| Statistic | West Allis | Wisconsin | National |
| Population | 61,432 | 5,966,344 | 336,919,644 |
| Population density (sq mi) | 5,397 | 110 | 91 |
| Median age | 38.5 | 39.1 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 45% | 57% | 55% |
| Families w/ Kids under 18 | 42% | 43% | 43% |
| Speak English | 90% | 91% | 79% |
| Speak Spanish | 7% | 5% | 13% |
West Allis demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The West Allis population is 61,432 and has a population density of 5,397 people per square mile, compared to the national average of 91. The median age of all residents is 38.5, 45% of people 15 years of age or older are married and 42% have kids under the age of 18. In West Allis, 21% of households have a median income that is below $25,000 and 10% of households report a median income above $150,000.
The 5 largest ethnic groups in West Allis are 80.4% White, 6% Black or African American, 3% Asian, 0.7% American Indian and 0% Native Hawaiian, with 13% of the population identifying as Hispanic or Latino. Of note, 89.6% of households reported speaking English only, while 6.8% reported speaking Spanish only. Additionally, 5.2% of residents were classified as foreign-born. The West Allis racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.
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 West Allis population density is 5,397 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.
Education Allocation: West Allis demographics can play a pivotal role in guiding education planning, offering insights into student demographics, school enrollment patterns, and educational requirements. This data aids schools and policymakers in resource allocation and the development of effective educational programs. It serves as a critical tool for identifying disparities in educational access and outcomes among diverse demographic groups, such as 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. Ultimately, West Allis demographic data is indispensable in education for advancing equity, fostering student achievement, and cultivating inclusive learning environments tailored to the needs of all students.
Urban Development: Urban planners could use West Allis 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 West Allis demographics for planning and development of affordable housing can help prevent displacement.
Healthcare Planning: By analyzing the West Allis demographic data, it can potentially inform healthcare planning and delivery by identifying population health needs, disparities, and risk factors. Understanding demographic trends helps healthcare providers and policymakers allocate resources, develop prevention and intervention programs, and address health inequities within communities. By leveraging demographic data, healthcare providers and policymakers can work towards achieving equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures that interventions are targeted, resources are allocated efficiently, and healthcare services are tailored to meet the diverse needs of populations.
| Race | West Allis | Wisconsin | National |
| White | 80.36% | 86.21% | 73.35% |
| Black | 6.03% | 6.29% | 12.63% |
| Asian | 2.96% | 2.57% | 5.22% |
| American Indian | 0.71% | 0.89% | 0.82% |
| Native Hawaiian | 0.02% | 0.02% | 0.18% |
| Mixed race | 5.61% | 2.19% | 3.06% |
| Other race | 4.31% | 1.83% | 4.75% |
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