ZIP 98501 → CBSA & State Information
Key Facts
- ZIP Code:
- 98501
- City:
- OLYMPIA
- State:
- WA
- CBSA:
- Olympia-Lacey-Tumwater, WA (36500)Metropolitan
- Residential Share:
- 100.0%
About ZIP 98501
ZIP code 98501 is located in OLYMPIA in WA. This ZIP code is part of the Olympia-Lacey-Tumwater, WA, a Metropolitan Statistical Area designated by the U.S. Office of Management and Budget (OMB) as CBSA code 36500. Approximately 100.0% of the addresses in this ZIP code are residential, with the remaining NaN% being business addresses.
This data is sourced from the HUD-USPS ZIP Code Crosswalk Files and the U.S. Census Bureau's CBSA delineations, last updated in 2024. The crosswalk provides mappings between ZIP codes and various geographic entities including CBSAs, counties, and congressional districts.
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.
What's the difference between Metropolitan and Micropolitan?
Metropolitan Statistical Areas have at least one urbanized area of 50,000 or more population. Micropolitan Statistical Areas have at least one urban cluster of at least 10,000 but less than 50,000 population.
Why do some ZIPs map to multiple CBSAs?
Some ZIP codes span county boundaries and may overlap multiple CBSAs. In these cases, the primary CBSA is determined by the largest share of addresses within that ZIP code.