| Statistic | Closter | New Jersey | National |
| Population | 8,846 | 9,226,043 | 336,919,644 |
| Population density (sq mi) | 2,799 | 1,255 | 91 |
| Median age | 41.7 | 39.5 | 37.7 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 66% | 56% | 55% |
| Families w/ Kids under 18 | 50% | 45% | 43% |
| Speak English | 56% | 69% | 79% |
| Speak Spanish | 6% | 16% | 13% |

The demographics of Closter 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 8,846, Closter exhibits a population density of 2,799 people per square mile, contrasting with the national average of 91. The median age stands at 41.7, with 66% of individuals aged 15 or older being married and 50% having children under 18. In terms of income equality in Closter, 7% of households report a median income below $25,000, while 59% report an income exceeding $150,000, showcasing a diverse economic landscape.
The 5 largest ethnic groups in Closter are 54.8% White, 6.8% Black or African American, 33.9% Asian, 0.9% American Indian and 0% Native Hawaiian, with 7.4% of the population identifying as Hispanic or Latino. Of note, 55.6% of households reported speaking English only, while 5.9% reported speaking Spanish only. Additionally, 34% of residents were classified as foreign-born. The Closter racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.
High population density areas typically offer a diverse array of amenities and services within walking distance or a short commute, enriching residents' quality of life and well-being. Accessible healthcare facilities, educational institutions, cultural venues, restaurants, shopping and public transportation options contribute to the convenience and vibrancy of these communities. The population density of of Closter is 2,799 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the nation.
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 Closter 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. Closter 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.
Social Cohesion: The examination and interpretation of demographics are pivotal for nurturing social cohesion and promoting understanding among diverse communities. By acknowledging and honoring differences in Closter demographics, societies can champion inclusivity, diversity and social cohesion while addressing social disparities and advocating for equitable opportunities. Racial demographics can potentially showcase the diversity of a population and are crucial for fostering inclusive and embracing communities. Embracing diversity fortifies social bonds, fosters cultural appreciation and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Understanding Populations: By reporting and analyzing Closter demographics, we can acquire valuable insights into the makeup and traits of populations, encompassing age, gender, race, ethnicity, income, education and various socio-economic factors. This comprehension is vital for tackling the varied needs, preferences, and obstacles encountered by different demographic groups within communities. Demographics serve a pivotal role in comprehending populations, guiding decision-making processes and advancing equity, inclusion and overall well-being for all individuals and communities. The Closter population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.
| Race | Closter | New Jersey | National |
| White | 54.82% | 68.15% | 73.35% |
| Black | 6.83% | 13.54% | 12.63% |
| Asian | 33.87% | 9.19% | 5.22% |
| American Indian | 0.91% | 0.21% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 2.68% | 2.53% | 3.06% |
| Other race | 0.89% | 6.35% | 4.75% |