The Metropolitan campus of Fairleigh Dickinson University straddles the Hackensack River in both Hackensack and Teaneck. Hackensack is also the home of the New Jersey Naval Museum and the World War II submarine USS Ling. Astronaut Walter Schirra is perhaps Hackensack's most famous native son.
As of the census of 2000, there were 42,677 people, 18,113 households, and 9,545 families residing in the city. The population density was 10,358.3 people per square mile (3,999.4/km²). There were 18,945 housing units at an average density of 4,598.2/sq mi (1,775.4/km²). The racial makeup of the city was 52.61% White, 24.65% African American, 0.45% Native American, 7.45% Asian, 0.05% Pacific Islander, 9.71% from other races, and 5.08% from two or more races. Hispanic or Latino of any race were 25.92% of the population.
There were 18,113 households out of which 21.9% had children under the age of 18 living with them, 34.8% were married couples living together, 13.0% had a female householder with no husband present, and 47.3% were non-families. 39.8% of all households were made up of individuals and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 3.08.
In the city the population was spread out with 18.2% under the age of 18, 8.6% from 18 to 24, 38.4% from 25 to 44, 22.3% from 45 to 64, and 12.5% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 98.7 males. For every 100 females age 18 and over, there were 98.5 males.
The median income for a household in the city was $49,316, and the median income for a family was $56,953. Males had a median income of $39,636 versus $32,911 for females. The per capita income for the city was $26,856. About 6.8% of families and 9.3% of the population were below the poverty line, including 9.1% of those under age 18 and 10.3% of those age 65 or over.
The city is served by three train stations on New Jersey Transit's Pascack Valley Line, two of them in Hackensack. Anderson Street Station serves Northern Hackensack while Essex Street Station serves Southern portions of the city. The North Hackensack Station also serves the northernmost parts of Hackensack, and The Shops at Riverside, but the station is in the southernmost part of River Edge, adjoining Hackensack.
New Jersey Transit buses include lines 144, 157, 162, 163, 164, 165 and 168 serving the Port Authority Bus Terminal in Midtown Manhattan; the 175, 178 and 182 to the George Washington Bridge Bus terminal; the 76 to Newark; the 83 route to Jersey City; and local service on the 709, 712, 751, 752, 753, 755, 756, 762, 770, 772 and 780 lines.
Interstate 80, Route 17, Route 4, and County Route 503 serve Hackensack, while there are many other main roads in Hackensack.
The Passaic-Bergen Rail Line is a planned rail system that will have two stops in Hackensack.