| Official Name: | Boylston, New York |
| Settlement Type: | Town |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Oswego |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 101.42 |
| Area Land Km2: | 101.37 |
| Area Water Km2: | 0.05 |
| Area Total Sq Mi: | 39.16 |
| Area Land Sq Mi: | 39.14 |
| Area Water Sq Mi: | 0.02 |
| Population As Of: | 2010 |
| Population Total: | 549 |
| Population Density Km2: | 5.40 |
| Population Density Sq Mi: | 13.98 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 368 |
| Elevation Ft: | 1207 |
| Coordinates: | 43.6561°N -75.9789°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 13083 |
| Area Code: | 315 |
| Blank Name: | FIPS code |
| Blank Info: | 36-07674 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0978746 |
| Pop Est As Of: | 2016 |
| Population Est: | 547 |
Boylston is a town in Oswego County, New York, United States. The population was 498 at the 2020 census, down from 549 at the 2010 census. The name is that of the first landowner of the tract that became the town.
The Town of Boylston is located on the northern boundary of the county.
The region was first called "Campania" and was first settled circa 1812. Boylston was created from part of the Town of Orwell in 1828. The population of the town was always small.
According to the United States Census Bureau, the town has a total area of 39.2sqmi, of which 39.1sqmi is land and 0.03% is water.
The northern town line, as well as part of the western town boundary, is the border of Jefferson County.
As of the census[2] of 2000, there were 505 people, 193 households, and 137 families residing in the town. The population density was 12.9 people per square mile (5.0/km2). There were 333 housing units at an average density of 8.5 per square mile (3.3/km2). The racial makeup of the town was 98.02% White, 1.19% from other races, and 0.79% from two or more races. Hispanic or Latino of any race were 2.18% of the population.
There were 193 households, out of which 31.6% had children under the age of 18 living with them, 58.0% were married couples living together, 7.3% had a female householder with no husband present, and 29.0% were non-families. 22.3% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.06.
In the town, the population was spread out, with 26.5% under the age of 18, 5.7% from 18 to 24, 30.5% from 25 to 44, 24.6% from 45 to 64, and 12.7% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 110.4 males. For every 100 females age 18 and over, there were 107.3 males.
The median income for a household in the town was $39,375, and the median income for a family was $44,792. Males had a median income of $32,083 versus $25,625 for females. The per capita income for the town was $17,360. About 6.0% of families and 8.3% of the population were below the poverty line, including 12.8% of those under age 18 and 7.2% of those age 65 or over.