CBSA Codes with MSA Codes Database

Core-Based Statistical Areas + Metropolitan Statistical Areas

Core-Based Statistical Areas are geographic locations neighboring urban areas of 10,000+ population and/or are socioeconomically tied to the urban center by commute proximity. Prior to the year 2000, these were collectively known as MSAs -- Metropolitan Statistical Areas. MSAs only covered metro areas of 50,000 people or more. An exclusive feature of GreatData CBSA Data is that the population statistics are calculated annually. Therefore, the CBSA rank is based on a more recent population than typical census data classifications.

This product includes both CBSAs and MSAs (Metropolitan Statistical Areas)

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Core-Based Statistical Areas - CBSA

Starting year 2000, the Office of Management and Budget changed the way market areas are defined under the acronym CBSA (formerly know by SMSAs, MSAs, CMSAs, etc.). Immediately prior to year 2000, (MSA) codes covered about 80 percent of the country, where as the new CBSA codes cover about 93 percent. There are two major sub-classes in CBSA Codes:


The following files are included with this product (The files are normalized to minimize the amount of duplicate information):

Database Specs

Comma-Separated Values (CSV) Text File

Official U.S. Postal Service five digit ZIP Code (ZIP to CBSA)

Official city name used by the U.S. Postal Service

Official U.S. Postal Service State Abbreviation

The name of the county in which the ZIP Code is found.

Geographic location code as defined by the Office of Management and Budget

Geographic location name as defined by the Office of Management and Budget

A CBSA sub-classification:
Micro - 10,000 to 50,000 population
Metro - 50,000 + population

A sequence number for each record indicating the greatest population to the least

Current U.S. Census population estimates per CBSA Code

Code assigned to geographic areas having more than 2.5 million people

Name assigned to Division Code

Current U.S. Census population estimates per Division Code

Metropolitan Statistical Area Code

Metropolitan Statistical Area Name

Metropolitan Statistical Area Type

Database Sources

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View the CBSA-MSA ZIP Code Product Documentation / Watch our Accuracy Matters video

Related Links

CBSA Codes Database   (Non-Medicare Core-Based Statistical Areas)
Medicare CBSA Codes Database   (Medicare Core-Based Statistical Areas)
Rural Urban ZIP Codes Database   (Rural Urban Suburban Codes)