| Official Name: | Sudbury, Vermont |
| Settlement Type: | Town |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Vermont |
| Subdivision Type2: | County |
| Subdivision Name2: | Rutland |
| Unit Pref: | Imperial |
| Area Total Km2: | 57.5 |
| Area Land Km2: | 55.7 |
| Area Water Km2: | 1.8 |
| Area Total Sq Mi: | 22.2 |
| Area Land Sq Mi: | 21.5 |
| Area Water Sq Mi: | 0.7 |
| Population As Of: | 2020 |
| Population Total: | 545 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Elevation M: | 237 |
| Elevation Ft: | 778[1] |
| Coordinates: | 43.7814°N -73.1878°W |
| Postal Code Type: | ZIP Code |
| Postal Code: | 05733 |
| Area Code: | 802 |
| Blank Name: | FIPS code |
| Blank Info: | 50-71050[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1462222[3] |
Sudbury is a town in Rutland County, Vermont, United States. The population was 545 at the 2020 census.[4]
According to the United States Census Bureau, the town has a total area of, of which is land and, or 3.15%, is water.
As of the census of 2000, there were 583 people, 237 households, and 159 families residing in the town. The population density was 27.1 people per square mile (10.5/km2). There were 373 housing units at an average density of 17.4 per square mile (6.7/km2). The racial makeup of the town was 99.14% White, 0.34% African American, 0.17% Native American, 0.17% Pacific Islander, and 0.17% from two or more races. Hispanic or Latino of any race were 0.69% of the population.
There were 237 households, out of which 26.2% had children under the age of 18 living with them, 57.4% were married couples living together, 8.0% had a female householder with no husband present, and 32.9% were non-families. 24.9% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.96.
In the town, the population was spread out, with 22.8% under the age of 18, 5.8% from 18 to 24, 27.8% from 25 to 44, 31.0% from 45 to 64, and 12.5% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 96.3 males. For every 100 females age 18 and over, there were 94.0 males.
The median income for a household in the town was $38,958, and the median income for a family was $47,083. Males had a median income of $33,333 versus $28,558 for females. The per capita income for the town was $18,994. About 3.2% of families and 7.7% of the population were below the poverty line, including 3.0% of those under age 18 and 12.1% of those age 65 or over.