Hainesburg is located next to Paulins Kill, and a stone grist mill was erected on that waterway prior to the American Revolution. The mill was destroyed by fire in 1908.[15]
Land was acquired at Hainesburg in 1843 by the Beck brothers, who divided it into lots. Originally known as "Sodom", the town's first post office was called "Hainesburg" in honor of John Haines, who made a significant donation to a school located there.[15][16]
According to the United States Census Bureau, the CDP had a total area of 0.156 square miles (0.405 km2), including 0.155 square miles (0.402 km2) of land and 0.001 square miles (0.003 km2) of water (0.84%).[1][2]
Of the 29 households, 41.4% had children under the age of 18; 62.1% were married couples living together; 6.9% had a female householder with no husband present and 20.7% were non-families. Of all households, 17.2% were made up of individuals and 3.4% had someone living alone who was 65 years of age or older. The average household size was 3.14 and the average family size was 3.57.[14]
29.7% of the population were under the age of 18, 2.2% from 18 to 24, 38.5% from 25 to 44, 23.1% from 45 to 64, and 6.6% who were 65 years of age or older. The median age was 36.3 years. For every 100 females, the population had 111.6 males. For every 100 females ages 18 and older there were 137.0 males.[14]
^New Jersey: 2010 - Population and Housing Unit Counts - 2010 Census of Population and Housing (CPH-2-32), United States Census Bureau, p. III-5, August 2012. Accessed June 4, 2013. "Warren County—Name Changes: Beattystown CDP name corrected from Beatyestown; New CDPs: Allamuchy (formed from part of deleted Allamuchy-Panther Valley CDP), Anderson, Asbury, Blairstown, Brainards, Bridgeville, Broadway, Brookfield, Buttzville, Columbia, Delaware, Delaware Park, Finesville, Great Meadows (formed from part of deleted Great Meadows-Vienna CDP and additional area), Greenwich, Hainesburg, Harmony, Hope, Hutchinson, Johnsonburg, Lopatcong Overlook, Marksboro, Mountain Lake, Mount Hermon, New Village, Panther Valley (formed from part of deleted Allamuchy-Panther Valley CDP), Port Colden, Port Murray, Silver Lake, Stewartsville, Upper Pohatcong, Upper Stewartsville, and Vienna (formed from part of deleted Great Meadows-Vienna and additional area)"
