Mingo was platted in 1884. It is named from Mingo, Ohio, a city name derived from the historic IroquoianMingo people. The city was originally established as a coal mining community, along with many of its neighboring communities.
As of the census of 2010, there were 302 people, 120 households, and 89 families living in the city. The population density was. There were 134 housing units at an average density of. The racial makeup of the city was 97.7% White, 0.7% African American, and 1.7% from two or more races. Hispanic or Latino of any race were 1.0% of the population. There were 120 households of which 36.7% had children under the age of 18 living with them, 55.0% were married couplesliving together, 15.0% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 25.8% were non-families. 23.3% of all households were made up of individuals and 10% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 2.85. The median age in the city was 36.3 years. 26.8% of residents were under the age of 18; 6.6% were between the ages of 18 and 24; 24.8% were from 25 to 44; 24.7% were from 45 to 64; and 16.9% were 65 years of age or older. The gender makeup of the city was 46.0% male and 54.0% female.
2000 census
As of the census of 2000, there were 269 people, 107 households, and 78 families living in the city. The population density was 544.9 people per square mile. There were 113 housing units at an average density of 228.9 per square mile. The racial makeup of the city was 98.88% White, and 1.12% from two or more races. Hispanic or Latino of any race were 1.86% of the population. There were 107 households out of which 32.7% had children under the age of 18 living with them, 62.6% were married couples living together, 3.7% had a female householder with no husband present, and 26.2% were non-families. 24.3% of all households were made up of individuals and 8.4% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 2.99. In the city, the population was spread out with 24.2% under the age of 18, 10.4% from 18 to 24, 26.0% from 25 to 44, 27.1% from 45 to 64, and 12.3% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 102.3 males. For every 100 females age 18 and over, there were 106.1 males. The median income for a household in the city was $40,341, and the median income for a family was $44,000. Males had a median income of $31,250 versus $20,833 for females. The per capita income for the city was $18,834. About 1.3% of families and 3.9% of the population were below the poverty line, including none of those under the age of eighteen and 10.8% of those sixty five or over.
Education
operates area public schools. The Colfax and Mingo school districts consolidated on July 1, 1985.
