| Statistic | McHenry | Illinois | National |
| Population | 26,889 | 12,671,821 | 328,239,523 |
| Population density (sq mi) | 1,850 | 228 | 91 |
| Median age | 41.3 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 62% | 55% | 55% |
| Families w/ Kids under 18 | 40% | 44% | 43% |
| Speak English | 85% | 77% | 79% |
| Speak Spanish | 12% | 13% | 13% |
The demographics of McHenry offer invaluable insights into the composition, dynamics and needs of both urban and rural areas, empowering planners, developers and policymakers to foster prosperity, equity, and well-being for all residents. With a population of 26,889, McHenry exhibits a population density of 1,850 people per square mile, contrasting with the national average of 91. The median age stands at 41.3, with 62% of individuals aged 15 or older being married and 40% having children under 18. In terms of income equality in McHenry, 13% of households report a median income below $25,000, while 27% report an income exceeding $150,000, showcasing a diverse economic landscape.
Recognizing the racial demographics and ethnicity breakdown of McHenry is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In McHenry, the racial breakdown comprises 93% White, 0.7% Black or African American, 1.8% Asian, 0.2% American Indian, and 0% Native Hawaiian, with 17% of the population identifying as Hispanic or Latino. 84.5% of households reported speaking English only, while 12% reported speaking Spanish only. Furthermore, 9.2% of residents were categorized as foreign-born.
McHenry could serve as a prime example of how areas with higher-than-average population density can champion environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Embracing compact urban development, these densely populated areas promote energy-efficient buildings and encourages walking, cycling and public transit use, fostering sustainable lifestyles and minimizing environmental impact. Moreover, densely populated regions are renowned for their vibrant social and cultural scenes, driven by a diverse population that organizes an array of cultural events, festivals and community activities. This cultural diversity ignites creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The McHenry population density is 1,850, surpassing the national average of 91 per square miles, positioning itself to capitalize on the advantages of dense urban living.
Understanding Populations: The examination and analysis of McHenry 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 McHenry population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and resilience of societies.
Urban Development: McHenry 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 McHenry demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Social Cohesion: Analyzing demographics is vital for nurturing social cohesion and fostering understanding among diverse communities. By embracing and respecting variations in McHenry 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.
| Race | McHenry | Illinois | National |
| White | 93.02% | 72.14% | 73.35% |
| Black | 0.70% | 14.30% | 12.63% |
| Asian | 1.82% | 5.10% | 5.22% |
| American Indian | 0.21% | 0.23% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 2.64% | 2.34% | 3.06% |
| Other race | 1.61% | 5.86% | 4.75% |
Here are the best places to live in Illinois
These are the 10 most affordable cities in Illinois
10 Best cities in Illinois for employment
Top 10 best public schools in McHenry