Hilton Head & Bluffton Demographics

As of the 2020 U.S. Census, the Town of Hilton Head Island had a population of 38,068 residents, reflecting steady growth over the past decade. The town spans approximately 42 square miles of land area.

While the town encompasses most of Hilton Head Island, a small portion near the mainland access point along William Hilton Parkway remains unincorporated.

Hilton Head Island is known for its mature, established population. The median age is approximately 59 years, making it one of the older and more affluent coastal communities in South Carolina. Roughly one-third of residents are age 65 or older, reflecting the area’s strong appeal as a retirement and second-home destination.

Household characteristics show a mix of full-time residents and seasonal homeowners. The average household size is about 2.2 persons, with a significant percentage of households consisting of individuals or couples without children.

Economically, Hilton Head Island remains a high-income community. The median household income is estimated at approximately $95,000–$100,000, with a per capita income exceeding $60,000. The poverty rate remains relatively low, at approximately 7–8%, compared to national averages.

Hilton Head Island is part of the Hilton Head Island–Bluffton–Beaufort Metropolitan Statistical Area, one of the fastest-growing regions in South Carolina. The metro area now has an estimated population of over 230,000 residents, driven largely by continued growth in Bluffton and surrounding areas.

Bluffton Demographics

Bluffton has experienced explosive growth over the past two decades and continues to be one of the fastest-growing municipalities in South Carolina.

According to the 2020 U.S. Census, Bluffton’s population reached 27,716 residents, more than doubling since 2010. Recent estimates (2023–2024) place the population at over 32,000, reflecting ongoing residential and commercial development.

The town covers approximately 54 square miles and continues to expand, particularly in areas west of the May River and toward Jasper County.

Bluffton has a notably younger and more family-oriented population compared to Hilton Head Island. The median age is approximately 35 years, and many households include children. The average household size is about 2.7 to 2.9 persons, reflecting its appeal to families and working professionals.

The community is also diverse and growing increasingly so. The population includes a mix of White, African American, Hispanic/Latino, and other racial and ethnic groups, with Hispanic/Latino residents making up over 20% of the population in recent estimates.

Economically, Bluffton continues to strengthen as both a residential and employment hub. The median household income is estimated in the $75,000–$85,000 range, with rising home values driven by demand and new construction. The area attracts both primary residents and those relocating from other states.

Bluffton is part of the Hilton Head Island–Bluffton–Beaufort Metropolitan Statistical Area, which continues to see strong population and economic growth. The region benefits from its proximity to Hilton Head Island, Savannah, and major transportation corridors, making it one of the most desirable coastal areas in the Southeast.