As of the census of 2010, there were 832 people, 342 households, and 212 families residing in the city. The population density was. There were 381 housing units at an average density of. The racial makeup of the city was 96.4% White, 0.1% African American, 1.0% Native American, 0.2% from other races, and 2.3% from two or more races. Hispanic or Latino of any race were 3.7% of the population. There were 342 households of which 30.1% had children under the age of 18 living with them, 51.5% were married couplesliving together, 7.3% had a female householder with no husband present, 3.2% had a male householder with no wife present, and 38.0% were non-families. 34.5% of all households were made up of individuals and 19.5% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 3.03. The median age in the city was 42.7 years. 24.3% of residents were under the age of 18; 6.7% were between the ages of 18 and 24; 21.2% were from 25 to 44; 26.2% were from 45 to 64; and 21.5% were 65 years of age or older. The gender makeup of the city was 46.8% male and 53.2% female.
2000 census
As of the census of 2000, there were 797 people, 315 households, and 208 families residing in the city. The population density was 1,410.3 people per square mile. There were 354 housing units at an average density of 626.4 per square mile. The racial makeup of the city was 96.86% White, 0.63% African American, 0.25% Native American, 0.63% from other races, and 1.63% from two or more races. Hispanic or Latino of any race were 3.26% of the population. There were 315 households out of which 28.6% had children under the age of 18 living with them, 54.6% were married couples living together, 8.3% had a female householder with no husband present, and 33.7% were non-families. 31.7% of all households were made up of individuals and 17.5% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 2.94. In the city, the population was spread out with 24.3% under the age of 18, 6.6% from 18 to 24, 23.5% from 25 to 44, 22.1% from 45 to 64, and 23.5% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 90.7 males. For every 100 females age 18 and over, there were 90.2 males. The median income for a household in the city was $38,333, and the median income for a family was $46,339. Males had a median income of $31,750 versus $21,094 for females. The per capita income for the city was $16,245. About 4.7% of families and 4.8% of the population were below the poverty line, including 3.0% of those under age 18 and 8.2% of those age 65 or over.
Education
Alma is served by USD 329 Wabaunsee. USD 329 was formed by school unification that consolidated Alma, Maple Hill, McFarland and Paxico. Wabaunsee High School is located in Alma. The Wabaunsee High School mascot is Wabaunsee Chargers. Alma High School was closed through school unification. The Alma High School mascot was Blue Devils.
Area events
Hot Alma Nights is held on the third Saturday in August.
