Pompano Beach was settled about 1900, and incorporated as a town in 1907. It saw some growth during the Florida land boom of the 1920s. In 1950 the population was 5,682 people. Like most of south east Florida, Pompano Beach experienced great growth in the late 20th century with many people moving there from northern parts of the United States. A substantial seasonal population also spends there winters there.
According to the United States Census Bureau, the city has a total area of 57.4 km² (22.1 mi²). 53.2 km² (20.5 mi²) of it is land and 4.1 km² (1.6 mi²) of it is water. The total area is 7.22% water.
As of the census of 2000, there are 78,191 people, 35,197 households, and 18,443 families residing in the city. The population density is 1,469.1/km² (3,804.4/mi²). There are 44,496 housing units at an average density of 836.0/km² (2,165.0/mi²). The racial makeup of the city is 67.77% White, 25.45% African American, 0.24% Native American, 0.81% Asian, 0.03% Pacific Islander, 2.05% from other races, and 3.66% from two or more races. 9.94% of the population are Hispanic or Latino of any race.
There are 35,197 households out of which 17.4% have children under the age of 18 living with them, 37.4% are married couples living together, 10.9% have a female householder with no husband present, and 47.6% are non-families. 38.6% of all households are made up of individuals and 17.1% have someone living alone who is 65 years of age or older. The average household size is 2.13 and the average family size is 2.85.
In the city the population is spread out with 17.7% under the age of 18, 7.4% from 18 to 24, 29.1% from 25 to 44, 22.5% from 45 to 64, and 23.4% who are 65 years of age or older. The median age is 42 years. For every 100 females there are 97.3 males. For every 100 females age 18 and over, there are 96.2 males.
The median income for a household in the city is $36,073, and the median income for a family is $44,195. Males have a median income of $31,162 versus $26,870 for females. The per capita income for the city is $23,938. 17.0% of the population and 13.1% of families are below the poverty line. Out of the total people living in poverty, 30.1% are under the age of 18 and 9.4% are 65 or older.