| Statistic | Alton | Texas | National |
| Population | 18,261 | 30,040,435 | 336,919,644 |
| Population density (sq mi) | 2,500 | 115 | 91 |
| Median age | 26.4 | 34.2 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 53% | 56% | 55% |
| Families w/ Kids under 18 | 61% | 48% | 43% |
| Speak English | 9% | 65% | 79% |
| Speak Spanish | 91% | 30% | 13% |

The demographics of Alton 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 18,261, Alton exhibits a population density of 2,500 people per square mile, contrasting with the national average of 91. The median age stands at 26.4, with 53% of individuals aged 15 or older being married and 61% having children under 18. In terms of income equality in Alton, 38% of households report a median income below $25,000, while 4% report an income exceeding $150,000, showcasing a diverse economic landscape.
Recognizing the racial demographics and ethnicity breakdown of Alton is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Alton, the racial breakdown comprises 81.8% White, 0% Black or African American, 0% Asian, 0.3% American Indian, and 0% Native Hawaiian, with 97.7% of the population identifying as Hispanic or Latino. 9.3% of households reported speaking English only, while 90.7% reported speaking Spanish only. Furthermore, 31.8% of residents were categorized as foreign-born.
In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. Alton has a population density of 2,500 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.
A family-friendly city like Alton prioritizes the well-being and requirements of families, creating an atmosphere conducive to the flourishing of children, the support of parents and the collective enjoyment of a superior quality of life. These cities are characterized by their fostering of strong community bonds, where neighbors actively support and watch out for one another. Additionally, they often offer outstanding educational opportunities, including top-tier schools, well-stocked libraries and diverse extracurricular activities. Access to quality education is indispensable for the holistic development and future achievements of children. By giving precedence to the welfare of its inhabitants, such cities transform into vibrant and resilient communities where families can truly thrive. In Alton, 61% of families have children under the age of 18, and 53% of residents aged over 15 are married. These demographic characteristics position this area to fully reap the benefits of being a family-friendly area.
Urban Development: Urban planners could use Alton 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 Alton demographics for planning and development of affordable housing can help prevent displacement.
Social Cohesion: The analysis and understanding of demographics are essential for promoting social cohesion and fostering appreciation among diverse communities. By embracing and acknowledging differences in Alton demographics, societies can promote inclusivity, diversity and social harmony while addressing social inequalities and advocating for equal opportunities. Racial demographics can reflect the diversity within a population and are instrumental in fostering inclusive and welcoming communities. Embracing ethnic diversity strengthens social connections, promotes cultural understanding and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Healthcare Planning: The analysis of Alton demographics can offer insights into healthcare planning and delivery, identifying population health needs, disparities and risk factors. By understanding demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Through the use of demographic data and statistics, healthcare providers and policymakers aim to achieve equitable, accessible and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.
| Race | Alton | Texas | National |
| White | 81.79% | 74.84% | 73.35% |
| Black | 0.00% | 11.95% | 12.63% |
| Asian | 0.00% | 4.36% | 5.22% |
| American Indian | 0.29% | 0.48% | 0.82% |
| Native Hawaiian | 0.00% | 0.08% | 0.18% |
| Mixed race | 16.46% | 2.50% | 3.06% |
| Other race | 1.45% | 5.79% | 4.75% |