With Halloween just days away, here is what California is actually searching for, taken from a study of more than a million monthly search data points across all 50 states.
California’s most searched Halloween costumes for 2026 revealed
- KPop Demon Hunters is California’s most searched Halloween costume, with 110,000 searches.
- Minions is second in California with 74,000 searches, making it one of 16 states where Minions takes second place.
- KPop Demon Hunters leads in all 50 states, so second place is where the states differ.
KPop Demon Hunters is the most searched Halloween costume in California, according to new research from CSGOGem.
The study analyzed Google search volume for 854 Halloween costume search terms across all 50 states, producing 42,700 keyword-state combinations and more than one million monthly data points. Rankings are based on October 2025, the last completed Halloween peak and the best available guide to what people actually dress as.
California’s most searched Halloween costumes (October 2025):
| Rank | Costume | Searches in California |
|---|---|---|
| 1. | Kpop Demon Hunters | 110,000 |
| 2. | Minions | 74,000 |
| 3. | Wednesday Addams | 49,500 |
| 4. | Rumi | 49,500 |
| 5. | Harley Quinn | 49,500 |
Second place is where states disagree
KPop Demon Hunters tops the list in every single state, which is unusual. The competition is for second, and California puts Minions there. Nationally, Wednesday Addams is the runner-up in 21 states, Minions in 16, Harley Quinn in 11 and Rumi in two.
The national picture
| Rank | Costume | Searches |
|---|---|---|
| 1. | KPop Demon Hunters | 766,260 |
| 2. | Minions | 401,100 |
| 3. | Harley Quinn | 385,680 |
| 4. | Wednesday Addams | 348,880 |
| 5. | Catwoman | 319,020 |
Two of the five most searched costumes in America are villains. Harley Quinn ranks third with 385,680 searches and Catwoman fifth with 319,020, both ahead of every superhero in the study.
Rising fastest this season
Comparing August 2026 with August 2025, one franchise dominates the risers.
| Rank | Costume | Change vs August 2025 |
|---|---|---|
| 1. | Bowser Jr | +870% |
| 2. | Rosalina | +459% |
| 3. | Freddy Fazbear | +91% |
| 4. | Yoshi | +89% |
| 5. | Mario | +11% |
Three of the top four are Super Mario Galaxy Movie characters, after the film took more than $1 billion at the box office following its release in April 2026. Searches for the Silent Hill Nurse are down 30% year on year.
Ethan Brown from CSGOGem said, “Halloween is one of those magical holidays where our imagination can meet our mundane. It’s a chance for us to have a little fun and enjoy the lighter things in life and this data proves just how much Halloween means to those who choose to celebrate this spooky season.”
ENDS
If using this story, please credit and link to: https://csgogem.com/
California’s most searched Halloween costumes (October 2025):
| Rank | Costume | Searches in California |
|---|---|---|
| 1. | Kpop Demon Hunters | 110,000 |
| 2. | Minions | 74,000 |
| 3. | Wednesday Addams | 49,500 |
| 4. | Rumi | 49,500 |
| 5. | Harley Quinn | 49,500 |
America’s most searched Halloween costumes (October 2025):
| Rank | Costume | Searches |
|---|---|---|
| 1. | KPop Demon Hunters | 766,260 |
| 2. | Minions | 401,100 |
| 3. | Harley Quinn | 385,680 |
| 4. | Wednesday Addams | 348,880 |
| 5. | Catwoman | 319,020 |
Methodology:
This study analyzed Google keyword search volume data for 854 Halloween costume search terms across all 50 states, producing 42,700 keyword-state combinations. Each carries 24 months of search history, giving 1,024,800 monthly data points in total. Rankings are based on October 2025, the last completed Halloween peak and the best available guide to what people actually dress as. Figures for August 2026, the most recent complete month at the time of collection, are reported separately as season-to-date and are not a forecast of this year’s final ranking.
Key sources:
Google keyword search volume data (collected September 2026); US Census Bureau, Vintage 2025 state population estimates.
