| Statistic | Nashua | New Hampshire | National |
| Population | 91,471 | 1,399,282 | 336,919,644 |
| Population density (sq mi) | 2,968 | 156 | 91 |
| Median age | 39.5 | 42.4 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 53% | 58% | 55% |
| Families w/ Kids under 18 | 41% | 40% | 43% |
| Speak English | 78% | 92% | 79% |
| Speak Spanish | 10% | 2% | 13% |

The population of Nashua is 91,471, with a population density of 2,968 people per square mile, diverging from the national average of 91. The median age is 39.5 and 53% of individuals aged 15 or older are married, while 41% have children under 18. As far as income equality in Nashua goes, 14% of households have a median income below $25,000, whereas 25% report an income exceeding $150,000. The Nashua 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.
The Nashua 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 Nashua is 81.7% White, 3.5% Black or African American, 7.6% Asian, 0.1% American Indian and 0% Native Hawaiian - 12.5% of the population identify as Hispanic or Latino. Of all households, 77.5% reported speaking English only, while 9.5% reported speaking Spanish only. A total of 16% of residents were considered foreign born.
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 Nashua is 2,968 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the nation.
Understanding Populations: The examination and analysis of Nashua demographic data can offer valuable insights into the composition and traits of populations, including age, gender, race, ethnicity, income, education and various socio-economic factors. This understanding is essential for addressing the varied needs, preferences, and challenges faced by different demographic groups within communities. Demographics hold significant importance in understanding populations, guiding decision-making processes and promoting equity, inclusion, and overall well-being for all individuals and communities. The Nashua population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and resilience of societies.
Healthcare Planning: Analyzing the demographic data in Nashua 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.
Policy Planning: Demographic data and statistics serve as valuable tools for guiding policy and decision-making processes across government entities, organizations, and businesses. Through the analysis and interpretation of Nashua demographics, policymakers, government officials and organizational leaders can identify areas requiring attention, allocate resources strategically and develop policies and initiatives that cater to the unique needs and preferences of various demographic groups. Nashua demographic statistics can play a critical role in policy planning by informing resource allocation, enabling evidence-based decision-making, identifying priority areas, forecasting future trends, monitoring policy outcomes and fostering equity and inclusivity. By harnessing this data effectively, policymakers can craft policies that are targeted, efficient and equitable, thereby addressing the diverse needs of communities.

Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Race | Nashua | New Hampshire | National |
| White | 81.73% | 93.68% | 73.35% |
| Black | 3.53% | 1.32% | 12.63% |
| Asian | 7.64% | 2.42% | 5.22% |
| American Indian | 0.12% | 0.16% | 0.82% |
| Native Hawaiian | 0.01% | 0.02% | 0.18% |
| Mixed race | 5.22% | 1.88% | 3.06% |
| Other race | 1.75% | 0.54% | 4.75% |