Polk Broadband Plan | Page 34

Existing Conditions As of the 2010 Census, 18.0 percent of Polk County’s population was over age 65 and 26.3 percent was under age 20. Measured in these categories, Polk County has a proportionally larger senior population when compared to Florida and the United States, and a proportionally larger youth population than Florida (see Figure 8). 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Polk County 65+ Florida United States 20 to 65 Under 20 Figure 8. Age Groups, 2010 Data source: U.S. Census Bureau According to the Census Bureau’s 2011 five-year American Community Survey estimates, 17.9 percent of Polk County’s population age 25 and older lacks a high school diploma, and 18.0 percent have a bachelor’s degree or higher degree (see Figure 9). Compared to the United States and Florida, Polk County has a larger proportion of adults lacking a high school diploma and a smaller proportion holding a tertiary degree. Polk County 17.9% 64.1% 18.0% Florida 14.5% 59.5% 26.0% United 14.6% States 57.2% 28.2% 0% No high school diploma 20% 40% 60% High school graduate or associate's degree only 80% 100% Bachelor's degree or higher Figure 9. Educational Attainment for Persons Aged 25 and Older, 2011 Data source: U.S. Census Bureau 32