The average household size was 2.21 and the average family size was 2.73. In the city, the population was spread out with 19.1% under the age of 18, 5.7% from 18 to 24, 17.2% from 25 to 44, 34.4% from 45 to 64, and 23.6% who were 65 years of age or older. The median age was 48 years. For every 100 females, there were 109.3 males. For every 100 females age 18 and over, there were 98.4 males. The median income for a household in the city was $31,250, and the median income for a family was $42,813. Males had a median income of $28,333 versus $27,250 for females. The per capita income for the city was $17,896. About 3.5% of families and 9.7% of the population were below the poverty line, including 23.4% of those under the age of eighteen and none of those sixty five or over.