Blue Bell was originally known as Pigeontown, Pennsylvania, after the large flocks of the now-extinct passenger pigeons that once gathered there. The town was renamed in 1840 after the historically prominent Blue Bell Inn.
Blue Bell is known for its large executive-style homes, major business parks, small community shopping facilities, and small businesses. In July 2005, Money magazine ranked Blue Bell 14th on its list of the "100 Best Places to Live in the United States".
While the CDP of Blue Bell proper consists of an area roughly centered upon the namesake Inn , in recent years the name "Blue Bell" has become informally synonymous with the larger surrounding area within the 19422 area code, including the communities of Center Square and Belfry.
There were 1,434 households of which 32.0% had children under the age of 18 living with them, 68.2% were married couples living together, 5.7% had a female householder with no husband present, and 24.9% were non-families. 20.8% of all households were made up of individuals and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.03. 25 to 44, 29.5% from 45 to 64, and 17.0% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 94.0 males. For every 100 females age 18 and over, there were 90.2 males.
The median income for a household in the CDP was $94,160, and the median income for a family was $106,617. Males had a median income of $75,462 versus $50,481 for females. The per capita income for the CDP was $43,813. About 1.8% of families and 2.8% of the population were below the poverty line, including 2.1% of those under age 18 and 1.5% of those age 65 or over.
For the population which consists of peoples 25 years and older; 95.6% of residents have a high school diploma or higher, 61.7% has their bachelor's degree or higher, and 23.5% has their graduate or professional degree.
The most common industries for men in Blue Bell include: Professional, scientific, and technical services (18%), finance and insurance (10%), health care (7%), real estate and rental and leasing (6%), construction (5%), chemicals (5%), and educational services (4%). The most common industries for women in Blue Bell include: Professional, scientific and technical services (11%), educational services (11%), finance and insurance (7%), chemicals (5%), real estate and rental and leasing (4%), and accommodation and food services (3%).