21045 Columbia, MD is a vibrant community located just outside of Baltimore. With a population of 39,730 as of 2019 and a population density of 4,314 people per square mile, 21045 Columbia, MD is a welcoming city with plenty to do. Local businesses include restaurant chains like Old Line Bistro and Firebirds Wood Fired Grill, as well as specialty stores like Uncle Wiggly's Musical Emporium. For year-round outdoor activities there are options like Meadowbrook Park and Historic Oakland Manor. Other local organizations include the Howard County Library System and the Columbia Association Parks & Recreation. There are also many sporting events hosted in the area all year round, such as basketball games at Long Reach High School and cycling races at Centennial Park.
The population in Columbia (zip 21045) is 39,730. There are 4,093 people per square mile aka population density. The median age in Columbia (zip 21045) is 38.1, the US median age is 38.4. The number of people per household in Columbia (zip 21045) is 2.7, the US average of people per household is 2.6.
Family in Columbia (zip 21045)
- 51.3% are married
- 10.5% are divorced
- 35.3% are married with children
- 15.6% have children, but are single
Race in Columbia (zip 21045)
- 42.7% are White
- 29.4% are Black
- 12.1% are Asian
- 0.3% are Native American
- 0.4% claim Other
- 10.7% claim Hispanic ethnicity
- 4.5% Two or more races
- 0.0% Hawaiian, Pacific Islander