Jacksonville Historic District (Jacksonville, Oregon)

The Jacksonville Historic District is a National Historic Landmark District located in Jacksonville, Oregon, United States. It encompasses the core of the city, reflecting its significance as a commercial and economic center during the Oregon gold rush of the 1850s through the 1880s. The district was designated a National Historic Landmark in 1966 for its well-preserved collection of 19th-century commercial, residential, and public buildings, showcasing a representative example of a Western gold rush town.

The district's boundaries are roughly defined by the city limits of Jacksonville as they existed in the late 19th century, and includes a wide variety of architectural styles reflecting the town's growth and prosperity during the gold rush era. Significant architectural examples include Italianate, Greek Revival, and vernacular styles. Contributing properties include brick commercial buildings, frame residences, churches, and public buildings like the county courthouse and jail.

The preservation of the Jacksonville Historic District is overseen by various local organizations and the city government, ensuring that new development and alterations to existing buildings are consistent with the historic character of the area. This ongoing effort aims to maintain the district's integrity and authenticity for future generations.