National Register Listings in

Butler County, Pennsylvania

Butler County, located in western Pennsylvania, has a rich history that dates back to Native American settlements. In the early 1700s, the region was inhabited by the Lenape and Seneca tribes. European settlers arrived in the mid-1700s, primarily of Scottish and Irish descent. The area was part of Westmoreland County until 1800 when Butler County was established as a separate entity.

During the American Revolution, the county played a vital role as a strategic location for military operations. Butler County's own General Richard Butler fought alongside George Washington, earning the county's name in his honor. In the 19th century, the region experienced significant growth with the introduction of industries like iron and oil.

The discovery of oil in the late 1800s led to an oil boom, transforming the county's economy. Towns such as Butler, Oil City, and Parker became thriving oil refining centers. The oil industry brought prosperity and infrastructure development to the county.

In the early 20th century, Butler County went through various economic shifts, transitioning from oil to manufacturing. The county became home to several industrial companies, and factories were built in towns like Butler and Mars. The manufacturing sector remained the backbone of the local economy for many decades.

Presently, Butler County continues to evolve, with a diverse economy that includes healthcare, education, technology, and agriculture. It retains its historic charm with several landmarks, including the Butler County Courthouse and the Preston Park Museum, which provides a glimpse into the county's rich history.