Other types of businesses are the standard smaller town types: car dealerships, drug stores, banks, discount stores, and plenty of restaurants. With the change of the liquor laws in the late 1990s, larger chain restaurants started moving in, such as O'Charley's, Ruby Tuesday, Logan's Roadhouse, and Chili's.
There are more residents in Smyrna than jobs, so many of the residents commute to nearby Nashville and Murfreesboro.
According to the United States Census Bureau, the town has a total area of 23.0 square miles (59.5 km²), of which, 22.8 square miles (59.1 km²) of it is land and 0.1 square miles (0.4 km²) of it (0.61%) is water.
There were 9,608 households out of which 39.8% had children under the age of 18 living with them, 55.0% were married couples living together, 14.2% had a female householder with no husband present, and 26.5% were non-families. 21.1% of all households were made up of individuals and 4.3% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.04.
In the town the population was spread out with 27.6% under the age of 18, 10.5% from 18 to 24, 35.1% from 25 to 44, 19.9% from 45 to 64, and 6.8% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 95.9 males. For every 100 females age 18 and over, there were 92.9 males.
The median income for a household in the town was $44,405, and the median income for a family was $51,550. Males had a median income of $37,130 versus $27,325 for females. The per capita income for the town was $19,704. About 6.7% of families and 8.8% of the population were below the poverty line, including 11.4% of those under age 18 and 8.2% of those age 65 or over.