Elfers is a census-designated place (CDP) in Pasco County, Florida, United States. The population was 13,161 at the 2000 census.

Geography
Elfers is located at (28.216072, -82.722735).

According to the United States Census Bureau, the CDP has a total area of 3.5 square miles (9.1 km²), of which, 3.5 square miles (9.1 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.57%) is water.

Demographics
As of the census of 2000, there were 13,161 people, 5,701 households, and 3,563 families residing in the CDP. The population density was 3,749.2 people per square mile (1,447.7/km²)....

Elfers is a census-designated place (CDP) in Pasco County, Florida, United States. The population was 13,161 at the 2000 census.

Geography
Elfers is located at (28.216072, -82.722735).

According to the United States Census Bureau, the CDP has a total area of 3.5 square miles (9.1 km²), of which, 3.5 square miles (9.1 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.57%) is water.

Demographics
As of the census of 2000, there were 13,161 people, 5,701 households, and 3,563 families residing in the CDP. The population density was 3,749.2 people per square mile (1,447.7/km²). There were 6,482 housing units at an average density of 1,846.5/sq mi (713.0/km²). The racial makeup of the CDP was 95.19% White (U.S. Census), 0.96% African American (U.S. Census), 0.38% Native American (U.S. Census), 0.91% Asian (U.S. Census), 0.03% Pacific Islander (U.S. Census), 0.93% from Race (United States Census), and 1.60% from two or more races. Hispanic (U.S. Census) or Latino (U.S. Census) of any race were 4.52% of the population.

There were 5,701 households out of which 23.3% had children under the age of 18 living with them, 47.6% were Marriage living together, 11.1% had a female householder with no husband present, and 37.5% were non-families. 31.4% of all households were made up of individuals and 20.0% had someone living alone who was 65 years of age or older. The average household size was 2.23 and the average family size was 2.77.