thumb|right|Former water tower in Lyons thumb|right|Railroad tracks in Lyons In the city, the population was spread out, with 24.1% under the age of 18, 5.0% from 18 to 24, 21.1% from 25 to 44, 22.4% from 45 to 64, and 27.4% who were 65 years of age or older. The median age was 45 years. For every 100 females, there were 83.8 males. For every 100 females age 18 and over, there were 78.3 males.
thumb|right|Former water tower in Lyons thumb|right|Railroad tracks in Lyons In the city the population was spread out with 241% under the age of 18 50% from 18 to 24 211% from 25 to 44 224% from 45 to 64 and 274% who were 65 years of age or older The median age was 45 years For every 100 females there were 838 males For every 100 females age 18 and over there were 783 males