---
title: "Scary Halloween Costumes for Girls — $0/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/scary-halloween-costumes-for-girls"
last_updated: "2026-08-10T14:37:29.693Z"
locale: en
meta:
description: "Niche score 41/100 · $0/yr market · 810K searches/yr · $29.43 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $0/yr market · 810K searches/yr · $29.43 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Scary Halloween Costumes for Girls — $0/yr Amazon US Niche (2026) - Flapen"
---
# **scary halloween costumes for girls**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 17Conversion 0Competition 76Returns 17Price range 95Avg price 95Brand share 86Review moat 78Quality gap 37
**Avg price**
**Incredible****$29.43**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$14.92–$50.83**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Great****49%**
top-5 brand share — no brand owns this niche
**Review moat**
**Great****436.86**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****39%**
top-5 click share — an open shelf
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-15.9%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****7.3%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$0**
$0/yr · 810K searches
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, scary halloween costumes for girls is a $0/yr Amazon United States market (810K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 41/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **scary halloween costumes for girls market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$59K–$74K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#3,476**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **62%**
- **Out of stock**
- **18.3%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.
**Brands**
**28 **▲rising
**Sellers**
**67**
**Top-5 brand share**
**49%**
Top 20: 91%
**Top-5 click share**
**39%**
Top 20: 78%
**Open market**
**47%**
- Elibelle22% - Fun World9% - FFNXKLDZSW7% - mcuaeddu5% - California Costumes5% - DSplay4%
## **Demand & seasonality**
Weekly Amazon search volume, last 86 weeks — -15.9% search growth over the last 90 days.
90K70KSpike '25Spike '26 seasonDecJanMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 89.7×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/scary-halloween-costumes-for-girls/trend)
## **Top scary halloween costumes for girls search terms**
- **scary halloween costumes for girls**87K/yr+126.9%0.0% conv. - **girls costumes 10-12**82K/yr-62.3%0.0% conv. - **scary costumes for girls**51K/yr+30.1%0.0% conv. - **girls costumes 8-10**19K/yr-31.7%0.0% conv. - **halloween costumes for girls scary**24K/yr+243.1%0.0% conv. - **halloween costumes for girls 12-14**55K/yr+140.3%0.0% conv. - **costume for girls 10-12**33K/yr-49.1%0.0% conv. - **girl costumes 10-12**42K/yr-64.6%0.0% conv. - **halloween costumes girls 10-12**30K/yr+75.7%0.0% conv. - **girl halloween costumes 10-12**49K/yr+26.4%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/scary-halloween-costumes-for-girls/search-terms)
## **Top scary halloween costumes for girls 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.
0%10%$020%$030%$040%$01101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Japanese Traditional Dress Kimono Robe for Kids Girls Costume Silk Folding Fans hairstick Fox mask Set(red Back 150cm)**Elibelle**$36.80**4.8★299 rev](https://www.amazon.com/dp/B0BZY3X5X7) [2**Fun World Girls Glitter Ghost Face Costume Medium Black**Fun World**$46.80**4.4★4 rev](https://www.amazon.com/dp/B0FNXCYL1T) [3**Kids Girl Pirate Halloween Cosplay Costume (10-12Y)**DSplay**$46.04**4.2★303 rev](https://www.amazon.com/dp/B07LG1YNKB) [4**NXXBLLLY Kids Onesie Animal Pajamas Halloween Costumes Christmas Cosplay Costumes for Girl(10-12 Years)**NXXBLLLY**$20.68**4.6★162 rev](https://www.amazon.com/dp/B0D79GXRD5) [5**Fun Costumes Girls Creepy Clown Costume - Scary Circus Clown Halloween Costume for Kids Vintage - Creepy Doll Cosplay - Medium - Multicolor**Fun Costumes**$14.92**5.0★14 rev](https://www.amazon.com/dp/B0CBNFG58V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)**SEHIOZNI**$24.02**14 rev1mo ago](https://www.amazon.com/dp/B0H3DBS5HF) [**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (12-14 Years)**mcuaeddu**$35.53**169 rev3mo ago](https://www.amazon.com/dp/B0GSTNZ9CS) [**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)**mcuaeddu**$36.83**169 rev5mo ago](https://www.amazon.com/dp/B0GJNSYXH2) [**CIRCKOPS 10Pcs Halloween Cheerleader Costume for Girls Zombie Cheer Uniform Outfit Scary Cheerleading Costume for Party Dress Up 8-9Y Black**CIRCKOPS**$23.30**49 rev10mo ago](https://www.amazon.com/dp/B0FFGPM1GX) [**CIRCKOPS 10Pcs Halloween Cheerleader Costume for Girls Zombie Cheer Uniform Outfit Scary Cheerleading Costume for Party Dress Up 9-10Y Black**CIRCKOPS**$22.97**49 rev10mo ago](https://www.amazon.com/dp/B0FFGN235Y)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (12-14 Years)**mcuaeddu**$35.53**4.6★**▲ 1000%**](https://www.amazon.com/dp/B0GSTNZ9CS) [**SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)**SEHIOZNI**$24.02**4.2★**▲ 1000%**](https://www.amazon.com/dp/B0H3DBS5HF) [**FFNXKLDZSW Kids Onesie Pajamas Animal Cosplay Costumes Sleepwear Halloween Costumes for Girl(10-12 Years)**FFNXKLDZSW**$21.52**4.7★**▲ 991%**](https://www.amazon.com/dp/B0D79LXBL1) [**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)**mcuaeddu**$36.83**4.6★**▲ 989%**](https://www.amazon.com/dp/B0GJNSYXH2) [**Fun World Girls Glitter Ghost Face Costume Medium Black**Fun World**$46.80**4.4★**▲ 969%**](https://www.amazon.com/dp/B0FNXCYL1T)
**~~View all trending →~~**
## **What buyers say about scary halloween costumes for girls**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**23%
*“Size fits as should”*
**Quality-Overall**16%
*“The quality of the mask is amazing”*
**Gifting Purpose**15%
*“Christmas gift”*
**Comfort-Overall**6%
*“Very comfy”*
**Value For Money**6%
*“Great value for your money”*
**Fun/Entertainment Experience**4%
*“fun”*
**Material Quality**3%
*“The costume looks like it is high quality material”*
**Durability**3%
*“Durable and comfortable”*
**Ease Of Use**3%
*“Easy for her to take on and off”*
**Shape/Style**2%
*“She loves to dress up”*
### **What buyers complain about **
**Size-Overall**18%
*“Too small”*
**Quality-Overall**16%
*“the shirts are very low quality”*
**Durability**14%
*“come apart very easily”*
**Material Quality**9%
*“Cheap material”*
**Advertised Vs Actual Product**7%
*“The sizing is not accurate”*
**Value For Money**4%
*“Its extremely cheap”*
**Color**4%
*“it's more of a pale purple not blue like the character”*
**Strap/String Quality**4%
*“Couldnt give it a five because the shoulder strap was not as adjustable enough to have it fit”*
**Gifting Purpose**4%
*“Disappointed this was suppose to be a Christmas gift”*
**Stain Resistance**2%
*“Dress stained up”*
### **Top return reasons **
**Size-Overall**58%
**Length**6%
**Quality-Overall**5%
**Material Quality**5%
**Defective Material/Parts**3%
**Advertised Vs Actual Product**3%
**Thigh Fit**2%
**Sleeve Fit**2%
**Zipper Quality**2%
**Color**2%
## **Common questions**
- **Is scary halloween costumes for girls profitable to sell on Amazon United States?**
- The niche generates $0/yr across 37 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is -15.9%. Flapen's verdict: Skip it (41/100).
- **How competitive is the scary halloween costumes for girls niche?**
- 28 brands and 67 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 49% of demand.
- **What do buyers complain about in scary halloween costumes for girls?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 7.3% — above our launch gate.
- **When does demand for scary halloween costumes for girls peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 89.7× the quietest.
- **What does it cost to enter the scary halloween costumes for girls niche?**
- Listings span $14.92–$50.83; the average listing price is $29.43 (sweet spot $15–$100). The average incumbent carries 437 reviews — the moat a new listing must climb.
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