As of the census of 2000, there were 11,788 people, 4,259 households, and 2,942 families residing in the city. The population density was 927.8 people per square mile (358.1/km²). There were 4,783 housing units at an average density of 376.5/sq mi (145.3/km²). The racial makeup of the city was 55.82% White, 41.85% African American, 0.21% Native American, 0.74% Asian, 0.03% Pacific Islander, 0.64% from other races, and 0.72% from two or more races. Hispanic or Latino of any race were 1.87% of the population.
There were 4,259 households out of which 32.8% had children under the age of 18 living with them, 42.3% were married couples living together, 23.3% had a female householder with no husband present, and 30.9% were non-families. 26.7% of all households were made up of individuals and 9.9% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.02.
In the city the population was spread out with 25.1% under the age of 18, 15.8% from 18 to 24, 25.3% from 25 to 44, 20.2% from 45 to 64, and 13.6% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 83.2 males. For every 100 females age 18 and over, there were 75.0 males.
The median income for a household in the city was $32,155, and the median income for a family was $39,189. Males had a median income of $26,720 versus $21,310 for females. The per capita income for the city was $16,611. About 15.9% of families and 20.2% of the population were below the poverty line, including 32.9% of those under age 18 and 16.0% of those age 65 or over.
Conway is home to the Conway-Horry County Airport (HYW), a small airport located 3 miles outside of town, along US-378
A large part of Horry County is services by the Coast Regional Transit Authority (RTA), formerly known as the Waccamaw Regional Transit Authority and as Lymo. The primary station and offices are located in downtown Conway, near the historic district.
The Carolina Southern Railroad is a short line railroad which serves parts of North and South Carolina. Conway is located on the railroad's Chadbourn, NC-Myrtle Beach, SC branch. The historical Conway railroad depot is located along this branch, although the depot is now an office building.