[8] but now its 1,077 residents 2025 Aynor is in northwestern Horry County, along U.S. Route 501, which leads 15 miles (24 km) southeast to Conway, the county seat, and northwest 18 miles (29 km) to Marion.

According to the United States Census Bureau, the town has a total area of 1.9 square miles (4.8 km2), all land.

[9] After a railway terminus was added along the railroad from Conway, the town was incorporated in 1913.

The town developed as a center for production of turpentine, tobacco, and cotton as commodity crops.

[9] As of the 2020 United States census, there were 974 people, 298 households, and 232 families residing in the town.

28.5% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older.

[11] In 2013, PTR Industries[12] relocated to the Cool Springs Business Park[13] near Aynor from Bristol, Connecticut after that state passed restrictive gun control legislation.