King County
URL: https://knowledge.ivjn.us/en/places/wa-king-county.html

King County is a county in Washington, United States, with county seat Seattle.

## Administrative divisions

King County is a county in Washington, United States; the county seat is Seattle[^uscb2023].

## Basic facts

- State: [Washington](https://knowledge.ivjn.us/en/places/washington.html)
- County seat: Seattle[^uscb2023]
- Division level: county[^uscb2023]

## Parent division

Located in [Washington](https://knowledge.ivjn.us/en/places/washington.html).

Updated: 2026-10-29

Relations:
- Located in: Washington https://knowledge.ivjn.us/en/places/washington.html
- Contains places: Seattle https://knowledge.ivjn.us/en/places/wa-seattle.html
- Contains places: Bellevue https://knowledge.ivjn.us/en/places/wa-bellevue.html

Mentioned in:
- Washington https://knowledge.ivjn.us/en/places/washington.html

Sources:
- King County (Wikipedia) https://en.wikipedia.org/wiki/King_County
- U.S. Census Bureau 2023 FIPS state and county codes https://www.census.gov/library/reference/code-lists/ansi.html