It was a temporary stronghold for the Pennsylvania colonial militia from 1756 to 1757, during the French and Indian War.

Prior to settlement by Europeans the area was inhabited by North American Indians, presumably Susquehannocks, evidenced by frequent unearthing of tools and arrowheads by local residents and farmers.

The Legislative Route 1 Sycamore Allee is located along both sides of the road south of Halifax and on the east side of the road north of Halifax; it was listed on the National Register of Historic Places in 2007.

[4] Halifax is located in western Dauphin County at 40°28′3″N 76°55′52″W / 40.46750°N 76.93111°W / 40.46750; -76.93111 (40.467623, -76.931156),[5] on the east bank of the Susquehanna River.

Pennsylvania Route 225 leads northeast from Halifax 9 miles (14 km) to Elizabethville.

According to the United States Census Bureau, Halifax has a total area of 0.34 square miles (0.87 km2), all land.