sentences:  About 18.8% of families and 21.3% of the population were below the poverty line, including 29.5% of those under age 18 and 20.6% of those age 65 or over.As of the census of 2010, there were 32,822 people, 13,243 households, and 8,623 families residing in the city.The population density was 1,334.2 people per square mile (515.3/km²).