There are 50 King County Library System locations in the United States of America as of March 17, 2026. The state or territory with the most King County Library System locations is Washington, with 50 sites, accounting for roughly 100.0% of the total.


King County Library System operates 50 United States of America locations across 1 states. Largest clusters are in Washington; the top 10 states contain 100.0% of sites. Coverage is thinner in Washington.

King County Library System shows strong visitor engagement: 24 locations are above the mean traffic score (mean: 53.14) and 6 qualify as highly visited.
The King County Library System operates 50 locations, all situated in Washington state, accounting for 100% of its presence. Each location serves an average population of 153,771, marking Washington as both the best-access and most-stretched state for the system. The top three and top ten states by location count are exclusively Washington, reflecting a concentrated geographic focus.
Locations concentrate around major metros such as King. The top 10 cities account for 100.0% of U.S. sites.

The King County Library System in the United States has a total of 50 locations, all situated in King, Washington. This city accounts for 100% of the system's locations, making it the sole city served by the library brand.
Street-level clusters show corridors where multiple King County Library System locations sit within the same neighborhood indicating strong local presence and coherence. King County Library System operates a total of 50 nationwide.

The complete dataset of King County Library System locations across the United States of America is available for download, including coordinates, traffic patterns, and operational status.

King County Library System has 50 locations across the United States of America. The key variables shows the most infleuntial aspects for King County Library System locations nationwide. This provides a closer look of how King County Library System is operating from different prespectives.

The King County Library System operates in Washington, which has a land area of approximately 184,668 km². Washington is both the largest and smallest state listed, with 50 library locations. This reflects a focused geographic presence within a single state.

The King County Library System in Washington operates 50 locations, all of which are currently open. This results in a 100% open rate with no closed branches reported.
This view compares activity near King County Library System locations across states. Using traffic scores observed around 50 sites, it highlights the busiest markets, states with a high share of above-average locations, and areas where activity is comparatively light. Use it to benchmark performance, prioritize field operations, and spot expansion or optimization opportunities.

The King County Library System in the United States has 12 busy locations out of 50 total in Washington state, representing 24% of its sites. Washington is the only state listed for the system's busy locations.
This section summarizes customer sentiment toward King County Library System. Using ratings and review totals from 50 locations, we highlight where scores are consistently high and where feedback volume is greatest. Average star ratings reflect perceived quality, while total reviews indicate engagement and reach across the network.

The King County Library System has its highest average rating of 4.6 in Washington. This state also leads in the number of reviews, totaling 5,774. No other states are listed with comparable ratings or review counts.
The King County Library System received the highest number of reviews from Washington, totaling 5,774. Washington also recorded the highest average rating for the brand at 4.6. These figures highlight Washington as the leading state in both review volume and customer satisfaction for the library system.

The King County Library System in the United States of America has complete phone coverage in Washington state, with all 50 locations equipped with phone service. This results in a 100% phone coverage rate for the state.
King County Library System POI data enables clear measurement of footprint and demand. Analysts can rank states and cities by location count, compare coverage on a per-capita basis, and use traffic scores and review volumes to spot high-performing markets and under-served pockets. The result is an objective view of saturation, growth opportunities, and performance outliers.
For network planning, the data supports scoring candidate trade areas using location density, population per location, and nearby traffic intensity. Teams can evaluate cannibalization risk via nearest-store distance, surface whitespace along key corridors, and prioritize sites near retail anchors, campuses, or transit where observed activity is strongest.
Planners can map clusters and service gaps to understand commercial access at the neighborhood level. Per-capita coverage highlights communities with limited access, while changes in openings or closures signal shifts in activity. These insights inform corridor revitalization, streetscape and transit planning, and data-driven zoning decisions.