| Statistic | La Grange | Illinois | National |
| Population | 16,121 | 13,081,969 | 336,919,644 |
| Population density (sq mi) | 6,389 | 236 | 91 |
| Median age | 42.3 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 63% | 55% | 55% |
| Families w/ Kids under 18 | 52% | 44% | 43% |
| Speak English | 91% | 77% | 79% |
| Speak Spanish | 6% | 13% | 13% |

The population of La Grange is 16,121, with a population density of 6,389 people per square mile, diverging from the national average of 91. The median age is 42.3 and 63% of individuals aged 15 or older are married, while 52% have children under 18. As far as income equality in La Grange goes, 9% of households have a median income below $25,000, whereas 48% report an income exceeding $150,000. The La Grange demographics data can provide indispensable insights into the composition, dynamics and needs of cities, towns or even villages, empowering planners, developers and policymakers to devise strategies that foster prosperity, equity and well-being for all residents.
The 5 largest ethnic groups in La Grange are 88.2% White, 5% Black or African American, 0.6% Asian, 0% American Indian and 0% Native Hawaiian, with 7.4% of the population identifying as Hispanic or Latino. Of note, 91.3% of households reported speaking English only, while 5.7% reported speaking Spanish only. Additionally, 4.9% of residents were classified as foreign-born. The La Grange racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.
Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The La Grange population density is 6,389 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.
A family-friendly city like La Grange can prioritize the well-being and needs of families, creating an environment where children thrive, parents feel supported and families can enjoy a high quality of life together. Family-friendly cities are also known to foster a strong sense of community, with neighbors supporting and looking out for one another. These areas could also boast excellent educational opportunities, including high-quality schools, libraries and extracurricular activities. Access to quality education is essential for children's development and future success. By prioritizing the well-being of its residents, such cities become vibrant and resilient communities where families can truly flourish. In La Grange, 52% of families have kids under the age of 18 and 63% of residents over 15 years old are married. These demographics put this area in a position to reap the benefits of a family-friendly area.
Urban Development: Utilizing La Grange demographic statistics and data, urban planners can craft and develop areas that cater to local residents, encompassing housing, transportation and public services, all while emphasizing sustainability and enriching quality of life. Demographic transitions can contribute to gentrification and neighborhood evolution, whether in urban or rural environments. As neighborhoods draw in new residents with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing longtime inhabitants and reshaping the neighborhood's fabric. Comprehensive insights into population density, age distribution, household size, and income levels are instrumental in guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Harnessing La Grange demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Policy Planning: Demographic data and statistics play a fundamental role in informing policy and decision-making processes across government entities, organizations and businesses. Through the analysis and interpretation of La Grange demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of concern, allocate resources efficiently, and devise policies and initiatives tailored to the specific needs and preferences of distinct demographic groups. The utilization of demographics in La Grange can be crucial in policy planning, facilitating evidence-based decision-making, identifying key priorities, forecasting future trends, monitoring policy outcomes and advancing principles of equity and inclusion. By harnessing this data effectively, policymakers can develop policies that are targeted, effective and inclusive, thus meeting the diverse needs of communities.
Understanding Populations: By delving into and analyzing the La Grange demographic stats, we can uncover insightful details regarding the composition and attributes of populations, spanning age, gender, race, ethnicity, income, education and other socio-economic indicators. This comprehension is vital for addressing the diverse needs, preferences and hurdles faced by various demographic groups within communities. Demographics wield significant influence in understanding populations, shaping decision-making processes and championing equity, inclusion, and the overall welfare of all individuals and communities. The La Grange population and demographic data serves as a cornerstone for tackling social, economic and environmental challenges, while simultaneously nurturing the well-being and resilience of societies.

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| Race | La Grange | Illinois | National |
| White | 88.15% | 72.14% | 73.35% |
| Black | 5.04% | 14.30% | 12.63% |
| Asian | 0.61% | 5.10% | 5.22% |
| American Indian | 0.03% | 0.23% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 3.51% | 2.34% | 3.06% |
| Other race | 2.66% | 5.86% | 4.75% |