Harmony Township is a township located in Warren County in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 2,503, a decrease of 164 (−6.1%) from the 2010 census count of 2,667, which in turn reflected a decline of 62 (−2.3%) from the 2,729 counted in the 2000 census.
Harmony was incorporated as a township by an act of the New Jersey Legislature on April 8, 1839, from portions of Greenwich Township and Oxford Township, based on the results of a referendum held that day. Phillipsburg Township was created March 7, 1851, from portions of the township. The township was named for Harmon Shipman, an early settler.
Geography
According to the U.S. Census Bureau, Harmony township had a total area of 24.13 square miles (62.49 km2), including 23.75 square miles (61.51 km2) of land and 0.38 square miles (0.98 km2) of water (1.56%).
Brainards (with a 2010 population of 202) Harmony CDP (441) and Hutchinson (135) are unincorporated communities and census-designated places (CDPs) located within the township.
Other unincorporated communities, localities and place names located partially or completely within the township include Allens Mills, Harmony Station, Lower Harmony, Martins Creek Station, Montana and Roxburg.
The township borders the Warren County municipalities of Franklin Township, Lopatcong Township and White Township.
Demographics
The township's economic data, like all of Warren County, is calculated by the U.S. Census Bureau as part of the Allentown-Bethlehem-Easton, PA-NJ Metropolitan Statistical Area.
2010 census
The 2010 United States census counted 2,667 people, 1,017 households, and 760 families in the township. The population density was . There were 1,109 housing units at an average density of . The racial makeup was 98.28% (2,621) White, 0.67% (18) Black or African American, 0.26% (7) Native American, 0.19% (5) Asian, 0.00% (0) Pacific Islander, 0.07% (2) from other races, and 0.52% (14) from two or more races. Hispanic or Latino of any race were 1.31% (35) of the population.
Of the 1,017 households, 28.0% had children under the age of 18; 63.1% were married couples living together; 8.4% had a female householder with no husband present and 25.3% were non-families. Of all households, 20.6% were made up of individuals and 8.8% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.02.
21.0% of the population were under the age of 18, 6.9% from 18 to 24, 20.4% from 25 to 44, 35.7% from 45 to 64, and 16.0% who were 65 years of age or older. The median age was 46.1 years. For every 100 females, the population had 97.0 males. For every 100 females ages 18 and older there were 97.4 males. The Census Bureau's 2006–2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $82,339 (with a margin of error of +/− $7,992) and the median family income was $86,964 (+/− $11,141). Males had a median income of $60,489 (+/− $4,798) versus $53,100 (+/− $11,618) for females. The per capita income for the borough was $34,985 (+/− $4,062). About 0.7% of families and 1.2% of the population were below the poverty line, including 0.5% of those under age 18 and 1.7% of those age 65 or over.
2000 census
As of the 2000 United States census there were 2,729 people, 1,010 households, and 786 families residing in the township. The population density was . There were 1,076 housing units at an average density of . The racial makeup of the township was 97.91% White, 0.70% African American, 0.07% Native American, 0.40% Asian, 0.18% from other races, and 0.73% from two or more races. Hispanic or Latino of any race were 1.28% of the population.
There were 1,010 households, out of which 34.2% had children under the age of 18 living with them, 66.3% were married couples living together, 7.7% had a female householder with no husband present, and 22.1% were non-families. 17.8% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.05.
In the township, the population was spread out, with 24.1% under the age of 18, 5.2% from 18 to 24, 30.6% from 25 to 44, 26.2% from 45 to 64, and 13.9% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 97.8 males. For every 100 females age 18 and over, there were 97.2 males.