According to the U.S. Census Bureau, the Grantville CDP has an area of 1.95 square miles (5.05 km2), all of it recorded as land.
Climate
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Grantville has a humid subtropical climate, abbreviated "Cfa" on climate maps.[6]
Of the 71 households, 32.4% had children under the age of 18; 43.7% were married couples living together; 23.9% had a female householder with no spouse or partner present. 26.8% of households consisted of individuals and 14.1% had someone living alone who was 65 years of age or older.[8] The average household size was 3.3 and the average family size was 3.8.[12] The percent of those with a bachelor’s degree or higher was estimated to be 18.7% of the population.[13]
23.1% of the population was under the age of 18, 9.9% from 18 to 24, 24.7% from 25 to 44, 17.0% from 45 to 64, and 25.3% who were 65 years of age or older. The median age was 34.3 years. For every 100 females, there were 89.6 males.[8] For every 100 females ages 18 and older, there were 86.7 males.[8]
The 2016-2020 5-year American Community Survey estimates show that the median household income was $71,417 (with a margin of error of +/- $1,835) and the median family income was $72,000 (+/- $11,742).[14] Males had a median income of $42,361 (+/- $40,043).[15]
Economy
Grantville has a fire station, a gas station and a few other local business. It also has a post office with the ZIP Code of 66429.[3]
