Hartland is a town in Niagara County, New York, United States.
The population was 4,117 at the 2010 census.
The town is named after Hartland, Vermont, the homeplace of some early settlers.
According to the United States Census Bureau, the town has a total area of 52.4 square miles (136 km), of which, 52.3 square miles (135 km) of it is land and 0.04 square miles (0.10 km) of it (0.08%) is water.
The east town line is the border of Orleans County, New York, partly marked by New York State Route 269. Ridge Road, New York State Route 104 is a major route across the town.
As of the census of 2000, there were 4,165 people, 1,526 households, and 1,167 families residing in the town. The population density was 79.6 people per square mile (30.7/km²). There were 1,583 housing units at an average density of 30.2 per square mile (11.7/km²). The racial makeup of the town was 97.79% White, 0.53% African American, 0.31% Native American, 0.14% Asian, 0.05% Pacific Islander, 0.22% from other races, and 0.96% from two or more races. Hispanic or Latino of any race were 0.72% of the population.
There were 1,526 households out of which 35.5% had children under the age of 18 living with them, 63.8% were married couples living together, 8.3% had a female householder with no husband present, and 23.5% were non-families. 19.0% of all households were made up of individuals and 8.1% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.10.
In the town, the population was spread out with 26.6% under the age of 18, 6.9% from 18 to 24, 29.3% from 25 to 44, 26.1% from 45 to 64, and 11.1% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 101.3 males. For every 100 females age 18 and over, there were 99.0 males.
The median income for a household in the town was $40,281, and the median income for a family was $43,218. Males had a median income of $32,813 versus $21,356 for females. The per capita income for the town was $17,253. About 6.8% of families and 9.3% of the population were below the poverty line, including 10.4% of those under age 18 and 12.5% of those age 65 or over.