Blairstown is a township in Warren County, New Jersey, United States. As of the 2010 United States Census, the township’s population was 5,967 reflecting an increase of 220 (+3.8%) from the 5,747 counted in the 2000 Census, which had in turn increased by 416 (+7.8%) from the 5,331 counted in the 1990 Census.
The area had been known as Smith’s Mill and was later called Butts Bridge (variously spelled as “Butt’s Bridge” and “Butts’ Bridge”), named for a family that owned the eponymous crossing of the Paulins Kill.
Blairstown was incorporated as a township by an act of the New Jersey Legislature on April 14, 1845, from portions of Knowlton Township, based on the results of a referendum held that day. The township was named for John Insley Blair.
According to the United States Census Bureau, the township had a total area of 31.704 square miles (82.112 km2), including 30.817 square miles (79.816 km2) of land and 0.887 square miles (2.297 km2) of water (2.80%). The township is located in the Kittatinny Valley which is a section of the Great Appalachian Valley that stretches for 700 miles (1,100 km) from Canada to Alabama.
Blairstown CDP (with a 2010 Census population of 515) is an unincorporated community and census-designated place (CDP) located within the township.
Other unincorporated communities, localities and place names located partially or completely within the township include Blair Lake, Cedar Lake, Cooks Pond, Jacksonburg, Kalaroma, Lake Susquehanna, Mount Vernon, Paulina, Vail and Walnut Valley.
As of the 2010 United States Census, there were 5,967 people, 2,124 households, and 1,703 families residing in the township. The population density was 193.6 per square mile (74.7/km2). There were 2,272 housing units at an average density of 73.7 per square mile (28.5/km2). The racial makeup of the township was 96.03% (5,730) White, 1.12% (67) Black or African American, 0.12% (7) Native American, 1.14% (68) Asian, 0.00% (0) Pacific Islander, 0.45% (27) from other races, and 1.14% (68) from two or more races. Hispanic or Latino of any race were 3.79% (226) of the population.
Source: Wikipedia
