
Delaware, often called the “First State” due to its early ratification of the U.S. Constitution, is home to many historic sites that played a crucial role in shaping America’s history. Among these, one landmark stands out as the most iconic: The New Castle Court House Museum. This 18th-century structure is a symbol of Delaware’s colonial past, legal history, and fight for independence.
A Brief History of the New Castle Court House Museum
Located in the heart of historic New Castle, Delaware, the New Castle Court House Museum is one of the oldest courthouses in the United States. Built in 1730, it served as the center of government for the Delaware colony and played a significant role in the state’s push for independence. On June 15, 1776, Delaware’s assembly met here and declared its separation from both Pennsylvania and British rule, becoming one of the first colonies to take such action.
The courthouse remained an important site throughout Delaware’s history, hosting numerous legal proceedings and government activities. Today, it is a National Historic Landmark, offering visitors an in-depth look at the state’s legal and political evolution.
For more details, visit the Delaware Division of Historical and Cultural Affairs.
Key Features and Attractions
Visitors to the New Castle Court House Museum can explore a range of exhibits and preserved spaces, including:
- The Assembly Room: Where Delaware’s decision for independence was made.
- The Old Jail: A remnant of the colonial justice system.
- Historic Courtroom: Featuring authentic 18th-century furnishings and legal artifacts.
- Walking Tours: Guided explorations of New Castle’s historic district, providing context on the courthouse’s role in American history.
Other Notable Historic Landmarks in Delaware

While the New Castle Court House Museum is the most iconic, Delaware is home to several other historic landmarks worth visiting:
Fort Christina
Located in Wilmington, Fort Christina was established in 1638 as the first Swedish settlement in North America. This fort marked the beginning of European colonization in the Delaware Valley. The site, now a park, features a monument commemorating the Swedish settlers and their impact on early American history.
For official information, visit the Delaware State Parks website.
Holy Trinity Church (Old Swedes Church)
Also in Wilmington, Holy Trinity Church, consecrated in 1699, is among the oldest churches in continuous use in the United States. Built by early Swedish settlers, the church remains a key part of Delaware’s religious and cultural heritage.
For visiting hours and historical information, check out the Old Swedes Foundation.
The Old State House in Dover
Built between 1787 and 1792, the Old State House served as Delaware’s capitol building for over a century. Located on The Green in Dover, this Georgian-style structure is where Delaware ratified the U.S. Constitution, earning its nickname as the “First State.”
Learn more from the Delaware Division of Historical and Cultural Affairs.
Why the New Castle Court House Museum Stands Out?
While each of these landmarks offers a glimpse into Delaware’s past, the New Castle Court House Museum remains the most iconic and historically significant due to its direct link to the state’s independence and early government formation. Its well-preserved architecture and extensive exhibits provide visitors with an immersive experience, making it a must-visit destination for history enthusiasts.
Visiting the New Castle Court House Museum

- Location: 211 Delaware Street, New Castle, DE 19720
- Admission: Free (donations welcomed)
- Hours: Open year-round; hours vary seasonally
- Website: New Castle Court House Museum
Final Thoughts
Delaware’s history is deeply rooted in America’s foundation, and the New Castle Court House Museum stands as a testament to the state’s pivotal role. Whether you’re a history buff or a casual traveler, this site provides a rare opportunity to step back in time and witness where the “First State” truly came into its own. Don’t miss out on visiting one of the most iconic historic landmarks in Delaware!