makeup of the county was 71.8% White, 19.1% African American, 0.4% Native American, 1.6% Asian, 0.1% Pacific Islander, 4.5% from other races, and 2.6% from two or more races. Hispanic or Latino of any race were 16.6% of the population. According to the 2015 American Community Survey, 90.7% spoke English, 14.6% Spanish, 5.0% Other Indo-European languages, and 1.2% Asian and Pacific Island languages. According to census of 2000, the largest ancestry groups in St. Lucie County were: English 34%, African 15%, Irish 14%, German 13%, Italian 10%. For every 100 females, there were 95.50 males. For every 100 females age 18 and over, there were 92.80 males. In 2010 there were 108,523 households, out of which 26.30% had children under the age of 18 living with them, 51.0% were married couples living together, 12.9% had a female householder with no husband present, and 30.9% were non-families. 24.2% of all non-family households were made up of individuals living alone, and 11.7% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 2.99. In the county, the population was spread out, with 77.7% 18 years of age and over; 23.2% from 25 to 44, 26.8% from 45 to 64, and 19.9% who were 65 years of age or older. The median age was 42.4 years. According to the 2010 census, the median income for a household in the county was $36,363, and the median income for a family was $41,381. Males had a median income of $30,047 versus $22,684 for females. The per capita income for the county was $18,790. About 9.60% of families and 13.40% of the population were below the poverty line, including 20.50% of those under age 18 and 7.70% of those age 65 or over. Fauna Six bird species in St. Lucie County are listed as "highly vulnerable" to climate change: Red-headed woodpecker Gray kingbird Fish crow Brown thrasher Eastern towhee Boat-tailed grackle Politics According to St. Lucie County Supervisor of Elections website, registered voters as of September 10, 2020, totaled 217,666: Democratic 85,714, Republican 72,554, NPA 56,500, Other 2,898. St. Lucie County has favored the Democratic Party in recent decades, but in 2016 and 2020, it voted for Republican Party candidate Donald Trump. Education Schools in the county are managed by St. Lucie County Public Schools. Florida Atlantic University Harbor Branch Oceanographic Institute