Fort Peck is a town in Valley County, Montana, United States. The population was 233 at the 2010 census.
Fort Peck is located at 48°0′28″N 106°27′1″W / 48.00778°N 106.45028°W / 48.00778; -106.45028 (48.007858, -106.450327).
According to the United States Census Bureau, the town has a total area of 0.86 square miles (2.23 km), all of it land.
As of the census of 2010, there were 233 people, 99 households, and 73 families residing in the town. The population density was 270.9 inhabitants per square mile (104.6/km). There were 110 housing units at an average density of 127.9 per square mile (49.4/km). The racial makeup of the town was 93.6% White, 3.0% Native American, 0.4% Asian, and 3.0% from two or more races.
There were 99 households of which 22.2% had children under the age of 18 living with them, 68.7% were married couples living together, 2.0% had a female householder with no husband present, 3.0% had a male householder with no wife present, and 26.3% were non-families. 21.2% of all households were made up of individuals and 9.1% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.74.
The median age in the town was 48.9 years. 18% of residents were under the age of 18; 4.4% were between the ages of 18 and 24; 19.4% were from 25 to 44; 39.9% were from 45 to 64; and 18.5% were 65 years of age or older. The gender makeup of the town was 52.8% male and 47.2% female.
As of the census of 2000, there were 240 people, 91 households, and 75 families residing in the town. The population density was 274.9 people per square mile (106.5/km²). There were 99 housing units at an average density of 113.4 per square mile (43.9/km²). The racial makeup of the town was 96.25% White, 2.08% Native American, and 1.67% from two or more races.
There were 91 households out of which 38.5% had children under the age of 18 living with them, 73.6% were married couples living together, 5.5% had a female householder with no husband present, and 16.5% were non-families. 14.3% of all households were made up of individuals and 7.7% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 2.89.
In the town, the population was spread out with 28.8% under the age of 18, 2.9% from 18 to 24, 21.7% from 25 to 44, 32.9% from 45 to 64, and 13.8% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 92.0 males. For every 100 females age 18 and over, there were 87.9 males.
The median income for a household in the town was $47,083, and the median income for a family was $50,938. Males had a median income of $32,500 versus $33,750 for females. The per capita income for the town was $17,943. None of the families and 0.8% of the population were living below the poverty line, including no under eighteens and 6.9% of those over 64.