 According to the United States Census Bureau, the CDP had a total area of 0.498 square miles (1.289 km2), including 0.466 square miles (1.207 km2) of land and 0.032 square miles (0.082 km2) of water (6.34%).Singac is a neighborhood in the western end of Little Falls Township.It is bounded to the north by the Passaic River.