| Statistic | Brookfield | Wisconsin | National |
| Population | 39,415 | 5,966,344 | 336,919,644 |
| Population density (sq mi) | 1,445 | 110 | 91 |
| Median age | 44.3 | 39.1 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 72% | 57% | 55% |
| Families w/ Kids under 18 | 42% | 43% | 43% |
| Speak English | 86% | 91% | 79% |
| Speak Spanish | 1% | 5% | 13% |

Brookfield 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 Brookfield population is 39,415 and has a population density of 1,445 people per square mile, compared to the national average of 91. The median age of all residents is 44.3, 72% of people 15 years of age or older are married and 42% have kids under the age of 18. In Brookfield, 10% of households have a median income that is below $25,000 and 42% of households report a median income above $150,000.
The 5 largest ethnic groups in Brookfield are 83.7% White, 0.8% Black or African American, 11.9% Asian, 0.1% American Indian and 0% Native Hawaiian, with 3.3% of the population identifying as Hispanic or Latino. Of note, 85.8% of households reported speaking English only, while 1.1% reported speaking Spanish only. Additionally, 11.3% of residents were classified as foreign-born. The Brookfield 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 Brookfield, 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. Brookfield has a population density of 1,445, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
Understanding Populations: Analyzing and interpreting the Brookfield demographic data provides us with valuable insights into the characteristics and composition of populations, encompassing age, gender, race, ethnicity, income, education and other socio-economic variables. This understanding is crucial for addressing the diverse needs, preferences and challenges encountered by various demographic groups within communities. Demographics play a crucial role in understanding populations, informing decision-making processes, and advancing equity, inclusion, and overall well-being for all individuals and communities. The Brookfield population and demographic data serves as a foundation for addressing social, economic and environmental challenges, while also nurturing the well-being and resilience of societies.
Social Cohesion: The examination and interpretation of demographics are pivotal for nurturing social cohesion and promoting understanding among diverse communities. By acknowledging and honoring differences in Brookfield demographics, societies can champion inclusivity, diversity and social cohesion while addressing social disparities and advocating for equitable opportunities. Racial demographics can potentially showcase the diversity of a population and are crucial for fostering inclusive and embracing communities. Embracing diversity fortifies social bonds, fosters cultural appreciation and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Policy Planning: Demographic data and statistics serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in Brookfield is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.
| Race | Brookfield | Wisconsin | National |
| White | 83.72% | 86.21% | 73.35% |
| Black | 0.81% | 6.29% | 12.63% |
| Asian | 11.95% | 2.57% | 5.22% |
| American Indian | 0.08% | 0.89% | 0.82% |
| Native Hawaiian | 0.02% | 0.02% | 0.18% |
| Mixed race | 3.17% | 2.19% | 3.06% |
| Other race | 0.24% | 1.83% | 4.75% |