In 1803, after three unproductive years in nearby Canaan Valley, German settler Henry Fansler settled at the mouth of the Blackwater River at the present site of Hendricks. He called the settlement "Eden". Hendricks was incorporated in 1894 and was named by local coal and timber magnateHenry Gassaway Davis for Vice President Thomas A. Hendricks.
At the 2010 census there were 272 people, 112 households, and 89 families living in the town. The population density was. There were 145 housing units at an average density of. The racial makeup of the town was 100.0% White. Of the 112 households 29.5% had children under the age of 18 living with them, 68.8% were married couplesliving together, 4.5% had a female householder with no husband present, 6.3% had a male householder with no wife present, and 20.5% were non-families. 17.9% of households were one person and 11.7% were one person aged 65 or older. The average household size was 2.43 and the average family size was 2.72. The median age in the town was 44.5 years. 18.4% of residents were under the age of 18; 7.7% were between the ages of 18 and 24; 24.6% were from 25 to 44; 30.9% were from 45 to 64; and 18.4% were 65 or older. The gender makeup of the town was 48.9% male and 51.1% female.
At the 2000 census there were 319 people, 123 households, and 100 families living in the town. The population density was 925.9 inhabitants per square mile. There were 138 housing units at an average density of 400.5 per square mile. The racial makeup of the town was 99.06% White, 0.31% Native American, 0.31% from other races, and 0.31% from two or more races. Hispanic or Latino of any race were 0.31%. Of the 123 households 34.1% had children under the age of 18 living with them, 71.5% were married couples living together, 7.3% had a female householder with no husband present, and 17.9% were non-families. 17.9% of households were one person and 11.4% were one person aged 65 or older. The average household size was 2.59 and the average family size was 2.85. The age distribution was 23.8% under the age of 18, 9.7% from 18 to 24, 20.7% from 25 to 44, 29.5% from 45 to 64, and 16.3% 65 or older. The median age was 42 years. For every 100 females, there were 100.6 males. For every 100 females age 18 and over, there were 102.5 males. The median household income was $26,705 and the median family income was $27,500. Males had a median income of $26,042 versus $17,500 for females. The per capita income for the town was $21,315. About 25.5% of families and 23.3% of the population were below the poverty line, including 33.3% of those under age 18 and 21.3% of those age 65 or over.
