Statistic Marlborough New Hampshire National
Population 1,115 1,399,282 336,919,644
Population density (sq mi) 660 156 91
Median age 50.7 42.4 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 47% 58% 55%
Families w/ Kids under 18 40% 40% 43%
Speak English 95% 92% 79%
Speak Spanish 1% 2% 13%
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Overview of Marlborough Demographics

Marlborough 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 Marlborough population is 1,115 and has a population density of 660 people per square mile, compared to the national average of 91. The median age of all residents is 50.7, 47% of people 15 years of age or older are married and 40% have kids under the age of 18. In Marlborough, 15% of households have a median income that is below $25,000 and 21% of households report a median income above $150,000.

Marlborough Racial Demographics & Ethnicity

The 5 largest ethnic groups in Marlborough are 92.2% White, 0% Black or African American, 3.4% Asian, 1.2% American Indian and 0% Native Hawaiian, with 0% of the population identifying as Hispanic or Latino. Of note, 94.8% of households reported speaking English only, while 1.3% reported speaking Spanish only. Additionally, 3.8% of residents were classified as foreign-born. The Marlborough racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.

Marlborough Population Density

Regions characterized by lower-than-average population density, such as Marlborough, offer a chance for a more relaxed lifestyle, deeper connection to nature, vibrant community bonds, enhanced affordability, and heightened safety, making them enticing options for those seeking refuge from the frenetic pace of urban life. These areas often boast a more budget-friendly cost of living, with housing prices typically more affordable and residents may benefit from reduced taxes, living expenses, and insurance rates. Low population density areas often exhibit lower crime rates than densely populated urban regions, fostering a greater sense of safety and security for residents and their families. The Marlborough population density is 660 people per square mile, which ranks below 50% of cities nationwide, presenting ample opportunities to enjoy these exceptional benefits.

Why are Demographics Important?

Understanding Populations: The examination and analysis of Marlborough demographic data can offer valuable insights into the composition and traits of populations, including age, gender, race, ethnicity, income, education and various socio-economic factors. This understanding is essential for addressing the varied needs, preferences, and challenges faced by different demographic groups within communities. Demographics hold significant importance in understanding populations, guiding decision-making processes and promoting equity, inclusion, and overall well-being for all individuals and communities. The Marlborough population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and resilience of societies.

Healthcare Planning: The analysis of Marlborough demographics can offer insights into healthcare planning and delivery, identifying population health needs, disparities and risk factors. By understanding demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Through the use of demographic data and statistics, healthcare providers and policymakers aim to achieve equitable, accessible and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.

Urban Development: Urban planners can leverage demographics data in Marlborough 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 Marlborough demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.

Demographics Quick Facts

  • The population density in Marlborough is 322% higher than New Hampshire
  • The median age in Marlborough is 20% higher than New Hampshire
  • In Marlborough 92.22% of the population is White
  • In Marlborough 0.00% of the population is Black
  • In Marlborough 3.39% of the population is Asian

Compare Marlborough, NH Demographics

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      Marlborough racial demographics

      Race Marlborough New Hampshire National
      White 92.22% 93.68% 73.35%
      Black 0.00% 1.32% 12.63%
      Asian 3.39% 2.42% 5.22%
      American Indian 1.19% 0.16% 0.82%
      Native Hawaiian 0.00% 0.02% 0.18%
      Mixed race 3.20% 1.88% 3.06%
      Other race 0.00% 0.54% 4.75%
      In Marlborough, 0.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Marlborough age breakdown

      Marital status

      Age of children in married couples

      Source: The Marlborough, NH demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.