| Statistic | Summit | Washington | National |
| Population | 9,253 | 7,794,858 | 336,919,644 |
| Population density (sq mi) | 1,819 | 117 | 91 |
| Median age | 43.7 | 37.6 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 60% | 56% | 55% |
| Families w/ Kids under 18 | 43% | 44% | 43% |
| Speak English | 94% | 81% | 79% |
| Speak Spanish | 3% | 8% | 13% |

The population in Summit is 9,253, while the population density is 1,819 people per square mile, contrasting with the national average of 91. The median age stands at 43.7, with 60% of individuals aged 15 or older being married and 43% having children under 18. In terms of household income equality in Summit, 12% of households report a median income below $25,000, while 31% report an income exceeding $150,000. The Summit demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.
Recognizing the racial demographics and ethnicity breakdown of Summit is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Summit, the racial breakdown comprises 86.5% White, 2.5% Black or African American, 2.3% Asian, 1.7% American Indian, and 0% Native Hawaiian, with 9.9% of the population identifying as Hispanic or Latino. 93.6% of households reported speaking English only, while 2.9% reported speaking Spanish only. Furthermore, 4.5% of residents were categorized as foreign-born.
Summit, 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 Summit population density stands at 1,819, 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: The analysis and understanding of demographics are essential for promoting social cohesion and fostering appreciation among diverse communities. By embracing and acknowledging differences in Summit demographics, societies can promote inclusivity, diversity and social harmony while addressing social inequalities and advocating for equal opportunities. Racial demographics can reflect the diversity within a population and are instrumental in fostering inclusive and welcoming communities. Embracing ethnic diversity strengthens social connections, promotes cultural understanding and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Urban Development: Urban planners could use Summit demographic data to design and create areas that accommodate the needs of residents, including housing, transportation and public services, while promoting sustainability and quality of life. Demographic shifts can contribute to gentrification and neighborhood change in urban or rural areas. As neighborhoods attract new residents with different income levels and lifestyle preferences, property values may rise, leading to displacement of long-time residents and changes in the character and identity of the neighborhood. Understanding population density, age distribution, household size and income levels helps inform decisions related to zoning, transportation infrastructure, housing development and public amenities. Lastly, using Summit demographics for planning and development of affordable housing can help prevent displacement.
Understanding Populations: Reporting and analyzing the demographic data in Summit 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. Summit population data serves as a foundation for addressing social, economic, and environmental challenges and promoting the well-being and resilience of societies.
| Race | Summit | Washington | National |
| White | 86.48% | 77.34% | 73.35% |
| Black | 2.54% | 3.63% | 12.63% |
| Asian | 2.34% | 7.80% | 5.22% |
| American Indian | 1.69% | 1.33% | 0.82% |
| Native Hawaiian | 0.00% | 0.63% | 0.18% |
| Mixed race | 3.57% | 5.34% | 3.06% |
| Other race | 3.39% | 3.92% | 4.75% |