Holland Township is a township in Hunterdon County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 5,177, a decrease of 114 (−2.2%) from the 2010 census count of 5,291, which in turn reflected an increase of 167 (+3.3%) from the 5,124 counted in the 2000 census.

Holland Township is located in the northwestern part of Hunterdon County. The Delaware River forms its boundary with Pennsylvania and the Musconetcong River its boundary with Warren County. It was created from Alexandria Township on April 13, 1874, before being dissolved and reabsorbed into Alexandria Township on March 4, 1878. The township was reformed and separated as a municipality of its own again on March 11, 1879. Milford was created on April 15, 1911, from portions of Holland Township, based on the results of a referendum held on May 8, 1911. The township was named by Dutch settlers for Holland.

Holland Township, New Jersey

Geography

According to the United States Census Bureau, the township had a total area of 23.97 square miles (62.08 km2), including 23.47 square miles (60.78 km2) of land and 0.50 square miles (1.30 km2) of water (2.09%).

Holland Township, New Jersey

The township borders the municipalities of Alexandria Township, Bethlehem Township and Milford in Hunterdon County; Pohatcong Township in Warren County; and Bridgeton Township, Durham Township, Nockamixon Township and Riegelsville in Bucks County across the Delaware River in the Commonwealth of Pennsylvania.

Holland Township, New Jersey

Unincorporated communities, localities and place names located partially or completely within the township include Amsterdam, Finesville, Hughesville, Little York, Mount Joy, Riegel Ridge, Spring Mills and Warren Paper Mills.

Demographics

2010 census

The 2010 United States census counted 5,291 people, 1,972 households, and 1,544 families in the township. The population density was . There were 2,066 housing units at an average density of . The racial makeup was 97.62% (5,165) White, 0.72% (38) Black or African American, 0.06% (3) Native American, 0.77% (41) Asian, 0.04% (2) Pacific Islander, 0.28% (15) from other races, and 0.51% (27) from two or more races. Hispanic or Latino of any race were 2.68% (142) of the population.

Of the 1,972 households, 34.0% had children under the age of 18; 68.8% were married couples living together; 6.9% had a female householder with no husband present and 21.7% were non-families. Of all households, 18.1% were made up of individuals and 9.0% 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 3.06.

24.1% of the population were under the age of 18, 6.1% from 18 to 24, 20.5% from 25 to 44, 33.3% from 45 to 64, and 16.0% who were 65 years of age or older. The median age was 44.5 years. For every 100 females, the population had 96.7 males. For every 100 females ages 18 and older there were 92.8 males.

The Census Bureau's 2006–2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $85,190 (with a margin of error of +/− $11,358) and the median family income was $99,535 (+/− $16,553). Males had a median income of $77,951 (+/− $14,766) versus $56,719 (+/− $14,287) for females. The per capita income for the borough was $43,162 (+/− $5,210). About 1.9% of families and 3.2% of the population were below the poverty line, including 3.6% of those under age 18 and none of those age 65 or over.

2000 census

As of the 2000 United States census there were 5,124 people, 1,881 households, and 1,523 families residing in the township. The population density was . There were 1,942 housing units at an average density of . The racial makeup of the township was 98.09% White, 0.43% African American, 0.04% Native American, 0.43% Asian, 0.39% from other races, and 0.62% from two or more races. Hispanic or Latino of any race were 1.70% of the population.

There were 1,881 households, out of which 33.3% had children under the age of 18 living with them, 73.2% were married couples living together, 5.2% had a female householder with no husband present, and 19.0% were non-families. 15.5% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.06.

In the township the population was spread out, with 24.7% under the age of 18, 5.6% from 18 to 24, 26.8% from 25 to 44, 28.4% from 45 to 64, and 14.5% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 97.7 males. For every 100 females age 18 and over, there were 95.1 males.