Statistic Williamston South Carolina National
Population 4,366 5,275,357 336,919,644
Population density (sq mi) 1,184 175 91
Median age 43.3 38.8 37.7
Male/Female ratio 0.9:1 0.9:1 1.0:1
Married (15yrs & older) 51% 56% 55%
Families w/ Kids under 18 38% 40% 43%
Speak English 99% 93% 79%
Speak Spanish 1% 4% 13%
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Overview of Williamston Demographics

The demographics of Williamston offer invaluable insights into the composition, dynamics and needs of both urban and rural areas, empowering planners, developers and policymakers to foster prosperity, equity, and well-being for all residents. With a population of 4,366, Williamston exhibits a population density of 1,184 people per square mile, contrasting with the national average of 91. The median age stands at 43.3, with 51% of individuals aged 15 or older being married and 38% having children under 18. In terms of income equality in Williamston, 22% of households report a median income below $25,000, while 7% report an income exceeding $150,000, showcasing a diverse economic landscape.

Williamston Racial Demographics & Ethnicity

The 5 largest ethnic groups in Williamston are 81.9% White, 11.6% Black or African American, 0% Asian, 0% American Indian and 0% Native Hawaiian, with 0% of the population identifying as Hispanic or Latino. Of note, 98.9% of households reported speaking English only, while 1.1% reported speaking Spanish only. Additionally, 0.3% of residents were classified as foreign-born. The Williamston racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.

Williamston Population Density

Communities such as Williamston, with population densities higher than the average, play a significant role in promoting environmental sustainability by decreasing per capita energy consumption, greenhouse gas emissions and land use. Their compact urban development encourages the adoption of energy-efficient buildings, walking, cycling, and public transportation, fostering sustainable lifestyles and minimizing environmental impact. Additionally, densely populated areas tend to cultivate vibrant social and cultural scenes, fueled by a diverse population that contributes to a myriad of cultural events, festivals and community activities. This cultural diversity sparks creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. Williamston has a population density of 1,184, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.

Why are Demographics Important?

Urban Development: Utilizing Williamston demographic statistics and data, urban planners can craft and develop areas that cater to local residents, encompassing housing, transportation and public services, all while emphasizing sustainability and enriching quality of life. Demographic transitions can contribute to gentrification and neighborhood evolution, whether in urban or rural environments. As neighborhoods draw in new residents with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing longtime inhabitants and reshaping the neighborhood's fabric. Comprehensive insights into population density, age distribution, household size, and income levels are instrumental in guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Harnessing Williamston demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

Policy Planning: Demographic data and statistics serve as valuable tools for guiding policy and decision-making processes across government entities, organizations, and businesses. Through the analysis and interpretation of Williamston demographics, policymakers, government officials and organizational leaders can identify areas requiring attention, allocate resources strategically and develop policies and initiatives that cater to the unique needs and preferences of various demographic groups. Williamston demographic statistics can play a critical role in policy planning by informing resource allocation, enabling evidence-based decision-making, identifying priority areas, forecasting future trends, monitoring policy outcomes and fostering equity and inclusivity. By harnessing this data effectively, policymakers can craft policies that are targeted, efficient and equitable, thereby addressing the diverse needs of communities.

Healthcare Planning: The examination of Williamston demographics can potentially inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. By comprehending demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs, and address health inequities within communities. Through the utilization of demographic statistics, healthcare providers and policymakers aim to achieve equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and tailored healthcare services to meet the diverse needs of populations.

Demographics Quick Facts

  • The population density in Williamston is 575% higher than South Carolina
  • The median age in Williamston is 12% higher than South Carolina
  • In Williamston 81.94% of the population is White
  • In Williamston 11.61% of the population is Black
  • In Williamston 0.00% of the population is Asian

Compare Williamston, SC Demographics

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      Williamston racial demographics

      Race Williamston South Carolina National
      White 81.94% 67.27% 73.35%
      Black 11.61% 27.35% 12.63%
      Asian 0.00% 1.42% 5.22%
      American Indian 0.02% 0.32% 0.82%
      Native Hawaiian 0.00% 0.06% 0.18%
      Mixed race 3.53% 2.07% 3.06%
      Other race 2.89% 1.51% 4.75%
      In Williamston, 0.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Williamston age breakdown

      Marital status

      Age of children in married couples

      Source: The Williamston, SC demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.