| Statistic | St. Ann | Missouri | National |
| Population | 13,143 | 6,326,040 | 336,919,644 |
| Population density (sq mi) | 4,124 | 92 | 91 |
| Median age | 35.4 | 38.3 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 48% | 57% | 55% |
| Families w/ Kids under 18 | 48% | 42% | 43% |
| Speak English | 90% | 94% | 79% |
| Speak Spanish | 5% | 3% | 13% |
Understanding the demographics of St. Ann is essential for gaining insights into the composition, dynamics and needs of any city, town or village. This knowledge empowers planners, developers and policymakers to strategize effectively, promoting prosperity, equity and well-being for all residents. The St. Ann population is 13,143, with a population density of 4,124 people per square mile, diverging from the national average of 91. The median age is 35.4, and 48% of individuals aged 15 or older are married, while 48% have children under 18. As far as income equality in St. Ann, 19% of households have a median income below $25,000, whereas 3% report an income exceeding $150,000, indicating a varied economic landscape within the area.
The St. Ann racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in St. Ann is 61.9% White, 29.5% Black or African American, 2.3% Asian, 0.2% American Indian and 0% Native Hawaiian - 7.1% of the population identify as Hispanic or Latino. Of all households, 90.1% reported speaking English only, while 5.4% reported speaking Spanish only. A total of 6.9% of residents were considered foreign born.
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 St. Ann population density is 4,124 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.
Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in St. Ann demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.
Policy Planning: At various levels of government and within organizations and businesses, demographic data and statistics serve as essential tools for guiding policy and decision-making processes. Through the examination and interpretation of St. Ann demographic stats and data, policymakers, government officials, and organizational leaders can pinpoint areas requiring attention, allocate resources judiciously and design policies and initiatives tailored to the specific needs and preferences of distinct demographic segments. The utilization of St. Ann demographic data plays a pivotal role in policy formulation by informing resource allocation, facilitating evidence-based decision-making, identifying key priorities, predicting future trends, assessing policy effectiveness, and advancing principles of equity and inclusivity. Through effective utilization of this data, policymakers can craft policies that are targeted, efficient, and responsive to the diverse needs of communities.
Urban Development: St. Ann 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 St. Ann demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
| Race | St. Ann | Missouri | National |
| White | 61.87% | 82.53% | 73.35% |
| Black | 29.46% | 11.58% | 12.63% |
| Asian | 2.34% | 1.78% | 5.22% |
| American Indian | 0.17% | 0.42% | 0.82% |
| Native Hawaiian | 0.00% | 0.11% | 0.18% |
| Mixed race | 4.14% | 2.44% | 3.06% |
| Other race | 2.03% | 1.13% | 4.75% |
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