| Statistic | Dover | New Jersey | National |
| Population | 18,528 | 9,226,043 | 336,919,644 |
| Population density (sq mi) | 6,925 | 1,255 | 91 |
| Median age | 38.9 | 39.5 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 53% | 56% | 55% |
| Families w/ Kids under 18 | 49% | 45% | 43% |
| Speak English | 31% | 69% | 79% |
| Speak Spanish | 66% | 16% | 13% |

The population in Dover is 18,528, while the population density is 6,925 people per square mile, contrasting with the national average of 91. The median age stands at 38.9, with 53% of individuals aged 15 or older being married and 49% having children under 18. In terms of household income equality in Dover, 22% of households report a median income below $25,000, while 16% report an income exceeding $150,000. The Dover demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.
The Dover racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In Dover, the racial breakdown reveals 57% White, 10.1% Black or African American, 2.3% Asian, 0.2% American Indian and 0% Native Hawaiian, with 67.5% of the population identifying as Hispanic or Latino. Of all households, 31% reported speaking English only, while 65.6% reported speaking Spanish only. Moreover, 44.3% of residents were classified as foreign-born.
Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The Dover population density is 6,925 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.
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 Dover 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. Dover 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.
Education Allocation: Utilizing census data like Dover demographics can be useful in guiding education planning, as it helps identify student demographics, school enrollment trends and educational needs. This data assists schools and policymakers in allocating resources and devising effective educational programs. It serves as a vital tool for recognizing disparities in educational access and outcomes among various demographic groups, including racial and ethnic minorities, socio-economic status and students with disabilities. By disaggregating data based on demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to enhance access, support and outcomes for marginalized students. In essence, Dover demographic statistics can play an indispensable role in education by promoting equity, bolstering student success and cultivating inclusive learning environments tailored to meet the needs of all students.
Social Cohesion: Analyzing demographics is vital for nurturing social cohesion and fostering understanding among diverse communities. By embracing and respecting variations in Dover demographics, societies can advance inclusivity, diversity and social unity while combatting social inequalities and advocating for equal opportunities. Racial demographics mirror the diversity within a population and can be instrumental in cultivating inclusive and inviting communities. Embracing diversity strengthens social bonds, fosters cultural appreciation and enriches society by acknowledging the contributions of individuals from various racial and ethnic backgrounds.
| Race | Dover | New Jersey | National |
| White | 57.01% | 68.15% | 73.35% |
| Black | 10.09% | 13.54% | 12.63% |
| Asian | 2.29% | 9.19% | 5.22% |
| American Indian | 0.16% | 0.21% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 6.33% | 2.53% | 3.06% |
| Other race | 24.12% | 6.35% | 4.75% |