ZIP CodeStandard
21045
Columbia, MD
ZIP Code 21045 in Columbia, MD has a population of 39,321 and a median household income of $118,563. Explore Census demographics, housing, and a map.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
39,321
People
Median age
39.6
Housing
Total households
15,414
Income
Median household income
$118,563
Housing
Total housing units
15,780
Employment
Employment rate
65.7%
Education
Bachelor’s degree or higher
56.6%
Healthcare
Insured population
94%
Nearby ZIP codes
ZIP codes near 21045.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS