2025’s Most Popular Halloween Costumes In Illinois, Wisconsin

It's Halloween 2025, and you're about to see all kinds of different costumes and outfits parading up and down residential streets on a quest for candy and compliments.

Some costumes that you'll see require some explanation, while others are going to be the same costumes you've seen for years and years because of their enduring popularity.

Let's take a look at the costumes that are most popular in Illinois, Wisconsin, and for fun, the rest of the United States.

It's not too late to change your costume out for something else.

Here's What's Most Popular For Halloween Costumes In Illinois

In Illinois, classic and pop-culture costumes still hold strong.

According to a 2023 survey of state-by-state Google searches, the most popular costume in Illinois was a “Pirate” for traditional costumes and “Princess Peach (from Super Mario Bros.)” for pop-culture inspired ones. In 2022, The most-searched Halloween costume in Illinois was a witch, but back in 2019 it was Pennywise, the evil clown from "It."

More recently, here in 2025, the data shows that nationally popular costumes such as witches, vampires and superheroes remain among the top choices, and Illinois falls in line with those trends.

The bottom line is whether you’re hunting for treasure or plumbing pipes, pirates and princesses are still big in the Land of Lincoln, so you can expect to see plenty of them.

Now Let's Get To The Most Popular Trick-Or-Treat Outfits North Of The Cheddar Curtain

In Wisconsin, the numbers are a bit older but still revealing. A 2020 article noted that in Wisconsin the most-searched costume was “a mouse.”

While that may have been a bit of an outlier (and search trends do evolve), it highlights that Midwesterners often lean toward the hot things in pop culture, animal costumes, or classic themes. When you consider national Halloween costume trends like witches, vampires, and pirates, Wisconsin isn't much different than the other states and their preferences.

Next, Let's Take A Look At Which Costumes Are Trending Big This Year Across The Country

According to a study done by CTInsider.com, here are the top 5 most popular Halloween costume choices for adults in 2025, along with the expected number of people who'll be wearing the costume:

1. Witch (5.6 million adults)
2. Vampire (2.7 million)
3. Pirate (1.6 million)
4. Cat (1.6 million)
5. Batman (1.6 million)

And these are the top 5 most popular Halloween costume choices for kids:

1. Spider-Man (2.3 million)
2. Princess (1.9 million)
3. Witch (1.7 million)
4. Ghost (1.6 million)
5. Superhero (1.5 million)

The big pop-culture viral trend for kids this year is costumes including characters from K‑Pop Demon Hunters (Rumi, Zoey, Mira), and Labubu.