Over time, as Congress added to the National Park System, the variety and diversity of geologic features in parks has come to represent America's geologic heritage. Significant geologic features include fossil resources, cave & karst resources, and much more. Learn more...
Duval County, Florida. Duval County is a county located in the State of Florida. As of the 2010 census, the population was 864,263, with a 2015 estimate at 913,010. Its county seat is Jacksonville, with which the Duval County government has been consolidated since 1968. Duval County was established in 1822, and is named for William Pope Duval, Governor of Florida Territory from 1822 to 1834. Duval County is included in the Jacksonville, FL Metropolitan Statistical Area.
Jacksonville is an area in Jacksonville, Duval County, Florida with a population of 875,378. There are 425,429 male residents living in Jacksonville and 449,950 female residents. The total number of households is 358,344 with 2.43 people per household on average. Total household expenditures in Jacksonville are below the national average. The median age of the current population is 35.30 with 252,570 people being married and 325,893 being single. The employment numbers show that there are 59% white collar employees and 41% blue collar employees in Jacksonville.