| Statistic | Andalusia | Illinois | National |
| Population | 1,153 | 13,081,969 | 336,919,644 |
| Population density (sq mi) | 974 | 236 | 91 |
| Median age | 49.0 | 37.4 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 63% | 55% | 55% |
| Families w/ Kids under 18 | 25% | 44% | 43% |
| Speak English | 95% | 77% | 79% |
| Speak Spanish | 3% | 13% | 13% |

The demographics of Andalusia 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 1,153, Andalusia exhibits a population density of 974 people per square mile, contrasting with the national average of 91. The median age stands at 49, with 63% of individuals aged 15 or older being married and 25% having children under 18. In terms of income equality in Andalusia, 7% of households report a median income below $25,000, while 14% report an income exceeding $150,000, showcasing a diverse economic landscape.
Recognizing the racial demographics and ethnicity breakdown of Andalusia is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Andalusia, the racial breakdown comprises 94.5% White, 1.4% Black or African American, 0.5% Asian, 0% American Indian, and 0% Native Hawaiian, with 2.8% of the population identifying as Hispanic or Latino. 95.5% of households reported speaking English only, while 3.4% reported speaking Spanish only. Furthermore, 1.4% of residents were categorized as foreign-born.
Communities such as Andalusia, 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. Andalusia has a population density of 974, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
In a city like Andalusia with fewer children, there are numerous advantages tailored to a demographic where families with fewer or no children seek an ideal environment. These benefits may encompass a serene atmosphere, a heightened emphasis on amenities geared towards adults, reduced traffic congestion and enhanced affordability. Notably, one of the key advantages could be the wider availability of housing options designed to suit adult residents or smaller households. This may include a variety of housing types such as condominiums, apartments, or single-family homes tailored for couples or individuals without children, thereby offering a diverse range of choices for prospective buyers or renters. Areas with fewer children may also signal that the locale is conducive to retirees or seniors. In Andalusia, only 25% of the population consists of children under 18 years old, significantly below the national average. Additionally, 63% of residents aged over 15 are married. These demographics could suggest a promising environment for capitalizing on all the benefits of a city with fewer children.
Urban Development: Andalusia 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 Andalusia demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Understanding Populations: By delving into and analyzing the Andalusia 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 Andalusia 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.
Policy Planning: Demographic data and statistics can inform policy and decision-making processes at various levels of government, as well as in organizations and businesses. By reporting and analyzing Andalusia demographics data, policymakers, government officials and organizational leaders can identify areas of need, allocate resources effectively and develop targeted policies and programs that address the specific needs and priorities of different demographic groups. Andalusia demographics can play a crucial role in policy planning by informing resource allocation, evidence-based decision making, identifying priorities, forecasting future trends, monitoring policy impact and promoting equity and inclusion. By leveraging this data effectively, policymakers can develop policies that are targeted, effective and responsive to the needs of diverse communities.

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| Race | Andalusia | Illinois | National |
| White | 94.45% | 72.14% | 73.35% |
| Black | 1.43% | 14.30% | 12.63% |
| Asian | 0.54% | 5.10% | 5.22% |
| American Indian | 0.00% | 0.23% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 2.06% | 2.34% | 3.06% |
| Other race | 1.52% | 5.86% | 4.75% |