Zephyrhills is a city in Pasco County, Florida, United States. The population was estimated at 14,381 in the 2014 census. It is a suburb of the Tampa Bay Metropolitan Statistical Area. Zephyrhills is also known as the headquarters of the Zephyrhills bottled water company and is a member of Tree City USA.The community was founded in 1910 by Captain Harold B. Jeffries as Abbot Station. Jeffries planned on making the community a home for Civil War veterans. A Founders Day celebration is held annually in March.DemographicsAs of the census of 2000, there were 10,833 people and 2,986 families residing in the city. The population density was 1,728.2 inhabitants per square mile (667.1/km²). There were 6,167 housing units at an average density of 983.8 per square mile (379.8/km²). The racial makeup of the city was 92.63% White, 2.79% African American, 0.23% Native American, 1.12% Asian, 0.03% Pacific Islander, 1.60% from other races, and 1.61% from two or more races. Hispanic or Latino of any race were 5.03% of the population.