Sourdough Starter Kit Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Sourdough Starter Kit sales on Amazon US totaled 74,800 units in July 2026 (▼ 9.7% vs. the prior month), generating an estimated $1,536,756 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 52.1% of unit volume and 48.3% of revenue, while a typical listing is priced at $23.72. The keyword itself pulled 222,546 Amazon queries over the same period (▲ 29.1% MoM).
Zooming out to the 12-month window ending July 2026, the sourdough starter kit Top 50 moved 1,093,400 units and $24,943,677 in cumulative sales — an average of 91,117 units and $2,078,640 per month. Monthly throughput topped out at 146,500 units in December 2025 and dipped to 48,750 in May 2026, leaving the latest reading 24.3% higher than August 2025.
Sourdough Starter Kit Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
74.8K
▼ 9.7% MoM
Monthly Revenue 2026/07
$1.5M
▼ 13.4% MoM
Top 10 Market Share 2026/07
52.1%
Sourdough Starter Kit Market Share & Sales Concentration on Amazon US — July 2026
The most-sold sourdough starter kit listing on Amazon US in July 2026 is ASIN B0DPJSTLH5 (Brand: EWFEN), which sold 7,000 units at $23.99 apiece — equal to 9.4% of every unit tracked in this report and 40% ahead of the No. 2 listing.
The Top 10 ASINs account for 39,000 units and $741,850 in July 2026 — 52.1% of unit volume and 48.3% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Sourdough Starter Kit' on Amazon
July 2026
Is 52.1% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B0DPJSTLH5
Sourdough Proofing Basket Gift Set, 9" Round and 10" Oval Banneton Bread Baking Supplies, Sourdough Baskets with Bread Lame, Danish Whish, Bowl Scraper, Sourdough Scraper, and Linen Liner
7K
▼ 12.5%vs. prior month
$139.9K
latest month
12-month trend
B08CFWDQX1
Weck Tulip Jars 1 Liter - Large Sour Dough Starter Jars with Wide Mouth - Suitable for Canning and Storage - 2 with Glass Lids
5K
▲ 0.0%vs. prior month
$110.7K
latest month
12-month trend
B0D3922NVQ
Sourdough Starter Jar Kit, 24 oz Wide Mouth Sour Dough Jars Glass | Sourdough Bread Baking Supplies, Sourdough Tools for Beginners and Pro, Dishwasher-Safe, Borosilicate Glass, 1 Pack
5K
▲ 0.0%vs. prior month
$48K
latest month
12-month trend
B0D4VDZ92Q
Complete Sourdough Starter Kit, Sourdough Bread Baking Supplies, Banneton Bread Proofing Basket with Sourdough Starter Jar, 9inch Round Bread Proofing Basket, for Bread Baking
5K
▲ 66.7%vs. prior month
$94.7K
latest month
12-month trend
B0GXBMY62Q
My Rustic Roots San Francisco Sourdough Starter, Beginer Friendly, 12g | Organic, non-GMO flour, freeze-dried; activates fast in 2-4 days with clear instructions; authentic San Francisco tang
3K
▲ 200.0%vs. prior month
$28.5K
latest month
12-month trend
B0CBW9FWYM
San Francisco Sourdough Starter Culture- 100+ Year Old Dehydrated Heirloom Style Sourdough Starter Kit for Sourdough Bread, Pizza, Buns, Pancakes, Muffins | Easy to follow instructions. By Captain Sourpants | Beginner Friendly, Fast reactivation and Expert Support, Make Delicious Homemade Sourdough Bread
3K
▼ 25.0%vs. prior month
$38.1K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Sourdough Starter Kit Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
EWFEN is the best-performing sourdough starter kit brand in July 2026, moving 7,000 units across 1 ASIN for 17.9% of Top 10 volume. WECK follows with 5,000 units (12.8%), ahead of INOBYO on 5,000 units (12.8%).
Volume is spread across 10 brands, with the top three holding 43.6% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $9.99 to $23.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
EWFEN
1 ASIN in Top 10
17.9%
Units
7K
Revenue
$139.9K
Avg. price
$23.99
B0DPJSTLH5
$23.99·★4.6·1.7K revsSourdough Proofing Basket Gift Set, 9" Round and 10" Oval Banneton Bread Baking Supplies, Sourdough Baskets with Bread Lame, Danish Whish, Bowl Scraper, Sourdough Scraper, and Linen Liner
Units sold7K
WECK
1 ASIN in Top 10
12.8%
Units
5K
Revenue
$110.7K
Avg. price
$20.99
B08CFWDQX1
$20.99·★4.8·3.4K revsWeck Tulip Jars 1 Liter - Large Sour Dough Starter Jars with Wide Mouth - Suitable for Canning and Storage - 2 with Glass Lids
Units sold5K
INOBYO
1 ASIN in Top 10
12.8%
Units
5K
Revenue
$48K
Avg. price
$9.99
B0D3922NVQ
$9.99·★4.4·627 revsSourdough Starter Jar Kit, 24 oz Wide Mouth Sour Dough Jars Glass | Sourdough Bread Baking Supplies, Sourdough Tools for Beginners and Pro, Dishwasher-Safe, Borosilicate Glass, 1 Pack
Units sold5K
Trending Sourdough Starter Kit Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 2 ASINs forced its way in: B0GXBMY62Q booked 3K units at $9.49, with ▲ 200.0% MoM change. On the growth side, B0DBYSMFHR leads positive momentum with ▲ 133.3% MoM growth on 700 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0GXBMY62Q
My Rustic Roots San Francisco Sourdough Starter, Beginer Friendly, 12g | Organic, non-GMO flour, freeze-dried; activates fast in 2-4 days with clear instructions; authentic San Francisco tang
Price
$9.49
Rating
4.4
Reviews
189
Latest month sales
B00YVE3076
Cultures for Health San Francisco Sourdough Style Starter Culture | Homemade Artisan Bread | Heirloom, non-GMO | Live Culture Bread Mix | Easy to Follow Recipe
Price
$8.99
Rating
3.8
Reviews
11.2K
Latest month sales
B0DBYSMFHR
Joyyy Sourdough Starter Kit, Banneton Bread Proofing Basket, 8.5Inch Proofing Basket for Baking, Banneton Bread Baking Gift Set, Sourdough Bread Baking Supplies (Black)
Unlock to view ASIN details and product titles
Price
$19.99
Rating
4.7
Reviews
179
Latest month sales
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