| Statistic | Hammond | Indiana | National |
| Population | 78,518 | 6,996,062 | 336,919,644 |
| Population density (sq mi) | 3,449 | 195 | 91 |
| Median age | 35.7 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 44% | 56% | 55% |
| Families w/ Kids under 18 | 45% | 43% | 43% |
| Speak English | 74% | 92% | 79% |
| Speak Spanish | 24% | 5% | 13% |

The demographics of Hammond 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 78,518, Hammond exhibits a population density of 3,449 people per square mile, contrasting with the national average of 91. The median age stands at 35.7, with 44% of individuals aged 15 or older being married and 45% having children under 18. In terms of income equality in Hammond, 28% of households report a median income below $25,000, while 7% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Hammond 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 Hammond is 48.7% White, 21.5% Black or African American, 1.3% Asian, 0.4% American Indian and 0% Native Hawaiian - 38.6% of the population identify as Hispanic or Latino. Of all households, 73.9% reported speaking English only, while 23.8% reported speaking Spanish only. A total of 11.3% of residents were considered foreign born.
The Hammond population density comes in at 3,449 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.
Social Cohesion: The analysis and understanding of demographics are essential for promoting social cohesion and fostering appreciation among diverse communities. By embracing and acknowledging differences in Hammond demographics, societies can promote inclusivity, diversity and social harmony while addressing social inequalities and advocating for equal opportunities. Racial demographics can reflect the diversity within a population and are instrumental in fostering inclusive and welcoming communities. Embracing ethnic diversity strengthens social connections, promotes cultural understanding and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Policy Planning: Demographic data and statistics play a fundamental role in informing policy and decision-making processes across government entities, organizations and businesses. Through the analysis and interpretation of Hammond demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of concern, allocate resources efficiently, and devise policies and initiatives tailored to the specific needs and preferences of distinct demographic groups. The utilization of demographics in Hammond can be crucial in policy planning, facilitating evidence-based decision-making, identifying key priorities, forecasting future trends, monitoring policy outcomes and advancing principles of equity and inclusion. By harnessing this data effectively, policymakers can develop policies that are targeted, effective and inclusive, thus meeting the diverse needs of communities.
Urban Development: Urban planners can leverage demographics data in Hammond to design and develop areas that cater to residents' needs, spanning housing, transportation, and public services, while prioritizing sustainability and enhancing quality of life. Demographic changes can contribute to gentrification and neighborhood evolution, whether in urban or rural contexts. As neighborhoods attract new residents with diverse income levels and lifestyle preferences, property values may appreciate, potentially displacing longstanding residents and reshaping the neighborhood's identity. Understanding population density, age distribution, household size and income levels is essential for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Incorporating Hammond demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
| Race | Hammond | Indiana | National |
| White | 48.70% | 83.99% | 73.35% |
| Black | 21.55% | 9.23% | 12.63% |
| Asian | 1.26% | 1.98% | 5.22% |
| American Indian | 0.40% | 0.24% | 0.82% |
| Native Hawaiian | 0.02% | 0.04% | 0.18% |
| Mixed race | 4.89% | 2.22% | 3.06% |
| Other race | 23.18% | 2.30% | 4.75% |