shopify stores in California use a .com domain.
5. 51,398 or 31.6% of all Shopify stores in California sell apparel, making it the most popular product category among Shopify stores in the state.
   
6. Instagram is the top social media platform for Shopify stores in California, used by 51.1% of them, followed by Facebook at 30.5%.
7. The California Shopify store with the highest worldwide store rank is Fashion Nova, which holds the 120th overall position.
8. The top shipping carrier for Shopify stores in California is USPS with 30,759 of them using it.
9. 55% of California Shopify stores have an email listed on their website while 27% provide their phone number.
10. Businesses using Shopify in California generate $57.7 billion in annual economic activity (gross merchandise sales).
11. California is home to 134,000 Shopify employees, making up 29% of the platform’s U.S. workforce.

What These Numbers Mean For You

• Shopify adoption is widespread. With over 160,000 stores, the platform dominates California’s eCommerce scene — competition is fierce, but so is demand.
• Apparel is a proven winner. Over 31% of stores sell clothing, signaling strong customer demand in the fashion category.
• Revenue potential is massive. California’s Shopify stores generate over $57 billion annually, meaning that there’s room to grow if you execute well.

How Digital Silk Builds High-Performing Shopify Stores

While the statistics above highlight Shopify’s dominance in California, success on the platform depends on more than just location — it depends on execution.

At Digital Silk, we’ve helped brands across industries and regions build and optimize Shopify stores that convert.

These results show what’s possible when strategy, UX and technology align, whether you’re based in California or targeting its high-value market.

Here are a few recent examples of our work:

Absolute Dogs

To unlock growth, we migrated Absolute Dogs from WordPress to Shopify, creating a faster, more intuitive online experience. The new site clearly showcased courses and memberships, guiding users through a simplified journey from discovery to checkout.

With optimized funnels and improved navigation, the platform now drives stronger engagement and higher conversion.

The project included:

• A full redesign and WordPress-to-Shopify migration
• Optimized conversion funnels and CTA placement
• SEO-driven content structure tailored to course offerings
• Seamless integration between Shopify and their WordPress learning platform

Results (First month post-launch):

• 77.88% increase in add-to-cart actions
• 35.63% growth in completed purchases
• 32.44% boost in organic search sessions
• 12.63% improvement in overall user engagement

ZipTie

ZipTie, a top U.S. manufacturer and distributor of cable ties and security seals, depended heavily on eCommerce — but their legacy site created friction in product discovery and conversion.

To fix that, we rebuilt the entire experience on Shopify Plus with a performance-first mindset and B2B functionality at the core.

The project included:

• A redesigned homepage, collections, and PDPs with optimized UX and fast-loading navigation
• Mobile-first enhancements supporting a 611% spike in mobile sessions
• Conversion-driven cart flows with quantity selectors, express checkout, and reduced friction
• Smarter content mapping and scalable SEO tied to high-intent categories

Results (First month post-launch):

• 381% increase in total sessions (including a 611% increase in mobile traffic)
• 353% lift in conversion rate (to 3.61%)
• 50% drop in cart abandonment, with 519% more add-to-cart actions
• 572% increase in collection page traffic

WooCommerce Stores In California

WooCommerce is a popular choice for businesses that want full control over their online store setup and functionality.

Built on WordPress, it appeals to sellers who value customization and open-source flexibility. In California, it supports a wide variety of merchants across industries, from small creative shops to larger content-driven brands.

The following WooCommerce stats in California reveal how the platform is being used across the state:

1. There are over 14,000 live WooCommerce stores in California.
2. California ranks first in the number of WooCommerce stores in the U.S. It’s followed by Florida at 8,262 and New York at 6,909.
3. The California city with the highest number of WooCommerce stores is Los Angeles, at 3,147. It’s followed by San Diego at 1,072 and San Francisco at 661.
   
4. 86.6% of WooCommerce stores in California use a .com domain.
5. 1,420 or 10% of WooCommerce stores in California sell arts and entertainment products, making it the most popular product category among WooCommerce stores in the state.
   
6. Facebook is the top social media platform for WooCommerce stores in California, used by 87.2% of them, followed by Instagram at 74.2%.
7. The California WooCommerce store with the highest worldwide store rank is Dogster, which holds the 843rd overall position.
8. The top shipping carrier for WooCommerce stores in California is USPS with 1,104 of them using it.
9. 65% of California WooCommerce stores have an email listed on their website while 57% provide their phone number.

What These Numbers Mean For You

• WooCommerce has a solid presence. With over 14,000 stores live, it stands out as one of the top Shopify alternatives in California, especially among content-driven sellers.
• Arts and entertainment products lead. Creative offerings dominate, making WooCommerce a smart fit for niche and experience-focused brands.
• Flexibility is a core advantage of the platform. WooCommerce users value control as flexible store setups can help stand out.

Squarespace Statistics In California

Known for its sleek design templates and all-in-one functionality, Squarespace is a favorite among creatives, artists and boutique businesses. It’s particularly popular with brands that prioritize aesthetics and ease of use without the need for complex customizations.

In California, it supports thousands of merchants who value streamlined storefronts and strong visual branding.

The following data offers a detailed look at Squarespace statistics in California:

1. Over 4,500 stores in California use Squarespace.
2. California leads the U.S. in the number of Squarespace stores. It’s followed by New York at 2,785 and Texas at 1,846.
3. The California city with the highest number of Squarespace stores is Los Angeles, at 1,641. It’s followed by San Francisco at 418 and San Diego at 313.
   
4. 88% of Squarespace stores in California use a .com domain.
5. 1,188 or 25.1% of Squarespace stores in California sell arts and entertainment products, making it the most popular product category among Squarespace stores in the state.
   
6. Instagram is the top social media platform for Squarespace stores in California, used by 85.5% of them, followed by Facebook at 56.5%.
7. The California Squarespace store with the highest worldwide store rank is Santa Monica Pier, which holds the 5,160th overall position.
8. With 387 stores choosing it, USPS ranks as the leading shipping carrier for Squarespace stores in California.
9. 62% of Squarespace stores in California list an email on their website, while 41% provide a phone number.

What These Numbers Mean For You

• Store count is growing. With over 4,500 stores using it, Squarespace is one of the top eCommerce platforms in California. This shows rising demand for polished, all-in-one setups.
• Creative brands dominate. With 25% selling arts and entertainment, Squarespace is one of the top options for go-to for visual-first, design-led businesses.
• Simplicity sells. Squarespace users rely on minimal setups — if you want to launch quickly, this platform supports speed and ease.

BigCommerce Stores In California

BigCommerce is built for scalability, making it a strong choice for businesses aiming to grow without switching platforms. With powerful built-in features and enterprise-grade tools, it’s a go-to for brands that need more than just a basic storefront.

California’s adoption of BigCommerce reflects its mix of established sellers and growing mid-sized businesses.

The stats below explore current BigCommerce usage and trends in California:

1. Around 1,000 stores in California use BigCommerce.
2. California has the highest number of BigCommerce stores in the U.S., ahead of Texas at 548 and Florida at 443.
3. Los Angeles leads California in the number of BigCommerce stores. It’s followed by San Diego at 58 and San Francisco at 39.
   
4. 94.6% of BigCommerce stores in California use a .com domain.
5. The top product category for BigCommerce stores in California is home and garden with 148 or 15.4% stores selling it.
   
6. Facebook is used by 83.7% of BigCommerce stores in California while Instagram is used by 70.4%.
7. The California BigCommerce store with the highest worldwide store rank is Dunlop, which holds the 3,069th overall position.
8. USPS is the leading shipping carrier among BigCommerce stores in California with 366 relying on it.
9. 81% of BigCommerce stores in California have a phone number listed on their website while 69% provide an email.

What These Numbers Mean For You

• Store volume is smaller, but targeted. With around 1,000 stores, BigCommerce supports more specialized or scaling operations.
• Home and garden products lead. This category makes up over 15% of stores — ideal if you sell lifestyle or decor products.
• It’s built for growth. BigCommerce users in California often choose the platform for its scalability and robust native features.

Choose Digital Silk For Your Next eCommerce Project

These eCommerce platform statistics in California reveal a market that’s both competitive and full of opportunity. Platforms like Shopify and WooCommerce power thousands of businesses across the state, each serving different needs and audiences.

Whether you’re starting fresh or scaling up, success in California’s eCommerce scene requires more than just picking the right platform — it takes strategy, creativity and execution.

At Digital Silk, we offer eCommerce web design and development tailored to your brand, goals, and customers. Our team focuses on clean design and intuitive functionality to keep shoppers engaged and ready to buy.

From concept to launch, we build with performance in mind, delivering measurable results that drive sales and growth.

Other services we offer include:

• Shopify web design and development
• WooCommerce web development
• Magento web design and development
• WordPress web design and development

Contact us online, call us at (800) 206-9413 or fill out the Request a Quote form below to schedule a free consultation and tell us about your eCommerce project’s requirements.

Ljubomir Lukic

Director of ECommerce Development

Ljubomir holds a Master’s Degree in Information Technologies and won the customer excellence award in 2015. He is passionate about utilizing the best eCommerce practices to build custom deliverables. For a decade, he has worked with leading commerce companies, including Diesel, Manfrotto, Vangard, Lowepro & Joby, Puma, Nili Lottan, Onlinestores, POC and others.