Hanley Falls, Minnesota  Hanley Falls is a city in Yellow Medicine County, Minnesota, United States. The population was 304 at the 2010 census. Hanley Falls was laid out in 1884 when the Minneapolis and St. Louis Railway was extended to that point. The city was named after a railroad official. A post office has been in operation at Hanley Falls since 1887. Hanley Falls was incorporated in 1892. According to the United States Census Bureau, the city has a total area of , all of it land. The Yellow Medicine River flows through the city. Minnesota State Highway 23 serves as a main route in the community. Two railroad lines intersect on the northwest side of town; the question of whether the state of Minnesota could order installation of an interchange track between the two independent railroads led to a 1900 U.S. Supreme Court decision which affirmed that the state could indeed order the establishment of the "Hanley Falls Wye" for the public convenience, despite the railroads' opposition. As of the census of 2010, there were 304 people, 107 households, and 74 families residing in the city. The population density was . There were 120 housing units at an average density of . The racial makeup of the city was 92.8% White, 0.3% African American, 1.3% Native American, 1.3% Pacific Islander, 3.6% from other races, and 0.7% from two or more races. Hispanic or Latino of any race were 28.9% of the population. There were 107 households of which 45.8% had children under the age of 18 living with them, 55.1% were married couples living together, 12.1% had a female householder with no husband present, 1.9% had a male householder with no wife present, and 30.8% were non-families. 27.1% of all households were made up of individuals and 7.5% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.51. The median age in the city was 27.4 years. 36.5% of residents were under the age of 18; 10.5% were between the ages of 18 and 24; 23.7% were from 25 to 44; 21.6% were from 45 to 64; and 7.6% were 65 years of age or older. The gender makeup of the city was 53.0% male and 47.0% female.