| Statistic | Kittery | Maine | National |
| Population | 5,489 | 1,392,903 | 336,919,644 |
| Population density (sq mi) | 1,967 | 45 | 91 |
| Median age | 45.2 | 44.0 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 58% | 57% | 55% |
| Families w/ Kids under 18 | 34% | 38% | 43% |
| Speak English | 91% | 94% | 79% |
| Speak Spanish | 3% | 1% | 13% |

The demographics of Kittery 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 5,489, Kittery exhibits a population density of 1,967 people per square mile, contrasting with the national average of 91. The median age stands at 45.2, with 58% of individuals aged 15 or older being married and 34% having children under 18. In terms of income equality in Kittery, 30% of households report a median income below $25,000, while 20% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Kittery 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 Kittery is 84.7% White, 4.9% Black or African American, 4.5% Asian, 2% American Indian and 0% Native Hawaiian - 3.9% of the population identify as Hispanic or Latino. Of all households, 91.3% reported speaking English only, while 2.6% reported speaking Spanish only. A total of 7.1% of residents were considered foreign born.
Kittery, 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 Kittery population density stands at 1,967, exceeding the national average, at 91 people per square mile, positioning it in a nice position to reap the benefits of densely populated areas.
Social Cohesion: Reporting and analyzing demographics can play a crucial role in fostering social cohesion and understanding among diverse communities. By recognizing and appreciating differences in Kittery demographics, societies can promote inclusivity, diversity and social harmony, while addressing social disparities and promoting equal opportunities for all individuals. Racial demographics reflect the diversity of a population and contribute to fostering inclusive and welcoming communities. Embracing diversity strengthens social cohesion, promotes cultural understanding and enriches the fabric of society by celebrating the contributions of individuals from different racial and ethnic backgrounds.
Education Allocation: In education planning, Kittery demographic data can be invaluable for identifying student demographics, school enrollment trends and educational needs. This data aids schools and policymakers in resource allocation and the formulation of effective educational programs. It serves as a crucial tool for recognizing disparities in educational access and outcomes among different demographic groups, including racial and ethnic minorities, socio-economic status and students with disabilities. Through the disaggregation of data by demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to enhance access, support, and outcomes for marginalized students. Overall, Kittery demographic data can be an essential tool in education for promoting equity, facilitating student success, and nurturing inclusive learning environments that cater to the needs of all students.
Understanding Populations: Reporting and analyzing the demographic data in Kittery can allow us to gain insights into the characteristics and composition of populations, including age, gender, race, ethnicity, income, education and other socio-economic factors. This understanding is essential for addressing the diverse needs, preferences and challenges of different demographic groups within communities. Demographics can play a crucial role in understanding populations, informing decision-making processes and promoting equity, inclusion, and well-being for all individuals and communities. Kittery population data serves as a foundation for addressing social, economic, and environmental challenges and promoting the well-being and resilience of societies.

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| Race | Kittery | Maine | National |
| White | 84.75% | 94.78% | 73.35% |
| Black | 4.95% | 1.23% | 12.63% |
| Asian | 4.53% | 1.10% | 5.22% |
| American Indian | 1.98% | 0.60% | 0.82% |
| Native Hawaiian | 0.00% | 0.02% | 0.18% |
| Mixed race | 3.11% | 2.04% | 3.06% |
| Other race | 0.68% | 0.24% | 4.75% |