Warren is a city in and the county seat of Marshall County, Minnesota, United States. The population was 1,563 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 1.44 square miles (3.73 km), all of it land. The Snake River flows in serpentine fashion through the city (hence its name), and both banks are developed, which has proved problematic as the city attempts flood control. Some major floods in the city’s history occurred in 1896 (twice), 1969, 1974, 1979, 1996 (twice), and 1997.
The streets of the original townsite of Warren are laid out on a grid parallel and perpendicular to the Burlington Northern Santa Fe Railroad. Some newer additions, particularly those south of Bridge Street (Minnesota Highway 1) are laid out on a conventional north-south grid. The BNSF is the dividing line for the street system east and west, and Bridge Street is the dividing line north and south.
U.S. Highway 75 and Minnesota State Highway 1 are two of the main routes in the city.
As of the census of 2010, the city had 1,563 people, 681 households, and 418 families. The population density was 1,085.4 inhabitants per square mile (419.1/km). The 743 housing units were at an average density of 516.0 per square mile (199.2/km). The racial makeup of the city was 97.2% White, 0.4% African American, 0.3% Native American, 0.3% Asian, 1.2% from other races, and 0.5% from two or more races. Hispanic or Latino of any race were 2.6% of the population.
Of the 681 households, 27.8% had children under 18 years, 46.1% were married couples living together, 10.7% had a female householder with no husband present, 4.6% had a male householder with no wife present, and 38.6% were non-families. 35.7% of all households were made up of individuals and 18.5% had someone living alone who was 65 years or older. The average household size was 2.20 and the average family size was 2.82.
The median age in the city was 44.5 years. 23.2% of residents were under the age of 18; 6.3% were between the ages of 18 and 24; 21.2% were from 25 to 44; 25.7% were from 45 to 64; and 23.5% were 65 years of age or older. The gender makeup of the city was 47.5% male and 52.5% female.
As of the 2000 census, 1,678 people, 699 households, and 432 families were in the city. The population density was 1,174.1 people per square mile (453.1/km²). The city had 785 housing units at an average density of 549.3 per square mile (212.0/km²). The racial makeup of the city was 98.27% White, 0.12% African American, 0.24% Native American, 0.06% Asian, 1.01% from other races, and 0.30% from two or more races. Hispanic or Latino of any race were 2.62% of the population.
Of the 699 households, 28.8% had children under 18 years, 49.6% were married couples living together, 9.9% had a female householder with no husband present, and 38.1% were non-families. 35.9% of all households were made up of individuals and 20.6% had someone living alone who was 65 years of age or older. The average household size was 2.24 and the average family size was 2.90.
In the city, the population was spread out with 23.4% under the age of 18, 6.6% from 18 to 24, 24.2% from 25 to 44, 21.1% from 45 to 64, and 24.7% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 88.1 males. For every 100 females age 18 and over, there were 83.0 males.
The median income for a household in the city was $36,250 and the median income for a family was $45,063. Males had a median income of $32,216 versus $20,625 for females. The per capita income for the city was $17,547. About 6.5% of families and 10.2% of the population were below the poverty line, including 11.5% of those under age 18 and 10.6% of those age 65 or over.
The city has three Lutheran churches (two affiliated with the Evangelical Lutheran Church in America and one affiliated with the Lutheran Church–Missouri Synod), a Roman Catholic parish and cemetery, an Evangelical Covenant church, a United Methodist church, and an Assembly of God church, as well as a non-denominational church. In the rural area surrounding the city, there are three small Lutheran churches.