| Statistic | Post | Texas | National |
| Population | 5,122 | 30,040,435 | 336,919,644 |
| Population density (sq mi) | 1,368 | 115 | 91 |
| Median age | 41.0 | 34.2 | 37.7 |
| Male/Female ratio | 1.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 48% | 56% | 55% |
| Families w/ Kids under 18 | 50% | 48% | 43% |
| Speak English | 55% | 65% | 79% |
| Speak Spanish | 43% | 30% | 13% |

Understanding the demographics of Post 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 Post population is 5,122, with a population density of 1,368 people per square mile, diverging from the national average of 91. The median age is 41, and 48% of individuals aged 15 or older are married, while 50% have children under 18. As far as income equality in Post, 27% of households have a median income below $25,000, whereas 2% report an income exceeding $150,000, indicating a varied economic landscape within the area.
The Post 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 Post is 71.8% White, 11.3% Black or African American, 1.8% Asian, 0.3% American Indian and 0% Native Hawaiian - 56.7% of the population identify as Hispanic or Latino. Of all households, 54.6% reported speaking English only, while 43.4% reported speaking Spanish only. A total of 36% of residents were considered foreign born.
Communities such as Post, 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. Post has a population density of 1,368, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
Healthcare Planning: The examination of Post demographics can potentially inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. By comprehending demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs, and address health inequities within communities. Through the utilization of demographic statistics, healthcare providers and policymakers aim to achieve equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and tailored healthcare services to meet the diverse needs of populations.
Policy Planning: Demographic data and statistics serve as valuable tools for guiding policy and decision-making processes across government entities, organizations, and businesses. Through the analysis and interpretation of Post demographics, policymakers, government officials and organizational leaders can identify areas requiring attention, allocate resources strategically and develop policies and initiatives that cater to the unique needs and preferences of various demographic groups. Post demographic statistics can play a critical role in policy planning by informing resource allocation, enabling evidence-based decision-making, identifying priority areas, forecasting future trends, monitoring policy outcomes and fostering equity and inclusivity. By harnessing this data effectively, policymakers can craft policies that are targeted, efficient and equitable, thereby addressing the diverse needs of communities.
Urban Development: Post 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 Post demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
| Race | Post | Texas | National |
| White | 71.81% | 74.84% | 73.35% |
| Black | 11.32% | 11.95% | 12.63% |
| Asian | 1.80% | 4.36% | 5.22% |
| American Indian | 0.32% | 0.48% | 0.82% |
| Native Hawaiian | 0.00% | 0.08% | 0.18% |
| Mixed race | 7.30% | 2.50% | 3.06% |
| Other race | 7.46% | 5.79% | 4.75% |