The best museums in Decatur in September 2025

These are the top 5 best museums in Decatur, United States, ranked by their rating and popularity in 2025. Click a museum for more information about the museum, including visitor information, exhibitions and reviews.

For a complete overview of museums in Decatur, their exhibitions and discount cards & passes, see our overview page with all museums in Decatur.

Looking for the best museums in Decatur? These are the best ones:

  1. Children's Museum of Illinois1

    Children's Museum of Illinois

     Decatur, IL
    Witty exhibitions to challenge children's minds. Let your kid climb a sculpture or fly in the plane. Named one of 25 best children's museums in the U.S.
  2. James Millikin Homestead2

    James Millikin Homestead

     Decatur, IL
    The James Millikin House, a historic landmark, is situated at 125 N. Pine St. in Decatur, Illinois. This location is easily accessible and offers a glimpse into the past, making it a worthwhile stop for tourists interested in history and architecture.
  3. 3

    Scovill Zoo

     Decatur, IL
    Scovill Zoo, located in Decatur, Illinois, is a globally recognized institution, being one of the 210 zoos accredited by the Association of Zoos and Aquariums. The zoo is home to approximately 500 animals, representing 96 different species from six continents. This diversity of species provides visitors with a unique opportunity to experience and learn about wildlife from all over the world in one place.
  4. 4

    Hieronymus Mueller Museum

     Decatur, IL
    A German immigrant, that turned into a businessman and inventor. Water tapper, sanitary drinking fountain and Mueller-Benz car. Explore more!
  5. 5

    Governor Oglesby Mansion

     Decatur, IL
    House of the former U.S. senator, general in Civil War and three times governor of Illinois. Precious example of living at that time.

All museums in Decatur