Andrew and Jennie McFarlane House

Sewickley Manor, also known as the Pollins Farmstead, is an historic, American home and farm complex that is located in Mount Pleasant Township, Westmoreland County, Pennsylvania. It was added to the National Register of Historic Places in 1983.

The Fullerton Inn, also known as the Jacktown Inn, Jacksonville Hotel, and Fullerton-Sverdrup House, is an historic inn and tavern which is located in North Huntingdon Township, Westmoreland County, Pennsylvania. It was added to the National Register of Historic Places on June 30, 1983.It has been a private residence for more than 60 years.

Norwin High School is a public high school located in North Huntingdon, Pennsylvania, with a current enrollment of about 1,600 students in grades 9-12. It enrolls students from North Huntingdon Township, Irwin, and North Irwin. It is part of the Norwin School District.

Larimer is an unincorporated community in Westmoreland County, Pennsylvania, United States. The community is located along Pennsylvania Route 993, 2 miles (3.2 km) northwest of Irwin. Larimer has a post office, with ZIP code 15647, which opened on August 16, 1852.

Scab Hill is an unincorporated community and coal town in Westmoreland County, Pennsylvania, United States. It was also known as Adams Hill.

The Norwin School District is a large, suburban public school district. It is located in western Westmoreland County, Pennsylvania, United States of America. A tiny portion of this district also extends into Allegheny County.

Ardara is an unincorporated community in Westmoreland County, Pennsylvania, United States. The community is located along Pennsylvania Route 993, 2.9 miles (4.7 km) northwest of Irwin. Ardara has a post office, with ZIP code 15615, which opened on May 6, 1907.

North Irwin is a borough in Westmoreland County, Pennsylvania, United States. The population was 846 at the time of the 2010 census.

Irwin is a borough in Westmoreland County, Pennsylvania, 22 miles (35 km) southeast of Pittsburgh. Some of the most extensive bituminous coal deposits in the commonwealth are located here. In the past, iron foundries, flour mills, car shops, facing and planing mills, electricals goods, and mirror factories provided employment to the residents. In 1900, the population numbered 2,452; it increased to 2,886 in 1910. The population was 3,973 at the 2010 census.

Rillton is an unincorporated community in Westmoreland County, Pennsylvania, United States. The community is 2.9 miles (4.7 km) southwest of Irwin. Rillton has a post office, with ZIP code 15678.

White Oak Park is a 810-acre (3.3 km2) county park in Allegheny County, Pennsylvania, United States. It is a part of the county's 12,000-acre (49 km2) network of nine distinct parks. It is located 15 miles (24 km) southeast of downtown Pittsburgh in White Oak, Pennsylvania.

Yohoghany is an unincorporated community in Westmoreland County, in the U.S. state of Pennsylvania.