Visit Us.

A large white, three-story historic house with a wrap-around porch, multiple windows, and a small dormer window on the roof, surrounded by green grass and flower beds, under a partly cloudy sky.

Museum Appointments

The 1902 Simpson House will be open in conjunction with certain Johnston Library, Simpson Barn, and Johnston Commons Park events and by appointment. For appointments call us at (515) 331-0687

Gray barn with four quilt square decorations on the upper wall, set in a brick patio area with picnic tables, and a metal windmill in the background under a partly cloudy sky.

Barn Reservation

The barn can be rented for your special event. For information call the Johnston Parks Department at (515) 727-8091

Upcoming events

  • Holiday Open House

    December 14th 2025

    2:00-4:00PM

    A festive open house event with holiday treats in the decorated Simpson House Museum with guided tours.

  • Kites on the Green

    TBD

    Visitors at this annual city festival can also tour the Simpson House at the Johnston Commons Park

  • Sundaes in the Park

    TBD

    Visitors to this annual Johnston Community School District event can also tour the Simpson House at the Johnston Commons Park.