Barrett is a city in Grant County, Minnesota, United States. The population was 415 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 2.11 square miles (5.46 km), of which 2.09 square miles (5.41 km) is land and 0.02 square miles (0.05 km) is water.
The town of Barrett wraps around the southwest side of Barrett Lake, which is formed by the Pomme de Terre River.
As of the census of 2010, there were 415 people, 161 households, and 89 families residing in the city. The population density was 198.6 inhabitants per square mile (76.7/km). There were 195 housing units at an average density of 93.3 per square mile (36.0/km). The racial makeup of the city was 100.0% White. Hispanic or Latino of any race were 0.5% of the population.
There were 161 households of which 29.8% had children under the age of 18 living with them, 40.4% were married couples living together, 8.1% had a female householder with no husband present, 6.8% had a male householder with no wife present, and 44.7% were non-families. 39.8% of all households were made up of individuals and 23% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 3.01.
The median age in the city was 40.5 years. 24.3% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 21.9% were from 25 to 44; 18.6% were from 45 to 64; and 29.2% were 65 years of age or older. The gender makeup of the city was 49.6% male and 50.4% female.
As of the census of 2000, there were 355 people, 142 households, and 81 families residing in the city. The population density was 172.2 people per square mile (66.5/km²). There were 163 housing units at an average density of 79.1 per square mile (30.6/km²). The racial makeup of the city was 98.87% White, 0.56% Native American, and 0.56% from two or more races.
There were 142 households out of which 20.4% had children under the age of 18 living with them, 43.0% were married couples living together, 9.9% had a female householder with no husband present, and 42.3% were non-families. 38.0% of all households were made up of individuals and 21.1% had someone living alone who was 65 years of age or older. The average household size was 2.05 and the average family size was 2.63.
In the city, the population was spread out with 15.5% under the age of 18, 7.0% from 18 to 24, 19.4% from 25 to 44, 19.7% from 45 to 64, and 38.3% who were 65 years of age or older. The median age was 54 years. For every 100 females, there were 82.1 males. For every 100 females age 18 and over, there were 71.4 males.
The median income for a household in the city was $28,750, and the median income for a family was $37,813. Males had a median income of $27,500 versus $16,250 for females. The per capita income for the city was $13,954. About 6.8% of families and 8.8% of the population were below the poverty line, including 5.9% of those under age 18 and 12.9% of those age 65 or over.