Statistic Sullivan Indiana National
Population 4,179 6,996,062 336,919,644
Population density (sq mi) 2,228 195 91
Median age 42.4 37.4 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 57% 56% 55%
Families w/ Kids under 18 46% 43% 43%
Speak English 100% 92% 79%
Speak Spanish 0% 5% 13%
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Overview of Sullivan Demographics

The population in Sullivan is 4,179, while the population density is 2,228 people per square mile, contrasting with the national average of 91. The median age stands at 42.4, with 57% of individuals aged 15 or older being married and 46% having children under 18. In terms of household income equality in Sullivan, 55% of households report a median income below $25,000, while 4% report an income exceeding $150,000. The Sullivan demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.

Sullivan Racial Demographics & Ethnicity

Recognizing the racial demographics and ethnicity breakdown of Sullivan is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Sullivan, the racial breakdown comprises 95.6% White, 0% Black or African American, 2.8% Asian, 0% American Indian, and 0% Native Hawaiian, with 0% of the population identifying as Hispanic or Latino. 100% of households reported speaking English only, while 0% reported speaking Spanish only. Furthermore, 1.6% of residents were categorized as foreign-born.

Sullivan Population Density

High population density areas are renowned for their extensive array of amenities and services, easily accessible to residents within walking distance or a short commute. From healthcare facilities and educational institutions to cultural venues, dining establishments, retail shops and public transportation options, these communities offer convenience and enrichment to their inhabitants. The Sullivan population density is 2,228 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.

Why are Demographics Important?

Understanding Populations: Reporting and analyzing the demographic data in Sullivan can allow us to gain insights into the characteristics and composition of populations, including age, gender, race, ethnicity, income, education and other socio-economic factors. This understanding is essential for addressing the diverse needs, preferences and challenges of different demographic groups within communities. Demographics can play a crucial role in understanding populations, informing decision-making processes and promoting equity, inclusion, and well-being for all individuals and communities. Sullivan population data serves as a foundation for addressing social, economic, and environmental challenges and promoting the well-being and resilience of societies.

Policy Planning: Demographic data and statistics can inform policy and decision-making processes at various levels of government, as well as in organizations and businesses. By reporting and analyzing Sullivan demographics data, policymakers, government officials and organizational leaders can identify areas of need, allocate resources effectively and develop targeted policies and programs that address the specific needs and priorities of different demographic groups. Sullivan demographics can play a crucial role in policy planning by informing resource allocation, evidence-based decision making, identifying priorities, forecasting future trends, monitoring policy impact and promoting equity and inclusion. By leveraging this data effectively, policymakers can develop policies that are targeted, effective and responsive to the needs of diverse communities.

Education Allocation: Sullivan demographic data can help guide education planning by identifying student demographics, school enrollment trends and educational needs, helping schools and policymakers allocate resources and develop effective educational programs. It can be an essential tool for identifying disparities in educational access and outcomes among different demographic groups, such as racial and ethnic minorities, socio-economic status, or students with disabilities. By disaggregating data by demographic factors, education planners can identify areas of inequity and develop targeted interventions to improve access, support and outcomes for marginalized students. Overall, Sullivan demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.

Demographics Quick Facts

  • The population density in Sullivan is 1041% higher than Indiana
  • The median age in Sullivan is 13% higher than Indiana
  • In Sullivan 95.56% of the population is White
  • In Sullivan 0.00% of the population is Black
  • In Sullivan 2.82% of the population is Asian

Compare Sullivan, IN Demographics

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      Sullivan racial demographics

      Race Sullivan Indiana National
      White 95.56% 83.99% 73.35%
      Black 0.00% 9.23% 12.63%
      Asian 2.82% 1.98% 5.22%
      American Indian 0.00% 0.24% 0.82%
      Native Hawaiian 0.00% 0.04% 0.18%
      Mixed race 1.62% 2.22% 3.06%
      Other race 0.00% 2.30% 4.75%
      In Sullivan, 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

      Sullivan age breakdown

      Marital status

      Age of children in married couples

      Source: The Sullivan, IN 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.