Statistic Twin Falls Idaho National
Population 51,144 1,848,209 336,919,644
Population density (sq mi) 2,680 22 91
Median age 33.6 35.7 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 61% 60% 55%
Families w/ Kids under 18 49% 45% 43%
Speak English 84% 89% 79%
Speak Spanish 9% 8% 13%
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Local Insights Report

Overview of Twin Falls Demographics

The population of Twin Falls is 51,144, with a population density of 2,680 people per square mile, diverging from the national average of 91. The median age is 33.6 and 61% of individuals aged 15 or older are married, while 49% have children under 18. As far as income equality in Twin Falls goes, 21% of households have a median income below $25,000, whereas 10% report an income exceeding $150,000. The Twin Falls demographics data can provide indispensable insights into the composition, dynamics and needs of cities, towns or even villages, empowering planners, developers and policymakers to devise strategies that foster prosperity, equity and well-being for all residents.

Twin Falls Racial Demographics & Ethnicity

The Twin Falls racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In Twin Falls, the racial breakdown reveals 88% White, 1.3% Black or African American, 2.9% Asian, 1% American Indian and 0% Native Hawaiian, with 15.1% of the population identifying as Hispanic or Latino. Of all households, 84.1% reported speaking English only, while 9.2% reported speaking Spanish only. Moreover, 10.5% of residents were classified as foreign-born.

Twin Falls Population Density

High population density areas typically offer a diverse array of amenities and services within walking distance or a short commute, enriching residents' quality of life and well-being. Accessible healthcare facilities, educational institutions, cultural venues, restaurants, shopping and public transportation options contribute to the convenience and vibrancy of these communities. The population density of of Twin Falls is 2,680 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the nation.

Why are Demographics Important?

Education Allocation: Education planning benefits significantly from Twin Falls demographic information, which helps identify student demographics, school enrollment trends, and educational needs. This data assists schools and policymakers in allocating resources effectively and devising impactful educational programs. It serves as a vital tool for recognizing disparities in educational access and outcomes among diverse demographic groups, including racial and ethnic minorities, socio-economic status, and students with disabilities. By disaggregating data based on demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to improve access, support, and outcomes for marginalized students. Ultimately, Twin Falls demographic data is essential in education for advancing equity, fostering student success, and cultivating inclusive learning environments tailored to meet the needs of all students.

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 Twin Falls 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.

Urban Development: Urban planners can leverage demographics data in Twin Falls to design and develop areas that cater to residents' needs, spanning housing, transportation, and public services, while prioritizing sustainability and enhancing quality of life. Demographic changes can contribute to gentrification and neighborhood evolution, whether in urban or rural contexts. As neighborhoods attract new residents with diverse income levels and lifestyle preferences, property values may appreciate, potentially displacing longstanding residents and reshaping the neighborhood's identity. Understanding population density, age distribution, household size and income levels is essential for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Incorporating Twin Falls demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.

Demographics Quick Facts

  • The population density in Twin Falls is 11886% higher than Idaho
  • The median age in Twin Falls is 6% lower than Idaho
  • In Twin Falls 87.99% of the population is White
  • In Twin Falls 1.27% of the population is Black
  • In Twin Falls 2.88% of the population is Asian

Compare Twin Falls, ID Demographics

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      Twin Falls racial demographics

      Race Twin Falls Idaho National
      White 87.99% 91.30% 73.35%
      Black 1.27% 0.64% 12.63%
      Asian 2.88% 1.32% 5.22%
      American Indian 1.01% 1.31% 0.82%
      Native Hawaiian 0.02% 0.12% 0.18%
      Mixed race 4.57% 2.57% 3.06%
      Other race 2.27% 2.74% 4.75%
      In Twin Falls, 15.1% 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

      Twin Falls age breakdown

      Marital status

      Age of children in married couples

      Source: The Twin Falls, ID 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.