The 20510 zip code of the United States Senate in Washington, D.C. is a densely populated urban area with a population of 329,725,481 within its population density of 93 people per square mile. The area has many local businesses such as grocery stores, restaurants, and cafes that offer a variety of goods and services to the local community. Additionally there are a number of year-round outdoor activities such as biking, hiking, golfing and boating available to residents and visitors alike. There are also several organizations in the area that focus on a variety of topics including social justice initiatives and environmental protection issues. Lastly, local sporting events on the college or professional level have been known to draw large crowds from all around the country to witness their favorite teams compete in games held in Washington D.C..