The median age was 36.2 years; 25.8% under the age of 18, 9.3% from 18 to 24, 26.0% from 25 to 44, 24.1% from 45 to 64, and 14.8% who were 65 years of age or older. For every 100 males age 18 and over, there were 120.1 females.
According to the American Community Survey (2009-2013), the median income for a household in the city was 44,297, and the median income for a family was 56,009.
Government, mining, and agriculture are the major sectors of the area's economy. Other historic landmarks include the Old Polk County Courthouse built in 1909 and Bartow High School, formerly Summerlin Institute, the oldest high school in the county.
The current school within the school, Summerlin Academy, is named in honor of the former school name.
In 1999, Connecticut financier Stanford Phelps purchased the former Clear Springs phosphate lands east and south of city limits and announced plans for the largest development project in Polk County history.
Most soils in the Bartow area are sandy; other soils have sandy surface layers and clay subsoils, and the eastern outskirts of town have a clay-rich floodplain through which the Peace River flows.
The more severe storms bring the threat of tornadoes, although Florida tornadoes very rarely reach the size of those elsewhere in the United States.
Of those who identified themselves with one race, the population was 67.6% White, 23.7% African American, 0.3% Native American, 1.1% Asian (0.6% Indian, 0.1% Filipino), 0.1% Native Hawaiian and Other Pacific Islander, and 4.7% from other races; 2.03% were from two or more races.
On average, a tropical system brings hurricane-force winds to the Polk County area less than once every ten years, although the 2004 hurricane season in which three hurricanes hit within 44 days was a case study in the law of averages.
While Florida's vulnerability to hurricanes is well known, hurricanes are not the most common severe weather threat seen in the Polk County area.
-toh) is the county seat of Polk County, Florida, United States.
Founded in 1851 as Fort Blount, the city was renamed in honor of Francis S. Census Bureau 2000 Census, the city had a population of 15,340 and an estimated population of 16,959 in 2009. Route 98 and State Road 60, which provide access to locations throughout Central Florida.