Editing Underhill, Vermont (section)

==Demographics==
{{update|section|date=June 2021}}
{{US Census population
|1790= 65
|1800= 212
|1810= 490
|1820= 633
|1830= 1052
|1840= 1441
|1850= 1599
|1860= 1637
|1870= 1655
|1880= 1439
|1890= 1301
|1900= 1140
|1910= 1004
|1920= 896
|1930= 781
|1940= 760
|1950= 698
|1960= 730
|1970= 1198
|1980= 2172
|1990= 2799
|2000= 2980
|2010= 3016
|2020= 3129
|align-fn=center
|footnote=U.S. Decennial Census<ref>{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=U.S. Decennial Census|publisher=United States Census Bureau|access-date=May 16, 2015}}</ref>
}}
As of the [https://data.census.gov/profile/Underhill_town,_Chittenden_County,_Vermont?g=060XX00US5000773975 census] of 2020, there were 3,129 people and 1,285 households residing in the town. The population density was 60.9 people per square mile (23.5/km<sup>2</sup>). There were 1,283 housing units at an average density of 25.0 per square mile (9.6/km<sup>2</sup>). The racial makeup of the town was 98.05% [[White (U.S. Census)|White]], 0.44% [[African American (U.S. Census)|African American]], 0.13% [[Native American (U.S. Census)|Native American]], 0.75% [[Asian (U.S. Census)|Asian]], 0.64% from [[Race (United States Census)|other races]], and 0.60% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 0.70% of the population.

There were 1,285 households, out of which 65.1% had married couples living together, 13.8% had a male householder with no spouse present, and 15.% had a female householder with no spouse present. Of all households, 12.5% were made up of individuals, and 2.0% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.89.

In the town, the age distribution of the population shows 24.3% under the age of 18, 22.2% from 19 to 34, 38.7% from 35 to 64, and 20.4% who were 65 years of age or older. The median age was 45.7 years. For every 100 females, there were 91.7 males. For every 100 females age 18 and over, there were 100.0 males.

The median household income was $87,227, the median income for a family was $92,484, and the median income for a non-family household was $55,357. The [[per capita income]] for the town was $45,021. About 2.8% of families and 8.7% of the population were below the [[poverty line]], including 13.0% of those under age 18 and 3.4% of those age 65 or over.