Statistic Islip Terrace New York National
Population 5,399 20,171,207 336,919,644
Population density (sq mi) 4,022 428 91
Median age 40.0 38.2 37.7
Male/Female ratio 1.0:1 0.9:1 1.0:1
Married (15yrs & older) 65% 52% 55%
Families w/ Kids under 18 42% 43% 43%
Speak English 88% 70% 79%
Speak Spanish 4% 15% 13%
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Overview of Islip Terrace Demographics

The demographics of Islip Terrace 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 5,399, Islip Terrace exhibits a population density of 4,022 people per square mile, contrasting with the national average of 91. The median age stands at 40, with 65% of individuals aged 15 or older being married and 42% having children under 18. In terms of income equality in Islip Terrace, 2% of households report a median income below $25,000, while 53% report an income exceeding $150,000, showcasing a diverse economic landscape.

Islip Terrace Racial Demographics & Ethnicity

The 5 largest ethnic groups in Islip Terrace are 90.9% White, 0.8% Black or African American, 3.4% Asian, 0% American Indian and 0% Native Hawaiian, with 13.9% of the population identifying as Hispanic or Latino. Of note, 87.9% of households reported speaking English only, while 3.8% reported speaking Spanish only. Additionally, 10.2% of residents were classified as foreign-born. The Islip Terrace racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.

Islip Terrace 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 Islip Terrace population density is 4,022 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?

Education Allocation: Islip Terrace 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, Islip Terrace demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.

Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Islip Terrace demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.

Policy Planning: Demographic data and statistics serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in Islip Terrace is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.

Demographics Quick Facts

  • The population density in Islip Terrace is 840% higher than New York
  • The median age in Islip Terrace is 5% higher than New York
  • In Islip Terrace 90.90% of the population is White
  • In Islip Terrace 0.80% of the population is Black
  • In Islip Terrace 3.38% of the population is Asian

Compare Islip Terrace, NY Demographics

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      Islip Terrace racial demographics

      Race Islip Terrace New York National
      White 90.90% 64.31% 73.35%
      Black 0.80% 15.60% 12.63%
      Asian 3.38% 8.12% 5.22%
      American Indian 0.00% 0.38% 0.82%
      Native Hawaiian 0.00% 0.04% 0.18%
      Mixed race 2.31% 2.93% 3.06%
      Other race 2.61% 8.62% 4.75%
      In Islip Terrace, 13.9% 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

      Islip Terrace age breakdown

      Marital status

      Age of children in married couples

      Source: The Islip Terrace, NY 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.