simple halloween costumes
Skip itHigh returns (7.7%) — this niche doesn't clear our bar today.
Avg price
Great$18.36avg listing price — sweet spot $15–$100
Price range
Good$8.59–$30.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good65%top-5 brand share — brands hold most of the demand
Growth
Good+38.5%90-day search growth — must beat 0% to launch
Review moat
Good1,061.47avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Market size
Bad$74K$74K/yr · 326K searches
Conversion
Bad1.2%search→purchase rate — share of searches ending in a sale
Returns
Bad7.7%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, simple halloween costumes is a $74K/yr Amazon United States market (326K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 43/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
simple halloween costumes market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $28K–$37K
- units × avg price
- Conversion rate
- 1.2%
- Avg BSR
- #1,766
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 9.5%
- Avg brand age
- 39 months
- Avg seller age
- 193 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
29
Top-5 brand share
65%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
27%
- Kyson23%
- inkArts14%
- Ann Arbor T-shirt Co.10%
- YOKVAN9%
- Seasons9%
- CONGRU8%
Demand & seasonality
Weekly Amazon search volume, last 77 weeks — +38.5% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 483.5×
Top simple halloween costumes search terms
- easy costume36K/yr
- simple halloween costumes54K/yr
- easy halloween costume62K/yr
- simple costumes for women42K/yr
- easy halloween costumes65K/yr
- easy adult halloween costumes67K/yr
Top simple halloween costumes products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kyson 80s Painter Costume 10 Pcs Brown Afro Wig Fake Whiskers Aprons Painting Brushes Set for Halloween Couple Cosplay (Set A-4Pcs)
Kyson$24.934.4★142 rev
inkArts Shark Blanket Hoodie - Adult Shark Sleeping Bag & Cozy Flannel Hoodie
inkArts$20.144.2★4,782 rev
Ann Arbor T-shirt Co. Skeleton Rib Cage Jumbo Print Novelty Halloween Costume Unisex T-Shirt - Large - Black
Ann Arbor T-shirt Co.$17.114.6★5,848 rev
Seasons Adult Monarch Butterfly Cape Wings One Size
Seasons$8.594.7★1,568 rev
CONGRU 4 Pcs Halloween Costume Accessories Adults-Yellow Beanie Hat/Goggles/Gloves/Suspenders for Halloween Dress Up
CONGRU$12.904.6★1,049 rev
Newest
by launch date
Cat Wolf Fox Ears and Tail Costume Set with Bell Lace Choker
BIAOKS$14.14146 rev
mifengda Halloween Women Nun Costumes Adult Nun Outfit Black Women Nun Costume Dress with Headpiece for Dress Up Party Cosplay (Large)
mifengda$14.3825 rev
Teenyyou 1 Set Crayon Apron and Funny Gnome Cone Hats for Costume Set for Adults Fancy Dress Outfit Halloween Cosplay Dress up (Pink)
Teenyyou$11.95236 rev
WISHTEN Halloween Costume for Adult Women Goggles/Yellow Beanie/Blue Dress/Suspenders/Gloves Halloween Costume Accessories
WISHTEN$18.57629 rev
Kyson 80s Painter Costume 10 Pcs Brown Afro Wig Fake Whiskers Aprons Painting Brushes Set for Halloween Couple Cosplay (Set A-4Pcs)
Kyson$24.93142 rev
Trending
90-day click momentum
RONGTAI Unisex Adult Costume One Piece Pajamas Overall Halloween Costume Christmas Sleepwear JumpsuitGingerbread ManM
RONGTAI$29.754.5★
mifengda Halloween Women Nun Costumes Adult Nun Outfit Black Women Nun Costume Dress with Headpiece for Dress Up Party Cosplay (Large)
mifengda$14.384.0★
Kyson 80s Painter Costume 10 Pcs Brown Afro Wig Fake Whiskers Aprons Painting Brushes Set for Halloween Couple Cosplay (Set A-4Pcs)
Kyson$24.934.4★
Ann Arbor T-shirt Co. Skeleton Rib Cage Jumbo Print Novelty Halloween Costume Unisex T-Shirt - Large - Black
Ann Arbor T-shirt Co.$17.114.6★
Leg Avenue womens dress Accessories Red One Size US
Leg Avenue$13.194.4★
What buyers say about simple halloween costumes
What buyers praise and complain about, mined from review topics.What buyers love
“Great gift idea”
“Decent quality”
“Fabric is soft”
“It's worth buying”
“Its pretty comfortable”
“Fits just right”
“The material feels nice on the skin, and it is perfect for relaxing, sleeping, or just having fun”
“Easy to use”
“cozy for year round use”
“As described”
What buyers complain about
“Too small”
“literally same day started to fray on some seams”
“not well made”
“Seams are trash”
“The material was very cheap”
“It's a darker maroon than pictured”
“This was nothing like the picture”
“Holes in it”
“The onesie also had strings of thread hanging loose that I had to cut”
“It's very hot”
Top return reasons
Common questions
- Is simple halloween costumes profitable to sell on Amazon United States?
- The niche generates $74K/yr across 15 tracked products. 90-day search growth is +38.5%. Flapen's verdict: Skip it (43/100).
- How competitive is the simple halloween costumes niche?
- 14 brands and 29 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 65% of demand.
- What do buyers complain about in simple halloween costumes?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 7.7% — above our launch gate.
- When does demand for simple halloween costumes peak?
- Demand peaks in Oct–Nov; the busiest month runs 483.5× the quietest.
- What does it cost to enter the simple halloween costumes niche?
- Listings span $8.59–$30.74; the average listing price is $18.36 (sweet spot $15–$100). The average incumbent carries 1,061 reviews — the moat a new listing must climb.