| Statistic | Troy | Michigan | National |
| Population | 87,197 | 10,338,247 | 336,919,644 |
| Population density (sq mi) | 2,606 | 183 | 91 |
| Median age | 42.1 | 39.5 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 65% | 55% | 55% |
| Families w/ Kids under 18 | 43% | 41% | 43% |
| Speak English | 67% | 91% | 79% |
| Speak Spanish | 2% | 3% | 13% |

The demographics of Troy 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 87,197, Troy exhibits a population density of 2,606 people per square mile, contrasting with the national average of 91. The median age stands at 42.1, with 65% of individuals aged 15 or older being married and 43% having children under 18. In terms of income equality in Troy, 11% of households report a median income below $25,000, while 40% report an income exceeding $150,000, showcasing a diverse economic landscape.
The 5 largest ethnic groups in Troy are 67.5% White, 3.3% Black or African American, 26% Asian, 0.1% American Indian and 0% Native Hawaiian, with 2.3% of the population identifying as Hispanic or Latino. Of note, 66.9% of households reported speaking English only, while 1.6% reported speaking Spanish only. Additionally, 28.9% of residents were classified as foreign-born. The Troy racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.
The Troy population density comes in at 2,606 people per square mile, which makes it one of the most densely populated areas in the country, far surpassing the national average of 91. Areas characterized by high population density often boast an abundance of amenities and services within close proximity, providing residents with convenient access to healthcare, education, cultural attractions, dining establishments, retail outlets and transportation options. This accessibility could potentially enhance residents' overall quality of life and well-being.
Healthcare Planning: The analysis of Troy 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.
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 Troy 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. Troy 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: Troy 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 Troy demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

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| Race | Troy | Michigan | National |
| White | 67.49% | 78.89% | 73.35% |
| Black | 3.28% | 13.89% | 12.63% |
| Asian | 26.02% | 2.79% | 5.22% |
| American Indian | 0.12% | 0.53% | 0.82% |
| Native Hawaiian | 0.02% | 0.03% | 0.18% |
| Mixed race | 2.17% | 2.74% | 3.06% |
| Other race | 0.90% | 1.12% | 4.75% |