North Irwin, Pennsylvania

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.

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

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.

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.

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.

Brush Hill, also known as Old Scull House, is a historic mansion located at Irwin, Westmoreland County, Pennsylvania. It was built in 1798, and is a two-story, Federal style dwelling. It is constructed of fieldstone.It was added to the National Register of Historic Places in 1975.

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.

Andrew and Jennie McFarlane House, also known as the William Larimer, Sr. House, is a historic home located in North Huntingdon Township, Westmoreland County, Pennsylvania. It is a 2+1⁄2-story, L-shaped, log and frame dwelling with cedar siding. The original log section was built between 1790 and 1798. It has a rear wood-frame addition built in 1870. At the same time, the house was renovated in the Italianate style. A wraparound porch was added in 1989.It was added to the National Register of Historic Places in 2004.

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.

Westmoreland City is an unincorporated community located within North Huntingdon Township, Westmoreland County, Pennsylvania, United States.

Manor is a borough that is located in Westmoreland County, Pennsylvania, United States. The population was 3,585 at the time of the 2020 census.