As of the census of 2010, there were 3,914 people, 1,416 households, and 1,119 families residing in the city. The population density was 87.1 inhabitants per square mile (33.6/km2). There were 1,464 housing units at an average density of 32.6 per square mile (12.6/km2). The racial makeup of the city was 93.6% White, 0.7% African American, 0.6% Native American, 3.6% Asian, 0.1% Pacific Islander, 0.2% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 1.6% of the population.

There were 1,416 households of which 31.3% had children under the age of 18 living with them, 69.1% were married couples living together, 5.2% had a female householder with no husband present, 4.8% had a male householder with no wife present, and 21.0% were non-families. 15.5% of all households were made up of individuals and 5.9% had someone living alone who was 65 years of age or older. The average household size was 2.76 and the average family size was 3.08.

The median age in the city was 45.3 years. 22.3% of residents were under the age of 18; 7.5% were between the ages of 18 and 24; 19.5% were from 25 to 44; 39.6% were from 45 to 64; and 11.2% were 65 years of age or older. The gender makeup of the city was 51.9% male and 48.1% female.