Allendale is a borough in Bergen County, New Jersey, United States. As of the United States 2000 Census, the borough population was 6,699. Allendale was formed on November 8, 1894 from portions of Franklin Township, Hohokus Township and Orvil Township at the height of the Boroughitis phenomenon then sweeping through Bergen County.

According to the United States Census Bureau, the borough has a total area of 3.2 square miles (8.2 km2), of which, 3.1 square miles (8.1 km2) of it is land and 0.04 square miles (0.1 km2) of it (0.95%) is water.

As of the census of 2000, there were 6,699 people, 2,110 households, and 1,795 families residing in the borough. The population density was 2,143.9 people per square mile (829.0/km2). There were 2,143 housing units at an average density of 685.8/sq mi (265.2/km2). The racial makeup of the borough was 92.48% White, 0.39% African American, 0.06% Native American, 6.09% Asian, 0.46% from other races, and 0.52% from two or more races. Hispanic or Latino of any race were 2.54% of the population.

There were 2,110 households out of which 47.4% had children under the age of 18 living with them, 77.5% were married couples living together, 6.1% had a female householder with no husband present, and 14.9% were non-families. 13.1% of all households were made up of individuals and 5.5% had someone living alone who was 65 years of age or older. The average household size was 3.03 and the average family size was 3.33.

In the borough the population was spread out with 30.4% under the age of 18, 4.2% from 18 to 24, 25.9% from 25 to 44, 25.4% from 45 to 64, and 14.1% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 93.9 males. For every 100 females age 18 and over, there were 86.8 males.

The median income for a household in the borough was $105,704, and the median income for a family was $113,390. Males had a median income of $88,210 versus $50,781 for females. The per capita income for the borough was $47,772. About 1.6% of families and 1.8% of the population were below the poverty line, including 2.7% of those under age 18 and none of those age 65 or over.

There are a number of exterminators, extermination services, extermination companies, pest control services, and pest removal services in Allendale, NJ, to deal with bugs and insect infestation and other pest problems. When it comes to pest control and animal control services in Allendale, New Jersey, you don't need to look any further than Del's Pest Arrest.