CBSA Codes Database

Core-Based Statistical Areas

U.S. government Core-Based Statistical Areas Defined by the Office of Management and Budget, these are geographic locations neighboring urban areas of at least 10,000 people and/or are socioeconomically tied to the urban center by commuting. Prior to year 2000, these were collectively known as MSA- Metropolitan Statistical Areas and Micropolitan Statistical Areas. 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.

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Core-Based Statistical Areas - CBSA

In the year 2000, the Office of Management and Budget updated 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. If you would like to have both MSAs and CBSAs (a CBSA-MSA combination), call us and we could create a custom ZIP to CBSA MSA product for you. There are two major sub-classes in CBSA Codes:
  • Population from 10,000 up to 50,000 people (a.k.a. Micropolitan Statistical Areas)
  • Population of 50,000 or more people (a.k.a. Metropolitan Statistical Areas)

Layout

Due to the amount of data, the files are normalized to minimize the amount of duplicate information. The following files are included with this product:
  • Zip‐CBSA - Contains one record for each Zip Code with the corresponding CBSA Code, Division Code, State Abbreviation, City, and County. Note: Rural records will not contain CBSA codes. Also, this file does not include military APO/FPO records, U.S. Virgin Islands and territories in the South Pacific.
  • CBSA‐List - Contains CBSA Code, CBSA Name, CBSA Type (Metro, Micro), Latest Population Estimate, and Rank.
  • State‐CBSA - Contains State Abbreviation and CBSA number for each CBSA in a state.
  • Division - Contains the breakdown of each division within a CBSA. It has the latest population estimate for that division.
  • CSA‐Master - Contains all CSA codes and corresponding CBSA codes.
  • CSA‐List - Contains CSA number, CSA Name, Latest Population Estimate and Rank.
  • State‐CSA - Contains state abbreviation and CSA number for each CSA in a state.

Database Specs

Data Format - CSV

Comma-Separated Values (CSV) Text File

CBSA ZIP Code

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

City

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

State

Official U.S. Postal Service State Abbreviation

County

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

CBSA Code

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

CBSA Name

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

CBSA Type

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

Rank

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

CBSA Est. Population

Current U.S. Census population estimates per CBSA Code

Division Code

Code assigned to geographic areas having more than 2.5 million people

Division Name

Name assigned to Division Code

Division Est. Population

Current U.S. Census population estimates per Division Code

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We are licensees of USPS database products, but we enhance our data based on decades of experience to provide you with the most accurate ZIP to CBSA product available.

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Learn more

View the CBSA ZIP Code Product Documentation
Video - How to use the CBSA Spreadsheet
Video - Why Accuracy Matters

Related Links

CBSA Codes with MSA Codes   (Core-Based Statistical Areas and Metropolitan Statistical Areas)
Medicare CBSA Codes Database   (Medicare Core-Based Statistical Areas)
Rural Urban ZIP Codes Database   (Rural Urban Suburban Codes)