---
title: "Newborn Halloween Costume — $48K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/newborn-halloween-costume"
last_updated: "2026-08-12T00:09:14.405Z"
locale: en
meta:
  description: "Niche score 46/100 · $48K/yr market · 4.2M searches/yr · $18.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $48K/yr market · 4.2M searches/yr · $18.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Newborn Halloween Costume — $48K/yr Amazon US Niche (2026) - Flapen"
---

# **newborn halloween costume**

**Skip it**

Weak search conversion (0.1%) — this niche doesn't clear our bar today.

Market size 12Growth 60Conversion 1Competition 79Returns 17Price range 79Avg price 84Brand share 92Review moat 39Quality gap 24

**Brand share**

**Great****43%**

top-5 brand share — no brand owns this niche

**Avg price**

**Great****$18.77**

avg listing price — sweet spot $15–$100

**Competition**

**Great****36%**

top-5 click share — an open shelf

**Price range**

**Great****$7.72–$44.88**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Good****+36.5%**

90-day search growth — must beat 0% to launch

**Review moat**

**Okay****2,556.73**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Returns**

**Bad****7.2%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****$48K**

$48K/yr · 4.2M searches

**Conversion**

**Bad****0.1%**

search→purchase rate — share of searches ending in a sale

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United States niche tracking, newborn halloween costume is a $48K/yr Amazon United States market (4.2M searches/yr). The top 5 brands hold 43% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 46/100.

Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **newborn halloween costume market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**10K–13K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$188K–$235K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#724**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**92%**</dd>

<dt>**Sponsored**</dt><dd>**76%**</dd>

<dt>**Out of stock**</dt><dd>**9.5%**</dd>

<dt>**Avg brand age**</dt><dd>**42 months**</dd>

<dt>**Avg seller age**</dt><dd>**155 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

**Brands**

**38 **▼falling

**Sellers**

**44**

**Top-5 brand share**

**43%**

Top 20: 87%

**Top-5 click share**

**36%**

Top 20: 69%

**Open market**

**52%**

- AiWMGL9% - YINGISFITM9% - M&G House9% - Dcohmch8% - Disney8% - Ledy Champswiin5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +36.5% search growth over the last 90 days.

500K300KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 164.9×

[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/newborn-halloween-costume/trend)

## **Top newborn halloween costume search terms**

- **newborn halloween costume**399K/yr+120.9%0.0% conv. - **disfraz para bebe**198K/yr+48.3%0.0% conv. - **baby girl halloween costumes**476K/yr+98.3%0.0% conv. - **baby costumes**263K/yr-13.4%0.0% conv. - **infant halloween costume**211K/yr+127.0%0.1% conv. - **newborn costume**119K/yr-3.5%0.1% conv. - **baby halloween costume**291K/yr+153.6%0.0% conv. - **baby costumes 6-12 months**235K/yr-6.7%0.0% conv. - **newborn halloween costume girl**179K/yr+173.4%0.1% conv. - **baby girl costume**171K/yr-61.1%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/newborn-halloween-costume/search-terms)

## **Top newborn halloween costume 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%3%$1K6%$3K9%$4K12%$6K1101001K10K100K 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![AiWMGL Newborn Baby Bear Outfit Suit With Fold-Over Mittens and Footies Girls Boys 0-3 Months Winter Fleece Clothes Suit Hooded Jumpsuit Romper Snowsuit](https://m.media-amazon.com/images/I/41DoSIelAjL.jpg)**AiWMGL Newborn Baby Bear Outfit Suit With Fold-Over Mittens and Footies Girls Boys 0-3 Months Winter Fleece Clothes Suit Hooded Jumpsuit Romper Snowsuit**AiWMGL**$19.72**4.5★1,465 rev](https://www.amazon.com/dp/B0D73L76HR) [2![M&G House Newborn Photography Props Bathrobe Outfits Girl Baby Robe Bath Towel Costume Sets 0-6 Months(Pink)](https://m.media-amazon.com/images/I/41y+1QrFEpL.jpg)**M&G House Newborn Photography Props Bathrobe Outfits Girl Baby Robe Bath Towel Costume Sets 0-6 Months(Pink)**M&G House**$16.41**4.7★2,024 rev](https://www.amazon.com/dp/B07DH335F2) [3![YINGISFITM My First Halloween Baby Girl Outfit Newborn Pumpkin Bubble Romper Infant Jumpsuit Cute Girls Pumpkin Clothes (Pumpkin Face 0-3 Months)](https://m.media-amazon.com/images/I/41iMojhlvQL.jpg)**YINGISFITM My First Halloween Baby Girl Outfit Newborn Pumpkin Bubble Romper Infant Jumpsuit Cute Girls Pumpkin Clothes (Pumpkin Face 0-3 Months)**YINGISFITM**$14.75**4.6★294 rev](https://www.amazon.com/dp/B0D66YJ2RK) [4![Baby Boy Girl Dinosaur Costume Cute Sleeveless Romper with Hat Newborn Infant Halloween Cosplay Clothes (Emerald 0-3 Months)](https://m.media-amazon.com/images/I/410IJCszPvL.jpg)**Baby Boy Girl Dinosaur Costume Cute Sleeveless Romper with Hat Newborn Infant Halloween Cosplay Clothes (Emerald 0-3 Months)**Dcohmch**$19.96**4.6★167 rev](https://www.amazon.com/dp/B0FFGRBPC9) [5![Ledy Champswiin 2Pcs Neutral Outfits Newborn Baby Boy Girl Pumpkin Romper Jumpsuit My 1st Halloween Clothes with Hat](https://m.media-amazon.com/images/I/41MaHd8NpsL.jpg)**Ledy Champswiin 2Pcs Neutral Outfits Newborn Baby Boy Girl Pumpkin Romper Jumpsuit My 1st Halloween Clothes with Hat**Ledy Champswiin**$13.15**4.6★248 rev](https://www.amazon.com/dp/B0C9D5F1C8)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Rourufy Baby Halloween Outfit Newborn Boy Girl Waffle Embroidery Pumpkin Jumpsuit Long Sleeve Romper Fall Winter Clothes (G Pumpkin Orange 0-3 Months)](https://m.media-amazon.com/images/I/41irj6b0XXL.jpg)**Rourufy Baby Halloween Outfit Newborn Boy Girl Waffle Embroidery Pumpkin Jumpsuit Long Sleeve Romper Fall Winter Clothes (G Pumpkin Orange 0-3 Months)**Rourufy**$9.39**32 rev1mo ago](https://www.amazon.com/dp/B0H2DBY7N6) [![Simple Joys by Carters Baby 2-Pack Halloween Snap Cotton Footed Sleep and Play](https://m.media-amazon.com/images/I/41-TB+UPgYL.jpg)**Simple Joys by Carters Baby 2-Pack Halloween Snap Cotton Footed Sleep and Play**Simple Joys by Carter's**$15.23**2,819 rev2mo ago](https://www.amazon.com/dp/B083XGNW7W) [![Simple Joys by Carters Baby 2-Pack Halloween Snap Cotton Footed Sleep and Play](https://m.media-amazon.com/images/I/41-TB+UPgYL.jpg)**Simple Joys by Carters Baby 2-Pack Halloween Snap Cotton Footed Sleep and Play**Simple Joys by Carter's**$15.25**2,819 rev2mo ago](https://www.amazon.com/dp/B083X6PCPF) [![ZOELNIC Baby Boy Romper Newborn Onesie Cute Baby Girl One-Piece Jumpsuits Outfits Clothes(thicken-brown 6-9M)](https://m.media-amazon.com/images/I/41yQ3t7QSmL.jpg)**ZOELNIC Baby Boy Romper Newborn Onesie Cute Baby Girl One-Piece Jumpsuits Outfits Clothes(thicken-brown 6-9M)**ZOELNIC**$21.37**147 rev11mo ago](https://www.amazon.com/dp/B0FLNRFTVW) [![Kavousa Newborn Baby Girl Boy Halloween Outfit Pumpkin Bow Print Footies Romper Long Sleeve Ruffle Footed Jumpsuit Headband (Black 3-6 Months)](https://m.media-amazon.com/images/I/41PfknvezuL.jpg)**Kavousa Newborn Baby Girl Boy Halloween Outfit Pumpkin Bow Print Footies Romper Long Sleeve Ruffle Footed Jumpsuit Headband (Black 3-6 Months)**Kavousa**$8.02**1 rev1y ago](https://www.amazon.com/dp/B0FG2C8P6G)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Kavousa Newborn Baby Girl Boy Halloween Outfit Pumpkin Bow Print Footies Romper Long Sleeve Ruffle Footed Jumpsuit Headband (Black 3-6 Months)](https://m.media-amazon.com/images/I/41PfknvezuL.jpg)**Kavousa Newborn Baby Girl Boy Halloween Outfit Pumpkin Bow Print Footies Romper Long Sleeve Ruffle Footed Jumpsuit Headband (Black 3-6 Months)**Kavousa**$8.02**5.0★**▲ 261%**](https://www.amazon.com/dp/B0FG2C8P6G) [![Disney Winnie the Pooh Newborn Baby Boys 4 Piece Outfit Set: Bodysuit Pants Bib Hat Yellow 3-6 Months](https://m.media-amazon.com/images/I/4186abjP1TL.jpg)**Disney Winnie the Pooh Newborn Baby Boys 4 Piece Outfit Set: Bodysuit Pants Bib Hat Yellow 3-6 Months**Disney**$20.22**4.8★**▲ 256%**](https://www.amazon.com/dp/B092RVPFM1) [![LATOBREATH Newborn Baby Girls Princess Caveman Cavegirl Pebbles Costume Halloween Outfit Romper With Headband3-6 Months](https://m.media-amazon.com/images/I/41pTDIWeECL.jpg)**LATOBREATH Newborn Baby Girls Princess Caveman Cavegirl Pebbles Costume Halloween Outfit Romper With Headband3-6 Months**LATOBREATH**$22.50**4.9★**▲ 255%**](https://www.amazon.com/dp/B0F29R9Q8W) [![Rourufy Baby Halloween Outfit Newborn Boy Girl Waffle Embroidery Pumpkin Jumpsuit Long Sleeve Romper Fall Winter Clothes (G Pumpkin Orange 0-3 Months)](https://m.media-amazon.com/images/I/41irj6b0XXL.jpg)**Rourufy Baby Halloween Outfit Newborn Boy Girl Waffle Embroidery Pumpkin Jumpsuit Long Sleeve Romper Fall Winter Clothes (G Pumpkin Orange 0-3 Months)**Rourufy**$9.39**4.2★**▲ 255%**](https://www.amazon.com/dp/B0H2DBY7N6) [![ZOELNIC Baby Boy Romper Newborn Onesie Cute Baby Girl One-Piece Jumpsuits Outfits Clothes(thicken-brown 6-9M)](https://m.media-amazon.com/images/I/41yQ3t7QSmL.jpg)**ZOELNIC Baby Boy Romper Newborn Onesie Cute Baby Girl One-Piece Jumpsuits Outfits Clothes(thicken-brown 6-9M)**ZOELNIC**$21.37**4.8★**▲ 221%**](https://www.amazon.com/dp/B0FLNRFTVW)

**~~View all trending →~~**

## **What buyers say about newborn halloween costume**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**20%

*“Fit perfectly”*

**Quality-Overall**15%

*“Good quality”*

**Soft Feel**11%

*“Its softer than I thought it would be”*

**Advertised Vs Actual Product**7%

*“Looks like picture”*

**Value For Money**5%

*“Worth the money”*

**Comfort-Overall**5%

*“Its very comfortable”*

**Warmth**5%

*“keeps her pretty warm”*

**Material Quality**4%

*“The material was lightweight”*

**Ease Of Use**3%

*“Easy to put on”*

**Color**2%

*“And the color is so pretty in person”*

### **What buyers complain about **

**Size-Overall**30%

*“Too tight and small on baby”*

**Quality-Overall**13%

*“Really low quality stitching”*

**Thickness**5%

*“Thicker material”*

**Comfort-Overall**5%

*“Has no comfort or warmth value”*

**Material Quality**4%

*“Low quality/junk materials”*

**Smell**3%

*“Smelled awful”*

**Warmth**3%

*“he was too warm”*

**Advertised Vs Actual Product**2%

*“Picture doesnt do it justice I took a lot off before I snapped a picture”*

**Value For Money**2%

*“Cheap as cheap could be”*

**Hard Feel**2%

*“Bad/rough quality”*

### **Top return reasons **

**Size-Overall**63%

**Length**7%

**Material Quality**6%

**Quality-Overall**4%

**Advertised Vs Actual Product**3%

**Thin**2%

**Color**1%

**Product Condition**1%

**Sleeve Fit**1%

**Value For Money**1%

## **Common questions**

<dl>

<dt>**Is newborn halloween costume profitable to sell on Amazon United States?**</dt><dd>The niche generates $48K/yr across 62 tracked products. 1 of 9 products launched in the last 360 days are still selling. 90-day search growth is +36.5%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the newborn halloween costume niche?**</dt><dd>38 brands and 44 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 43% of demand.</dd>

<dt>**What do buyers complain about in newborn halloween costume?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 7.2% — above our launch gate.</dd>

<dt>**When does demand for newborn halloween costume peak?**</dt><dd>Demand peaks in Sep–Oct–Nov; the busiest month runs 164.9× the quietest.</dd>

<dt>**What does it cost to enter the newborn halloween costume niche?**</dt><dd>Listings span $7.72–$44.88; the average listing price is $18.77 (sweet spot $15–$100). The average incumbent carries 2,557 reviews — the moat a new listing must climb.</dd>

</dl>

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