| Statistic | Hamilton | Illinois | National |
| Population | 2,889 | 13,081,969 | 336,919,644 |
| Population density (sq mi) | 811 | 236 | 91 |
| Median age | 40.9 | 37.4 | 37.7 |
| Male/Female ratio | 0.8:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 61% | 55% | 55% |
| Families w/ Kids under 18 | 47% | 44% | 43% |
| Speak English | 99% | 77% | 79% |
| Speak Spanish | 0% | 13% | 13% |

Hamilton demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The Hamilton population is 2,889 and has a population density of 811 people per square mile, compared to the national average of 91. The median age of all residents is 40.9, 61% of people 15 years of age or older are married and 47% have kids under the age of 18. In Hamilton, 24% of households have a median income that is below $25,000 and 8% of households report a median income above $150,000.
The Hamilton 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 Hamilton is 97.3% White, 0.1% Black or African American, 0.8% Asian, 0% American Indian and 0% Native Hawaiian - 0% of the population identify as Hispanic or Latino. Of all households, 98.6% reported speaking English only, while 0.1% reported speaking Spanish only. A total of 2.4% of residents were considered foreign born.
Communities such as Hamilton, 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. Hamilton has a population density of 811, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
Social Cohesion: Reporting and analyzing demographics can play a crucial role in fostering social cohesion and understanding among diverse communities. By recognizing and appreciating differences in Hamilton demographics, societies can promote inclusivity, diversity and social harmony, while addressing social disparities and promoting equal opportunities for all individuals. Racial demographics reflect the diversity of a population and contribute to fostering inclusive and welcoming communities. Embracing diversity strengthens social cohesion, promotes cultural understanding and enriches the fabric of society by celebrating the contributions of individuals from different racial and ethnic backgrounds.
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 Hamilton 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. Hamilton 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.
Urban Development: By leveraging demographic data in Hamilton, urban planners can tailor areas to meet the needs of any resident across housing, transportation and public services, all while fostering sustainability and elevating quality of life. Demographic changes can fuel gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract newcomers with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing established residents and reshaping the neighborhood's fabric. A nuanced understanding of population density, age distribution, household size and income levels is pivotal for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Utilizing the demographic data in planning and implementing affordable housing initiatives can help mitigate displacement risks and promote inclusive communities.
| Race | Hamilton | Illinois | National |
| White | 97.26% | 72.14% | 73.35% |
| Black | 0.14% | 14.30% | 12.63% |
| Asian | 0.82% | 5.10% | 5.22% |
| American Indian | 0.00% | 0.23% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 1.78% | 2.34% | 3.06% |
| Other race | 0.00% | 5.86% | 4.75% |