Statistic Irmo South Carolina National
Population 12,834 5,275,357 336,919,644
Population density (sq mi) 1,899 175 91
Median age 39.6 38.8 37.7
Male/Female ratio 0.8:1 0.9:1 1.0:1
Married (15yrs & older) 61% 56% 55%
Families w/ Kids under 18 38% 40% 43%
Speak English 95% 93% 79%
Speak Spanish 1% 4% 13%
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Overview of Irmo Demographics

Irmo demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The Irmo population is 12,834 and has a population density of 1,899 people per square mile, compared to the national average of 91. The median age of all residents is 39.6, 61% of people 15 years of age or older are married and 38% have kids under the age of 18. In Irmo, 8% of households have a median income that is below $25,000 and 24% of households report a median income above $150,000.

Irmo Racial Demographics & Ethnicity

Understanding the Irmo racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Irmo, the racial breakdown indicates 66.6% White, 27.8% Black or African American, 3.7% Asian, 0% American Indian and 0% Native Hawaiian, with 2.3% of the population identifying as Hispanic or Latino. Notably, 94.9% of households reported speaking English only, while 1.4% reported speaking Spanish only. Additionally, 2.6% of residents were categorized as foreign-born.

Irmo Population Density

Irmo, characterized by above-average population density, plays a pivotal role in promoting environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Its compact urban development encourages energy-efficient buildings, active transportation modes like walking and cycling and the utilization of public transit, fostering sustainable lifestyles and mitigating environmental impact. Additionally, the area's dense population contributes to a vibrant social and cultural scene, featuring a diverse array of cultural events, festivals and community activities. This cultural diversity fuels creativity, innovation, and cross-cultural exchange, enhancing the community's social fabric. The Irmo population density stands at 1,899, exceeding the national average, at 91 people per square mile, positioning it in a nice position to reap the benefits of densely populated areas.

Why are Demographics Important?

Education Allocation: Irmo 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, Irmo 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 Irmo 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.

Healthcare Planning: Analyzing the demographic data in Irmo has the potential to inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Healthcare providers and policymakers can allocate resources more effectively, develop prevention and intervention programs and address health inequities within communities by understanding demographic trends. Leveraging demographic statistics can enable healthcare providers and policymakers to strive for 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 diverse population needs.

Demographics Quick Facts

  • The population density in Irmo is 982% higher than South Carolina
  • The median age in Irmo is 2% higher than South Carolina
  • In Irmo 66.56% of the population is White
  • In Irmo 27.81% of the population is Black
  • In Irmo 3.65% of the population is Asian

Compare Irmo, SC Demographics

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      Irmo racial demographics

      Race Irmo South Carolina National
      White 66.56% 67.27% 73.35%
      Black 27.81% 27.35% 12.63%
      Asian 3.65% 1.42% 5.22%
      American Indian 0.00% 0.32% 0.82%
      Native Hawaiian 0.00% 0.06% 0.18%
      Mixed race 1.97% 2.07% 3.06%
      Other race 0.00% 1.51% 4.75%
      In Irmo, 2.3% 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

      Irmo age breakdown

      Marital status

      Age of children in married couples

      Source: The Irmo, 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.