| Statistic | St. David | Arizona | National |
| Population | 1,527 | 7,530,837 | 336,919,644 |
| Population density (sq mi) | 287 | 66 | 91 |
| Median age | 39.2 | 37.1 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 56% | 53% | 55% |
| Families w/ Kids under 18 | 40% | 42% | 43% |
| Speak English | 94% | 73% | 79% |
| Speak Spanish | 6% | 20% | 13% |

The population of St. David is 1,527, with a population density of 287 people per square mile, diverging from the national average of 91. The median age is 39.2 and 56% of individuals aged 15 or older are married, while 40% have children under 18. As far as income equality in St. David goes, 37% of households have a median income below $25,000, whereas 13% report an income exceeding $150,000. The St. David 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.
Recognizing the racial demographics and ethnicity breakdown of St. David is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In St. David, the racial breakdown comprises 98.3% White, 0% Black or African American, 0% Asian, 0% American Indian, and 0% Native Hawaiian, with 14.8% of the population identifying as Hispanic or Latino. 94.3% of households reported speaking English only, while 5.7% reported speaking Spanish only. Furthermore, 0.5% of residents were categorized as foreign-born.
Towns, villages or even small cities with below-average population density, like St. David, offer the expectation of a more laid-back lifestyle, deeper immersion in nature, strong community bonds, improved affordability and enhanced safety, drawing individuals seeking respite from the hustle and bustle of urban living. These regions often feature a more affordable cost of living, with housing prices typically more reasonable and residents may enjoy reduced taxes, living expenses and insurance rates. Low population density areas generally boast lower crime rates than densely populated urban areas, fostering a greater sense of safety and security for residents and their families. St. David has a population density of 287 people per square mile, which falls below 50% of cities nationwide, positioning it to leverage these outstanding benefits.
Social Cohesion: The examination and interpretation of demographics are pivotal for nurturing social cohesion and promoting understanding among diverse communities. By acknowledging and honoring differences in St. David demographics, societies can champion inclusivity, diversity and social cohesion while addressing social disparities and advocating for equitable opportunities. Racial demographics can potentially showcase the diversity of a population and are crucial for fostering inclusive and embracing communities. Embracing diversity fortifies social bonds, fosters cultural appreciation and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Understanding Populations: Reporting and analyzing the demographic data in St. David can allow us to gain insights into the characteristics and composition of populations, including age, gender, race, ethnicity, income, education and other socio-economic factors. This understanding is essential for addressing the diverse needs, preferences and challenges of different demographic groups within communities. Demographics can play a crucial role in understanding populations, informing decision-making processes and promoting equity, inclusion, and well-being for all individuals and communities. St. David population data serves as a foundation for addressing social, economic, and environmental challenges and promoting 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 St. David 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. St. David 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 | St. David | Arizona | National |
| White | 98.31% | 77.80% | 73.35% |
| Black | 0.00% | 4.27% | 12.63% |
| Asian | 0.00% | 3.05% | 5.22% |
| American Indian | 0.00% | 4.41% | 0.82% |
| Native Hawaiian | 0.00% | 0.19% | 0.18% |
| Mixed race | 1.15% | 3.31% | 3.06% |
| Other race | 0.54% | 6.97% | 4.75% |