As of the census of 2010, there were 4,133 people living in the city.
The population density was 743.6 people per square mile (287.1/km²).
There were 4,274 housing units at an average density of 868.7 per square mile (296.8/km²).
The racial makeup of the city was 97.65% White, 1.06% Hispanic or Latino, 0.56% African American, 0.75% Asian, 0.15% Native American, 0.17% from other races, and 0.73% from two or more races.

There were 1,828 households, of which 20.1% had children under the age of 18 living with them, 62.4% were married couples living together, 6.4% had a female householder with no husband present, and 28.8% were non-families.
20.9% of all households were made up of individuals, and 7.5% had someone living alone who was 65 years of age or older.
The average household size was 2.26 and the average family size was 2.66.

The city population was spread out, with 17.0% under the age of 18, 3.2% from 18 to 24, 23.8% from 25 to 49, 31.8% from 50 to 64, and 22.6% who were 65 years of age or older.
The median age was 47.
For every 100 females, there were 98 males.

The median income for a household in the city was $76,170, and the median income for a family was $88,874.
Males had a median income of $60,640 versus $37,500 for females.
The per capita income for the city was $44,221.
About 1.7% of families and 3.4% of the population were below the poverty line, including 4.3% of those under age 18 and 1.0% of those age 65 or over.
As of the census of 2010, there were 4,133 people living in the city. The population density was 743.6 people per square mile (287.1/km²). There were 4,274 housing units at an average density of 868.7 per square mile (296.8/km²). The racial makeup of the city was 97.65% White, 1.06% Hispanic or Latino, 0.56% African American, 0.75% Asian, 0.15% Native American, 0.17% from other races, and 0.73% from two or more races.
There were 1,828 households, of which 20.1% had children under the age of 18 living with them, 62.4% were married couples living together, 6.4% had a female householder with no husband present, and 28.8% were non-families. 20.9% of all households were made up of individuals, and 7.5% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.66.
The city population was spread out, with 17.0% under the age of 18, 3.2% from 18 to 24, 23.8% from 25 to 49, 31.8% from 50 to 64, and 22.6% who were 65 years of age or older. The median age was 47. For every 100 females, there were 98 males.
The median income for a household in the city was $76,170, and the median income for a family was $88,874. Males had a median income of $60,640 versus $37,500 for females. The per capita income for the city was $44,221. About 1.7% of families and 3.4% of the population were below the poverty line, including 4.3% of those under age 18 and 1.0% of those age 65 or over.
Isle of Palms, South Carolina