| Statistic | New London | Connecticut | National |
| Population | 27,712 | 3,657,958 | 336,919,644 |
| Population density (sq mi) | 4,930 | 755 | 91 |
| Median age | 31.8 | 40.6 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 35% | 54% | 55% |
| Families w/ Kids under 18 | 48% | 43% | 43% |
| Speak English | 67% | 78% | 79% |
| Speak Spanish | 26% | 12% | 13% |

The demographics of New London 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 27,712, New London exhibits a population density of 4,930 people per square mile, contrasting with the national average of 91. The median age stands at 31.8, with 35% of individuals aged 15 or older being married and 48% having children under 18. In terms of income equality in New London, 30% of households report a median income below $25,000, while 11% report an income exceeding $150,000, showcasing a diverse economic landscape.
The New London 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 New London is 57.3% White, 15% Black or African American, 2.8% Asian, 0.1% American Indian and 0% Native Hawaiian - 33.5% of the population identify as Hispanic or Latino. Of all households, 67.1% reported speaking English only, while 25.9% reported speaking Spanish only. A total of 18.8% of residents were considered 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 New London population density is 4,930 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.
Healthcare Planning: By analyzing the New London demographic data, it can potentially inform healthcare planning and delivery by identifying population health needs, disparities, and risk factors. Understanding demographic trends helps healthcare providers and policymakers allocate resources, develop prevention and intervention programs, and address health inequities within communities. By leveraging demographic data, healthcare providers and policymakers can work towards achieving equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures that interventions are targeted, resources are allocated efficiently, and healthcare services are tailored to meet the diverse needs of populations.
Urban Development: New London 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 New London demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Policy Planning: At various levels of government and within organizations and businesses, demographic data and statistics serve as essential tools for guiding policy and decision-making processes. Through the examination and interpretation of New London demographic stats and data, policymakers, government officials, and organizational leaders can pinpoint areas requiring attention, allocate resources judiciously and design policies and initiatives tailored to the specific needs and preferences of distinct demographic segments. The utilization of New London demographic data plays a pivotal role in policy formulation by informing resource allocation, facilitating evidence-based decision-making, identifying key priorities, predicting future trends, assessing policy effectiveness, and advancing principles of equity and inclusivity. Through effective utilization of this data, policymakers can craft policies that are targeted, efficient, and responsive to the diverse needs of communities.

Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Race | New London | Connecticut | National |
| White | 57.35% | 77.14% | 73.35% |
| Black | 15.04% | 10.39% | 12.63% |
| Asian | 2.83% | 4.26% | 5.22% |
| American Indian | 0.12% | 0.26% | 0.82% |
| Native Hawaiian | 0.05% | 0.03% | 0.18% |
| Mixed race | 7.81% | 2.98% | 3.06% |
| Other race | 16.81% | 4.95% | 4.75% |