The average household size was 2.20 and the average family size was 2.91. In the city, the population was spread out with 21.4% under the age of 18, 7.9% from 18 to 24, 25.2% from 25 to 44, 22.4% from 45 to 64, and 23.1% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 88.3 males. For every 100 females age 18 and over, there were 87.8 males. The median income for a household in the city was $26,658, and the median income for a family was $36,648. Males had a median income of $27,337 versus $19,821 for females. The per capita income for the city was $15,636. About 8.4% of families and 11.9% of the population were below the poverty line, including 14.4% of those under age 18 and 15.8% of those age 65 or over. Arma is served by USD 246 Northeast. Prior to school unification, the Arma High School mascot was Bulldogs. The Arma Bulldgos won the Kansas State High School boys class B Track & Field championship in 1952. Arma's V-J Homecoming celebration is believed to be the oldest running V-J Day or World War II celebration in the country. Held annually the second weekend of August, Arma's V-J Homecoming Celebration started in 1946 as a way to honor local veterans returning home from World War II, and has evolved into a family festival. The original V-J Day was August 15, 1945, the day the Victory Over Japan was celebrated by the Allied Nations. On September 2, 1945, the Japanese signed the official surrender document. That Labor Day weekend marked the end of nearly four years of devastation, loss and sacrifice for the nation. More than 300,000 Americans in the armed services died in Europe and the Pacific arenas. The very next year, Arma celebrated its VJ Day in connection with homecoming activities, and the V-J Homecoming Celebration was born. Following World War II, the American Legion in Arma wanted to honor local veterans. The Arma Veterans Memorial was built on the southeast corner of Arma City Park. Constructed shortly after the war, the City of Arma did the construction, maintains and adds new names to the memorial. Names on the plaque represent local veterans who have served the U.S. in any war.