cbsas
Canonical Core-Based Statistical Area (CBSA) dimension. Covers Metropolitan and Micropolitan Statistical Areas per OMB 2023 delineation. Primary key is cbsa_code (5-character, zero-padded). Use for metro-level joins.
tier aTier A: official OMB delineation.
overview
overview
937 rows — all Metropolitan and Micropolitan Statistical Areas (OMB 2023).
current vintage — 2023
provenance
source & licensing
authority
U.S. Office of Management and Budget
dataset
OMB CBSA delineation (Bulletin 23-01)
license
Public domain (U.S. Federal Government work)
citation
U.S. Office of Management and Budget, Bulletin 23-01, CBSA delineations, 2023.
schema
fields
| name | type | definition |
|---|---|---|
| cbsa_codekey | string | 5-character, zero-padded Core-Based Statistical Area (CBSA) code assigned by OMB. Primary key of the table; use for metro-level joins.Part of primary key. Joins dim.cbsas on cbsa_code. |
| cbsa_name | string | Official OMB CBSA name, formatted as principal cities followed by state abbreviations (e.g. "Los Angeles-Long Beach-Anaheim, CA"). |
| country_id | string | ISO alpha-2 country code (always 'US' for domestic tables). |
relationships
joins
primary key
cbsa_code
common joins
not provided
usage
how to use this table
method
Loaded from the Census delineation file (OMB Bulletin 23-01); no derivation.
do not use for
CBSA-to-county membership; pre-2023 delineations.
last updated · Jul 7, 2026