CBSA 42220 — Santa Rosa-Petaluma, CA
- CBSA Code:
- 42220
- States:
- CA
- Principal Cities:
- CALISTOGA, SAINT HELENA, BODEGA
- Total ZIP Codes:
- 54
- Avg Residential Share:
- 81.7%
- Counties:
- 1
ZIP Code Distribution
About Santa Rosa-Petaluma, CA
The Santa Rosa-Petaluma, CA is a Metropolitan Statistical Area designated by the U.S. Office of Management and Budget. This CBSA (Core Based Statistical Area) encompasses 54 ZIP codes across CA. The principal cities are CALISTOGA, SAINT HELENA, BODEGA.
Metropolitan Statistical Areas have at least one urbanized area of 50,000 or more population, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties.
Counties in Santa Rosa-Petaluma, CA
, CA
ZIP Codes in Santa Rosa-Petaluma, CA
This CBSA contains 54 ZIP codes across 1 state(s).
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Frequently Asked Questions
What is a CBSA?
A Core Based Statistical Area (CBSA) is a U.S. geographic area defined by the Office of Management and Budget (OMB) that consists of one or more counties anchored by an urban center of at least 10,000 people plus adjacent counties that are socioeconomically tied to the urban center by commuting.
How are CBSAs defined?
CBSAs are defined based on commuting patterns and economic integration. The OMB updates these definitions every 10 years based on Census data, with minor updates in between.
Can a ZIP code be in multiple CBSAs?
While ZIP codes are assigned to a single primary CBSA, some ZIPs do span CBSA boundaries. In these cases, the assignment is based on where the majority of addresses are located.