| Statistic | Janesville | Wisconsin | National |
| Population | 64,415 | 5,822,434 | 328,239,523 |
| Population density (sq mi) | 1,886 | 108 | 91 |
| Median age | 38.8 | 39.1 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 54% | 57% | 55% |
| Families w/ Kids under 18 | 42% | 43% | 43% |
| Speak English | 94% | 91% | 79% |
| Speak Spanish | 4% | 5% | 13% |
Janesville 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 Janesville population is 64,415 and has a population density of 1,886 people per square mile, compared to the national average of 91. The median age of all residents is 38.8, 54% of people 15 years of age or older are married and 42% have kids under the age of 18. In Janesville, 21% of households have a median income that is below $25,000 and 12% of households report a median income above $150,000.
Understanding the Janesville racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Janesville, the racial breakdown indicates 90% White, 2.6% Black or African American, 1.3% Asian, 0.2% American Indian and 0% Native Hawaiian, with 5.8% of the population identifying as Hispanic or Latino. Notably, 94% of households reported speaking English only, while 3.9% reported speaking Spanish only. Additionally, 3.4% of residents were categorized as foreign-born.
Janesville, 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 Janesville population density stands at 1,886, exceeding the national average, at 91 people per square mile, positioning it in a nice position to reap the benefits of densely populated areas.
Education Allocation: In education planning, Janesville 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, Janesville 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: By reporting and analyzing Janesville demographics, we can acquire valuable insights into the makeup and traits of populations, encompassing age, gender, race, ethnicity, income, education and various socio-economic factors. This comprehension is vital for tackling the varied needs, preferences, and obstacles encountered by different demographic groups within communities. Demographics serve a pivotal role in comprehending populations, guiding decision-making processes and advancing equity, inclusion and overall well-being for all individuals and communities. The Janesville population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.
Urban Development: Janesville demographic statistics are invaluable for urban planners in designing and developing areas that cater to residents' needs, encompassing housing, transportation, and public services, all while fostering sustainability and enhancing quality of life. Shifts in demographics can influence gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract new residents with varying income levels and lifestyle preferences, property values may increase, potentially displacing long-term residents and altering the neighborhood's character. Analyzing population density, age distribution, household size, and income levels is crucial for guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Utilizing Janesville demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
| Race | Janesville | Wisconsin | National |
| White | 89.97% | 86.21% | 73.35% |
| Black | 2.64% | 6.29% | 12.63% |
| Asian | 1.34% | 2.57% | 5.22% |
| American Indian | 0.18% | 0.89% | 0.82% |
| Native Hawaiian | 0.01% | 0.02% | 0.18% |
| Mixed race | 3.05% | 2.19% | 3.06% |
| Other race | 2.81% | 1.83% | 4.75% |
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