Gulf Shores is part of the Daphne–Fairhope–Foley Micropolitan Statistical Area.
As of the census of 2000, there were 5,044 people, 2,344 households, and 1,544 families residing in the city. The population density was 274.3 people per square mile (105.9/km²). There were 6,810 housing units at an average density of 370.4/sq mi (143.0/km²). The racial makeup of the city was 97.54% White, 0.22% Black or African American, 0.44% Native American, 0.30% Asian, 0.04% Pacific Islander, 0.40% from other races, and 1.07% from two or more races. 1.23% of the population were Hispanic or Latino of any race.
There were 2,344 households out of which 20.7% had children under the age of 18 living with them, 56.2% were married couples living together, 7.0% had a female householder with no husband present, and 34.1% were non-families. 26.7% of all households were made up of individuals and 10.0% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.56.
In the city the population was spread out with 16.4% under the age of 18, 6.7% from 18 to 24, 24.8% from 25 to 44, 29.0% from 45 to 64, and 23.1% who were 65 years of age or older. The median age was 46 years. For every 100 females there were 97.3 males. For every 100 females age 18 and over, there were 95.5 males.
The median income for a household in the city was $41,826, and the median income for a family was $51,862. Males had a median income of $40,259 versus $22,467 for females. The per capita income for the city was $24,356. About 6.8% of families and 9.9% of the population were below the poverty line, including 6.4% of those under age 18 and 6.5% of those age 65 or over.