A post office called Denton has been in operation since 1888. The town was established at its present site when the railroad was extended to that point.
As of the census of 2010, there were 255 people, 120 households, and 64 families living in the town. The population density was. There were 156 housing units at an average density of. The racial makeup of the town was 99.2% White and 0.8% from two or more races. Hispanic or Latino of any race were 2.0% of the population. There were 120 households, of which 23.3% had children under the age of 18 living with them, 45.0% were married couplesliving together, 4.2% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 46.7% were non-families. 42.5% of all households were made up of individuals, and 21.7% had someone living alone who was 65 years of age or older. The average household size was 2.13 and the average family size was 2.92. The median age in the town was 44.8 years. 22.7% of residents were under the age of 18; 5.6% were between the ages of 18 and 24; 22% were from 25 to 44; 22.7% were from 45 to 64; and 27.1% were 65 years of age or older. The gender makeup of the town was 51.8% male and 48.2% female.
2000 census
As of the census of 2000, there were 301 people, 133 households, and 82 families living in the town. The population density was 395.4 people per square mile. There were 158 housing units at an average density of 207.6 per square mile. The racial makeup of the town was 99.34% White, and 0.66% from two or more races. Hispanic or Latino of any race were 1.00% of the population. There were 133 households, out of which 24.8% had children under the age of 18 living with them, 56.4% were married couples living together, 4.5% had a female householder with no husband present, and 37.6% were non-families. 34.6% of all households were made up of individuals, and 15.0% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.96. In the town, the population was spread out, with 24.6% under the age of 18, 7.3% from 18 to 24, 21.6% from 25 to 44, 24.3% from 45 to 64, and 22.3% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 109.0 males. For every 100 females age 18 and over, there were 100.9 males. The median income for a household in the town was $28,393, and the median income for a family was $32,232. Males had a median income of $23,125 versus $16,528 for females. The per capita income for the town was $14,982. About 5.9% of families and 8.5% of the population were below the poverty line, including 4.9% of those under the age of eighteen and 2.4% of those 65 or over.