Singac (pronounced SING-ack) is an unincorporated community and census-designated place (CDP) located within Little Falls, in Passaic County, in the U.S. state of New Jersey. As of the 2010 United States Census, the CDP's population was 3,618.

The name Singac is believed to be an interpretation of the Lenape words meaning "backbone of mountain" or that it may originate from the Lenape term schinghacki meaning "flat country" or from schingask meaning "boggy meadow", which alludes to how the area floods after a storm.

Geography

According to the United States Census Bureau, the CDP had a total area of 0.498 square miles (1.289 km), including 0.466 square miles (1.207 km) of land and 0.032 square miles (0.082 km) of water (6.34%).

Singac is a neighborhood in the western end of Little Falls. It is bounded to the north by the Passaic River. New Jersey Route 23, known as the Newark-Pompton Turnpike or Pompton Avenue, runs north-south through the community.

Economy

Mountain View Diners Company operated from 1939 to 1957, manufacturing prefabricated diners that were shipped nationwide.

Demographics

Historical population

Census	Pop.	Note	%±
2020	3,602		—
U.S. Decennial Census

The 2010 United States census counted 3,618 people, 1,477 households, and 920 families in the CDP. The population density was 7,763.6 per square mile (2,997.5/km). There were 1,545 housing units at an average density of 3,315.3 per square mile (1,280.0/km). The racial makeup was 88.00% (3,184) White, 1.35% (49) Black or African American, 0.14% (5) Native American, 5.80% (210) Asian, 0.00% (0) Pacific Islander, 2.65% (96) from other races, and 2.05% (74) from two or more races. Hispanic or Latino of any race were 12.82% (464) of the population.

Of the 1,477 households, 25.5% had children under the age of 18; 45.6% were married couples living together; 11.7% had a female householder with no husband present and 37.7% were non-families. Of all households, 31.5% were made up of individuals and 9.9% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 3.16.

19.5% of the population were under the age of 18, 7.7% from 18 to 24, 30.6% from 25 to 44, 27.7% from 45 to 64, and 14.5% who were 65 years of age or older. The median age was 40.1 years. For every 100 females, the population had 94.5 males. For every 100 females ages 18 and older there were 90.5 males.