The population of Jay City, Wisconsin, is a diverse mix of individuals, with a wide range of ages. Twenty-four percent of residents were under the age of 18, while 9.7% of households were headed by women alone. Twenty-four percent were aged 25 to 44, twenty-five to sixty-four, and fourteen percent were over 65 years old. The median age of the population was thirty-five, and males outnumbered females by nine-to-one.