Motley was laid out in 1874. A post office has been in operation at Motley since 1873. In 1881, the Northern Pacific Railway built a 20’ x 40’ passenger station on the east side of 2nd Street and built a 24’ x 60’ freight depot on the west side of 2nd Street. A spur line ran south from the mainline along 4th Avenue to a planing mill that was located on the bank of the Long Prairie River. The spur line was removed by 1920.
As of the census of 2010, there were 671 people, 305 households, and 167 families living in the city. The population density was. There were 338 housing units at an average density of. The racial makeup of the city was 94.5% White, 0.1% African American, 0.4% Native American, 1.6% from other races, and 3.3% from two or more races. Hispanic or Latino of any race were 4.3% of the population. There were 305 households of which 26.9% had children under the age of 18 living with them, 36.7% were married couplesliving together, 14.8% had a female householder with no husband present, 3.3% had a male householder with no wife present, and 45.2% were non-families. 38.7% of all households were made up of individuals and 17.1% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.90. The median age in the city was 41.1 years. 23.5% of residents were under the age of 18; 10.1% were between the ages of 18 and 24; 19.7% were from 25 to 44; 25.1% were from 45 to 64; and 21.6% were 65 years of age or older. The gender makeup of the city was 48.6% male and 51.4% female.
2000 census
As of the census of 2000, there were 585 people, 258 households, and 167 families living in the city. The population density was 442.7 people per square mile. There were 270 housing units at an average density of 204.3 per square mile. The racial makeup of the city was 97.95% White, 0.17% African American, 0.17% Native American, 0.34% Asian, 0.17% from other races, and 1.20% from two or more races. Hispanic or Latino of any race were 2.05% of the population. There were 258 households out of which 31.8% had children under the age of 18 living with them, 40.7% were married couples living together, 19.0% had a female householder with no husband present, and 34.9% were non-families. 31.0% of all households were made up of individuals and 16.3% had someone living alone who was 65 years of age or older. The average household size was 2.25 and the average family size was 2.73. In the city, the population was spread out with 27.7% under the age of 18, 10.8% from 18 to 24, 24.8% from 25 to 44, 18.6% from 45 to 64, and 18.1% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 82.2 males. For every 100 females age 18 and over, there were 75.5 males. The median income for a household in the city was $23,438, and the median income for a family was $29,659. Males had a median income of $24,063 versus $18,824 for females. The per capita income for the city was $12,220. About 19.2% of families and 18.9% of the population were below the poverty line, including 31.9% of those under age 18 and 17.1% of those age 65 or over.
Government
The current Mayor of Motley is Nancy Nieken. The current City Council members include Duane Solga, Robert Sampson, Bruce Mills and Steve Johnson.