| Statistic | New Plymouth | Idaho | National |
| Population | 1,693 | 1,848,209 | 336,919,644 |
| Population density (sq mi) | 2,462 | 22 | 91 |
| Median age | 32.7 | 35.7 | 37.7 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 69% | 60% | 55% |
| Families w/ Kids under 18 | 64% | 45% | 43% |
| Speak English | 90% | 89% | 79% |
| Speak Spanish | 8% | 8% | 13% |

The demographics of New Plymouth 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 1,693, New Plymouth exhibits a population density of 2,462 people per square mile, contrasting with the national average of 91. The median age stands at 32.7, with 69% of individuals aged 15 or older being married and 64% having children under 18. In terms of income equality in New Plymouth, 11% of households report a median income below $25,000, while 3% report an income exceeding $150,000, showcasing a diverse economic landscape.
The New Plymouth racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in New Plymouth is 83.2% White, 0% Black or African American, 2.1% Asian, 0% American Indian and 0% Native Hawaiian - 24.9% of the population identify as Hispanic or Latino. Of all households, 90% reported speaking English only, while 7.7% reported speaking Spanish only. A total of 5.8% of residents were considered foreign born.
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 New Plymouth population density is 2,462 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.
A family-friendly city like New Plymouth can place a strong emphasis on the well-being and requirements of families, establishing an atmosphere where children flourish, parents receive ample support and families collectively enjoy a superior quality of life. These cities are renowned for nurturing a tight-knit community, where neighbors actively support and watch out for each other. Additionally, they often feature outstanding educational opportunities, including top-tier schools, well-equipped libraries and diverse extracurricular activities. Access to quality education is indispensable for the holistic development and future achievements of children. By prioritizing the welfare of its inhabitants, such cities evolve into dynamic and resilient communities where families can genuinely thrive. In New Plymouth, 64% of families have children under the age of 18, and 69% of residents aged over 15 are married. These demographic characteristics position this locality to fully reap the rewards of being a family-friendly area.
Education Allocation: New Plymouth 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, New Plymouth demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.
Urban Development: Urban planners can leverage demographics data in New Plymouth 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 New Plymouth demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
Healthcare Planning: Analyzing the demographic data in New Plymouth 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.
| Race | New Plymouth | Idaho | National |
| White | 83.24% | 91.30% | 73.35% |
| Black | 0.00% | 0.64% | 12.63% |
| Asian | 2.07% | 1.32% | 5.22% |
| American Indian | 0.00% | 1.31% | 0.82% |
| Native Hawaiian | 0.00% | 0.12% | 0.18% |
| Mixed race | 10.60% | 2.57% | 3.06% |
| Other race | 4.08% | 2.74% | 4.75% |