Statistic Rockville Maryland National
Population 70,839 6,178,543 336,919,644
Population density (sq mi) 5,215 636 91
Median age 39.5 38.3 37.7
Male/Female ratio 0.9:1 0.9:1 1.0:1
Married (15yrs & older) 57% 54% 55%
Families w/ Kids under 18 44% 44% 43%
Speak English 57% 82% 79%
Speak Spanish 12% 7% 13%
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Local Insights Report

Overview of Rockville Demographics

Rockville 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 Rockville population is 70,839 and has a population density of 5,215 people per square mile, compared to the national average of 91. The median age of all residents is 39.5, 57% of people 15 years of age or older are married and 44% have kids under the age of 18. In Rockville, 9% of households have a median income that is below $25,000 and 44% of households report a median income above $150,000.

Rockville Racial Demographics & Ethnicity

Recognizing the racial demographics and ethnicity breakdown of Rockville is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Rockville, the racial breakdown comprises 56.1% White, 11% Black or African American, 19.8% Asian, 0.3% American Indian, and 0% Native Hawaiian, with 15.4% of the population identifying as Hispanic or Latino. 56.8% of households reported speaking English only, while 12% reported speaking Spanish only. Furthermore, 33.5% of residents were categorized as foreign-born.

Rockville Population Density

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 Rockville population density is 5,215 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.

Why are Demographics Important?

Understanding Populations: By reporting and analyzing Rockville 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 Rockville population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.

Policy Planning: Demographic data and statistics play a fundamental role in informing policy and decision-making processes across government entities, organizations and businesses. Through the analysis and interpretation of Rockville demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of concern, allocate resources efficiently, and devise policies and initiatives tailored to the specific needs and preferences of distinct demographic groups. The utilization of demographics in Rockville can be crucial in policy planning, facilitating evidence-based decision-making, identifying key priorities, forecasting future trends, monitoring policy outcomes and advancing principles of equity and inclusion. By harnessing this data effectively, policymakers can develop policies that are targeted, effective and inclusive, thus meeting the diverse needs of communities.

Urban Development: Utilizing Rockville demographic statistics and data, urban planners can craft and develop areas that cater to local residents, encompassing housing, transportation and public services, all while emphasizing sustainability and enriching quality of life. Demographic transitions can contribute to gentrification and neighborhood evolution, whether in urban or rural environments. As neighborhoods draw in new residents with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing longtime inhabitants and reshaping the neighborhood's fabric. Comprehensive insights into population density, age distribution, household size, and income levels are instrumental in guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Harnessing Rockville demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

Demographics Quick Facts

  • The population density in Rockville is 719% higher than Maryland
  • The median age in Rockville is 3% higher than Maryland
  • In Rockville 56.10% of the population is White
  • In Rockville 10.98% of the population is Black
  • In Rockville 19.82% of the population is Asian

Compare Rockville, MD Demographics

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      Rockville racial demographics

      Race Rockville Maryland National
      White 56.10% 57.19% 73.35%
      Black 10.98% 29.63% 12.63%
      Asian 19.82% 6.08% 5.22%
      American Indian 0.27% 0.27% 0.82%
      Native Hawaiian 0.00% 0.05% 0.18%
      Mixed race 6.21% 3.12% 3.06%
      Other race 6.62% 3.67% 4.75%
      In Rockville, 15.4% 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

      Rockville age breakdown

      Marital status

      Age of children in married couples

      Source: The Rockville, MD 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.