Sour Dough Starter Kits Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Sour Dough Starter Kits sales on Amazon US totaled 71,300 units in July 2026 (▼ 11.4% vs. the prior month), generating an estimated $1,397,600 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 50.5% of unit volume and 47.0% of revenue, while a typical listing is priced at $21.36. The keyword itself pulled 29,012 Amazon queries over the same period (▲ 11.8% MoM).
Zooming out to the 12-month window ending July 2026, the sour dough starter kits Top 50 moved 1,057,550 units and $22,837,974 in cumulative sales — an average of 88,129 units and $1,903,165 per month. Monthly throughput topped out at 143,700 units in December 2025 and dipped to 49,000 in May 2026, leaving the latest reading 32.3% higher than August 2025.
Sour Dough Starter Kits 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
71.3K
▼ 11.4% MoM
Monthly Revenue 2026/07
$1.4M
▼ 13.6% MoM
Top 10 Market Share 2026/07
50.5%
Sour Dough Starter Kits Market Share & Sales Concentration on Amazon US — July 2026
The most-sold sour dough starter kits listing on Amazon US in July 2026 is ASIN B0DPJSTLH5 (Brand: EWFEN), which sold 7,000 units at $20.49 apiece — equal to 9.8% of every unit tracked in this report and 40% ahead of the No. 2 listing.
The Top 10 ASINs account for 36,000 units and $656,550 in July 2026 — 50.5% of unit volume and 47.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Sour Dough Starter Kits' on Amazon
July 2026
Is 50.5% Top 10 share highly concentrated?
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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
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
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
3K
▼ 25.0%vs. prior month
$38.1K
latest month
12-month trend
B0CXSGQKF6
Dimpola Banneton Bread Proofing Basket - 9 inch Banneton Basket Set of 2 Sourdough Proofing Basket Round Proofing Bowls Handmade Rattan Baskets and Liners
3K
▼ 25.0%vs. prior month
$64.2K
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
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Sour Dough Starter Kits Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
EWFEN is the best-performing sour dough starter kits brand in July 2026, moving 7,000 units across 1 ASIN for 19.4% of Top 10 volume. INOBYO follows with 5,000 units (13.9%), ahead of BANTBSKT on 5,000 units (13.9%).
Volume is spread across 9 brands, with the top three holding 47.2% 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 $8.99 to $29.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
EWFEN
1 ASIN in Top 10
19.4%
Units
7K
Revenue
$139.9K
Avg. price
$20.49
B0DPJSTLH5
$20.49·★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
INOBYO
1 ASIN in Top 10
13.9%
Units
5K
Revenue
$48K
Avg. price
$8.99
B0D3922NVQ
$8.99·★4.4·648 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
BANTBSKT
1 ASIN in Top 10
13.9%
Units
5K
Revenue
$94.7K
Avg. price
$29.99
B0D4VDZ92Q
$29.99·★4.6·1.9K revsComplete Sourdough Starter Kit, Sourdough Bread Baking Supplies, Banneton Bread Proofing Basket with Sourdough Starter Jar, 9inch Round Bread Proofing Basket, for Bread Baking
Units sold5K
Trending Sour Dough Starter Kits 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
4.3
Reviews
203
Latest month sales
B0DW1F21WK
Mature Sourdough Starter Culture – Dehydrated 100+ Year Old Starter Kit | All-Natural Culture, Fast Reactivation with Expert Support; Active, beginner friendly for Delicious Sourdough Bread & more
Price
$12.99
Rating
4.4
Reviews
1.4K
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
$21.99
Rating
4.7
Reviews
180
Latest month sales
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