As of the 2020 United States Census, Grayson's population is approximately 4,730 residents, though it serves as a central hub for a much larger unincorporated population in the surrounding Gwinnett County area. The city has experienced steady, deliberate growth over the last three decades, mirroring the broader expansion of the Atlanta metro area.
Grayson boasts a diverse, highly educated, and affluent population. It is a family-centric community, reflected in a high percentage of households with children under the age of 18. The ethnic and racial composition is diverse, closely aligning with Gwinnett County's reputation as one of the most diverse counties in the Southeast. The community features a strong mix of White, African American, Asian, and Hispanic residents. Education levels are high, with a large portion of the adult population holding bachelor's degrees or higher, and the median household income sits significantly above both the state and national averages.
