Iowa State Capitol | Des Moines

The Iowa State Capitol is the seat of the Iowa government, located in Des Moines, Iowa. It is the only five-domed capitol building in the United States.

Visual Characteristics

The capitol building is constructed primarily of limestone and granite. Its central dome is covered in 23-karat gold leaf. The building features a Renaissance Revival architectural style, with a cruciform (cross-shaped) floor plan. It stands approximately 275 feet tall from the ground to the top of the dome's lantern.

Location & Access Logistics

The Iowa State Capitol is situated at East 12th Street and Grand Avenue in Des Moines. It is approximately 1 mile east of the Des Moines city center. Ample parking is available in the Capitol Complex parking garages, accessible from East 12th Street. Public transport options include various Des Moines Area Regional Transit Authority (DART) bus routes that stop near the Capitol Complex.

Historical & Ecological Origin

Construction of the Iowa State Capitol began in 1871 and was completed in 1886. The architects were John C. Cochrane and James G. Hill. Its original purpose was to serve as the legislative and judicial center for the state of Iowa.

Key Highlights & Activities

Visitors can tour the House of Representatives chamber, the Senate chamber, and the Supreme Court chamber. The State Law Library is accessible. Self-guided tours are permitted, and guided tours are offered on a scheduled basis. Observation of the rotunda and dome interior is a primary activity.

Infrastructure & Amenities

Restrooms are available within the building. Limited shaded areas are present on the grounds. Cell phone signal (4G/5G) is generally available inside the building. Food vendors are not located within the Capitol building itself, but are available in the surrounding downtown Des Moines area.

Best Time to Visit

For optimal interior lighting and fewer crowds, visiting on a weekday morning between 9:00 AM and 11:00 AM is recommended. The building is open year-round, with no specific seasonal weather restrictions for interior visits.

Facts & Legends

A specific detail of note is the use of 29 different colors of marble in the interior decoration. The building's original construction budget was $3 million, which was exceeded by over $1 million by the time of completion.

Nearby Landmarks

• Iowa State Historical Museum (0.2km West)
• World Food Prize Hall of Laureates (0.4km Southwest)
• Des Moines Civic Center (0.8km West)
• Principal Riverwalk (1.0km Southwest)
• Iowa Hall of Pride (0.3km West)