Columbia, Maryland Map and Directory
Regional Directory > States Menu > Maryland
According to the United States Census Bureau, Columbia is a Census-designated Place that is located in Howard County, Maryland at 39.24 degrees North and 76.84 degrees West.
The place's time zone is America/New York, and the place's primary telephone area code is 410.
The land area of Columbia is about 31.93 square miles, whereas the water area of the place is about 0.26 square miles.
Howard County's land area is about 251 square miles, so the place occupies about 12.7 percent of the county's total land area.
The Census Bureau estimates that Columbia had about 103,991 residents in 2019, which is approximately 3,257 people per square mile of land area.
According to recent American Community Survey data, the median household income in Columbia was about $108,352 per year.
The Maryland counties map at upper right shows Howard County, highlighted in red. Use the menu below to display interactive maps of Columbia, either in a frame on this page or in full-screen mode.
Use the menu below to display categorized Columbia directories.
Selected Columbia, Maryland Listings
These randomly selected Columbia listings provide some insight into the place's cultural environment and economic climate.- Carpet, Rug & Upholstery Services
- Carpet, Rug & Upholstery Storage & Repair
- Carpet & Rug Installation
- Plumbing Service & Repair
- Printing Equipment & Supplies Dealers
- Medical Equipment & Supplies Retail
- Financial Planning Consultants & Services
- Personal Financial Services
- Investment Services
- Investment Advisory Services
- Sports & Recreation Facilities
- Health Clubs & Gyms
- Engineers
- Civil Engineers
- Structural Engineers
- Event Planning
- Party Planning
- Bakeries
- Printing Services
- Copying & Duplicating Services
- Bookbinding
- Color Copying Services
- Psychiatry Physicians
- Elementary & Secondary Education
- Preschools & Kindergartens
- Private Schools
- Business Consultants & Advisors
- Advertising
- Advertising Agencies & Consultants
- Advertising & Design Agencies
- Land Surveyors
- Surveyors
- Surveying Services
- Land Surveyors Commercial
- Electric & Electronic Equipment & Supplies
- Consumer Electronics Stores
- Electric Equipment & Supplies Wholesale & Manufacturers
- Energy & Environment
- Solar Energy Systems & Services Retail
- Solar Energy Contractors
- Exercise & Fitness Classes & Instruction
- Gymnastics Instruction
Nearby Maryland Cities and Towns *
- Catonsville (3) - Catonsville, Maryland information and maps.
- Elkridge (2) - Elkridge, Maryland information and maps.
- Ellicott City (4) - Ellicott City, Maryland information and maps.
- Jessup (1) - Jessup, Maryland information and maps.
- Laurel (5) - Laurel, Maryland demographics and maps.
- Pikesville (2) - Pikesville, Maryland information and maps.
- Sykesville (3) - Sykesville, Maryland information and maps.
* Parenthesized numbers indicate economic activity levels.
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