| Statistic | Washington | District of Columbia | National |
| Population | 701,974 | 705,749 | 328,239,523 |
| Population density (sq mi) | 11,484 | 10,779 | 91 |
| Median age | 34.1 | 33.8 | 37.7 |
| Male/Female ratio | 0.9:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 34% | 34% | 55% |
| Families w/ Kids under 18 | 41% | 43% | 43% |
| Speak English | 83% | 83% | 79% |
| Speak Spanish | 9% | 9% | 13% |
Washington 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 Washington population is 701,974 and has a population density of 11,484 people per square mile, compared to the national average of 91. The median age of all residents is 34.1, 34% of people 15 years of age or older are married and 41% have kids under the age of 18. In Washington, 17% of households have a median income that is below $25,000 and 37% of households report a median income above $150,000.
The Washington 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 Washington is 41.1% White, 45.4% Black or African American, 4.1% Asian, 0.3% American Indian and 0% Native Hawaiian - 11.1% of the population identify as Hispanic or Latino. Of all households, 82.8% reported speaking English only, while 9.1% reported speaking Spanish only. A total of 13.4% of residents were considered foreign born.
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 Washington is 11,484 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the nation.
Education Allocation: Washington demographic data can help guide education planning by identifying student demographics, school enrollment trends and educational needs, helping schools and policymakers allocate resources and develop effective educational programs. It can be an essential tool for identifying disparities in educational access and outcomes among different demographic groups, such as racial and ethnic minorities, socio-economic status, or students with disabilities. By disaggregating data by demographic factors, education planners can identify areas of inequity and develop targeted interventions to improve access, support and outcomes for marginalized students. Overall, Washington demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.
Urban Development: Urban planners could use Washington demographic data to design and create areas that accommodate the needs of residents, including housing, transportation and public services, while promoting sustainability and quality of life. Demographic shifts can contribute to gentrification and neighborhood change in urban or rural areas. As neighborhoods attract new residents with different income levels and lifestyle preferences, property values may rise, leading to displacement of long-time residents and changes in the character and identity of the neighborhood. Understanding population density, age distribution, household size and income levels helps inform decisions related to zoning, transportation infrastructure, housing development and public amenities. Lastly, using Washington demographics for planning and development of affordable housing can help prevent displacement.
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 Washington 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 Washington 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.
| Race | Washington | District of Columbia | National |
| White | 41.07% | 40.37% | 73.35% |
| Black | 45.39% | 48.35% | 12.63% |
| Asian | 4.10% | 3.65% | 5.22% |
| American Indian | 0.35% | 0.33% | 0.82% |
| Native Hawaiian | 0.05% | 0.04% | 0.18% |
| Mixed race | 4.24% | 2.77% | 3.06% |
| Other race | 4.81% | 4.50% | 4.75% |
Here are the best places to live in District of Columbia
These are the 10 most affordable cities in District of Columbia
Top 10 best public schools in Washington
10 Best cities in District of Columbia for employment