Monster Mash Halloween Parties at the St. Louis Public Library

Saturday, October 26, 2019

This event has already passed.

Wednesday, October 30, 2019

This event has already passed.

Thursday, October 31, 2019

This event has already passed.

Halloween parties at the St. Louis Public Library are free! Kids and teens can make their own Frankentoy or craft, watch Halloween movies, and find Halloween candy. Reservations are not required. Please note the age range for each party. Costumes are encouraged!

Several parties are scheduled at the following branches:

October 26:

Monster Mash Halloween Party for kids in grades kindergarten through 5, 2 to 4 p.m. at the Central Library.

Monster Mash for kids in grades 6-12 from noon to 4 p.m. at the Central Library.

October 30:

Halloween Party for kids in grades kindergarten through 5, 3:30 to 5:30 p.m. at the Walnut Park Branch.

October 31:

Halloween Party for all ages. 4 to 6 p.m. at the Julia Davis Branch.

Find even more Halloween fun all across St. Louis in our Things To Do calendar

Tags: Halloween 2019 events in St. Louis, Halloween for kids, Halloween activities for kids in St. Louis, Trick or Treating in St. Louis, fun things to do with kids in STL, St. Louis Family Events, free things to do in St. Louis with kids, parenting resources in St. Louis

Locations: St. Louis

Ages: Elementary Age, High Schoolers, Middle Schoolers, Preschool, Teens and Tweens

Things to Do

Halloween Walk in Kirkwood

Thursday, October 29, 2026

Children can trick or treat in costume at participating downtown Kirkwood businesses and City Hall.

View this event »

Halloween Nights at Grant's Farm

Thursday, October 29, 2026

Friday, October 30, 2026

Get into the Halloween spirit with some spooky fun and celebrate with the animals at Grant's Farm. Enjoy Halloween tram rides featuring Halloween lights, spooky scenes, live actors, scare zones, a Halloween-themed show, monster mash party and more. Costumes are encouraged.

View this event »

Halloween Parade at Westport

Thursday, October 29, 2026

Costumed kids ages 10 and under are invited to the annual Halloween Parade at Westport Plaza, kicking off at 6 p.m.

View this event »

The Healthy History-Lovin' Halloween Party

Thursday, October 29, 2026

Join the Missouri History Museum for a movin' and grovin' Halloween party! Kids are encouraged to wear their costumes while they participate in candy-free trick or treating, Halloween-inspired spooktacular stretches, fun crafts and more. And if you're brave, stop by the family-friendly Haunted History Clubhouse!

View this event »

Boo at the Zoo

Thursday, October 29, 2026

Friday, October 30, 2026

Families and kids of all ages can enjoy festive decorations, entertainers, many of your favorite Zoo exhibits and lots more at the Saint Louis Zoo's nighttime, non-scary Halloween experience Boo at the Zoo!

Boo at the Zoo is a long-time St. Louis family favorite, with fun, spellbinding decorations and great photo opportunities, spooktacular entertainment as actors bring the decorated areas to life, interaction with the animals, fun at the 4-D Theater, Conservation Carousel, and more.

View this event »

See All Things to Do

Want daily ideas of things to do? How about special offers & giveaways? Sign up and we’ll handle the rest.

Popular Stories

Dinoroarus Comes Roaring Back at the Saint Louis Zoo

The Dinoroarus exhibit brings prehistoric fun back to the Saint Louis Zoo this summer with 20 lifelike dinosaur animatronics and sculptures on the Zoo's Historic Hill.

Get Ready to Climb and Explore at These Free Big Truck Days

If your kids love to explore big trucks and vehicles, these upcoming Big Truck Days are a perfect weekend or weeknight outing. They'll get to climb on and explore fire trucks, police vehicles, bulldozers, bucket trucks, ambulances and lots more.

Travel Back in Time Every Friday at the Missouri History Museum’s Free Summer Family Fun Series

There comes a point every summer when all that “free time” isn’t so fun anymore. Your kids are bouncing off the walls, it’s too hot to hit the playground, and every activity seems to come with a big price tag. That’s when the screens come out, and parents find themselves counting down the minutes to bedtime. Thankfully, when Friday rolls around each week, your family can experience a mini summer getaway through history – no travel required.

City Museum's Stuff the Bus Campaign Provides School Supplies for 160 St. Louis Schools

Visit City Museum August 3-31, bring school supplies to donate, and get discounted admission! That's the idea behind City Museum's Stuff the Bus campaign.

Your Guide to Free Outdoor Family Movies this Summer

Seeing a movie at the theater is a magical experience, but when summer rolls around, it’s time to get outside and enjoy free movies under the stars! Free family movie nights abound across the St. Louis area, so grab your kids, a blanket or lawn chairs, and get ready for some cinematic fun. Here's where to find them:

You Might Also Like...

Find yourself at Forsyth on Sunday, October 25, 3:00–5:00 pm for All-School Open House! Perfect for families with candidates for any and every grade, All-School Open House is a wonderful opportunity to meet our classroom and specialist teachers, chat with current students and families, and hear from Head of School Rob Butler. Advance registration is required.

Forsyth School fosters a spirit of curiosity and joy, empowering children age 2 through Grade 6 to pursue challenges with confidence. At Forsyth, our talented and caring teachers encourage students to explore and question, enabling them to learn deeply. Each child's unique identity is known, celebrated, and nurtured by our supportive community. The results are profound: children take risks, pursue challenges, and find joy in learning. The "Forsyth experience" is enriched by the school's unique campus, location, and commitment to the natural world. LEARN MORE AND RSVP

The Missouri History Museum celebrates education and family learning with History Exploration Days! One Friday per month from September to May, homeschool families with kids of all ages can explore a different historical topic—together! All activities are FREE. Explore St. Louis history in new and exciting ways through interactive guided gallery tours, hands-on workshops, and community performances that align with each month’s theme, encouraging investigation, exploration, and creative fun. Activities are offered at various times throughout the day and are customized for specific grade-level groups.

Storytelling takes place in the morning, and all ages are welcome. Visit the craft room for fun learning experiences, with museum educators available to help learners participate in meaningful ways. Topics this school year include colonial St. Louis, baseball, Black history, and wildlife. Detailed schedules for each day will be posted to the Museum’s website. The program is offered on October 9, November 13, December 11, January 15, February 19, March 19, April 9, and May 14. LEARN MORE

What if school were a place where curiosity leads the way, learning comes to life, and children discover just how much they're capable of? At The College School, students from Preschool through Eighth Grade learn by doing. They explore creeks and forests, tackle meaningful challenges, ask big questions, and build the confidence to think independently. With strong academics, hands-on experiences, and a close-knit community, learning extends far beyond the classroom.

We invite you to experience it for yourself at our All-School Open House on Saturday, November 14, from 9:00–10:30 a.m. Meet our teachers, explore our classrooms and learning spaces, and discover what makes The College School such a special place to grow.

Come see how an extraordinary education begins with the freedom to explore.

Register for Open House

From Our Sponsors