| Statistic | Sussex | Wisconsin | National |
| Population | 10,884 | 5,822,434 | 328,239,523 |
| Population density (sq mi) | 1,366 | 108 | 91 |
| Median age | 37.2 | 39.1 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 60% | 57% | 55% |
| Families w/ Kids under 18 | 49% | 43% | 43% |
| Speak English | 95% | 91% | 79% |
| Speak Spanish | 1% | 5% | 13% |
Understanding the demographics of Sussex is essential for gaining insights into the composition, dynamics and needs of any city, town or village. This knowledge empowers planners, developers and policymakers to strategize effectively, promoting prosperity, equity and well-being for all residents. The Sussex population is 10,884, with a population density of 1,366 people per square mile, diverging from the national average of 91. The median age is 37.2, and 60% of individuals aged 15 or older are married, while 49% have children under 18. As far as income equality in Sussex, 10% of households have a median income below $25,000, whereas 33% report an income exceeding $150,000, indicating a varied economic landscape within the area.
The 5 largest ethnic groups in Sussex are 88.9% White, 0.2% Black or African American, 9.3% Asian, 0.2% American Indian and 0% Native Hawaiian, with 1% of the population identifying as Hispanic or Latino. Of note, 95% of households reported speaking English only, while 0.9% reported speaking Spanish only. Additionally, 4% of residents were classified as foreign-born. The Sussex racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.
Communities such as Sussex, with population densities higher than the average, play a significant role in promoting environmental sustainability by decreasing per capita energy consumption, greenhouse gas emissions and land use. Their compact urban development encourages the adoption of energy-efficient buildings, walking, cycling, and public transportation, fostering sustainable lifestyles and minimizing environmental impact. Additionally, densely populated areas tend to cultivate vibrant social and cultural scenes, fueled by a diverse population that contributes to a myriad of cultural events, festivals and community activities. This cultural diversity sparks creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. Sussex has a population density of 1,366, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
Understanding Populations: The examination and analysis of Sussex 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 Sussex population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and resilience of societies.
Social Cohesion: Analyzing demographics is vital for nurturing social cohesion and fostering understanding among diverse communities. By embracing and respecting variations in Sussex demographics, societies can advance inclusivity, diversity and social unity while combatting social inequalities and advocating for equal opportunities. Racial demographics mirror the diversity within a population and can be instrumental in cultivating inclusive and inviting communities. Embracing diversity strengthens social bonds, fosters cultural appreciation and enriches society by acknowledging the contributions of individuals from various racial and ethnic backgrounds.
Healthcare Planning: The analysis of Sussex demographics can offer insights into healthcare planning and delivery, identifying population health needs, disparities and risk factors. By understanding demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Through the use of demographic data and statistics, healthcare providers and policymakers aim to achieve equitable, accessible and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.
| Race | Sussex | Wisconsin | National |
| White | 88.88% | 86.21% | 73.35% |
| Black | 0.24% | 6.29% | 12.63% |
| Asian | 9.33% | 2.57% | 5.22% |
| American Indian | 0.20% | 0.89% | 0.82% |
| Native Hawaiian | 0.00% | 0.02% | 0.18% |
| Mixed race | 1.35% | 2.19% | 3.06% |
| Other race | 0.00% | 1.83% | 4.75% |
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