It was listed on the National Register of Historic Places in 1976.

It includes primarily commercial and institutional buildings, with some residential buildings, that were designed in a number of popular architectural styles, including Late Victorian, and built between about 1828 and 1952.

Phillips Co. Office Building, the Masonic Temple, which was built in 1910, Butler High School, which was erected in 1917, the Butler YMCA, St. Peter's Anglican Church, which was completed in 1896, the First Evangelical Lutheran Church, which was built in 1897, St. Andrews United Presbyterian Church, which was erected circa 1900, the John Quincy Adams Kennedy House, which was built circa 1884, St. Mark's Evangelical Lutheran Church and School, which were built, respectively, in 1952 and 1925, First Baptist Church, which was erected in 1914, St. Paul's Roman Catholic Church, which was built in 1909, and Butler Savings and Trust, which was erected in 1925.

Located in the district and listed separately are the Butler County National Bank, the Sen. Walter Lowrie House, and the Butler County Courthouse.

[2] This district was listed on the National Register of Historic Places in 1976.