Population & Steets in Gilsom City is a neoclassified statistical area in New Hampshire, United States. This table presents a quick snapshot of the population and other statistics for the town. These statistics are based on the most recent available data and are not necessarily representative of the entire town. For example, the T1 census class code does not indicate whether the town is part of an incorporated place.
A town charter for Gilsum was granted by proprietors of New Hampshire in 1752. Benjamin Sumner surveyed the area and established the settlement with relatives from Connecticut. He also became the town's first moderator. The town's population was remarkably diverse. A quarter of the population was under the age of eighteen, and nearly half of all people lived between 18 and 24 years of age. The median age of the population was 41 years, with males outnumbering females by 99.2 to 1.