San Francisco County

E15401

consolidated city-county county

San Francisco County is a densely populated, culturally diverse urban county on the tip of the San Francisco Peninsula, encompassing the city of San Francisco and serving as a major economic and technological hub in California.

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All labels observed (4)

Label	Occurrences
City and County of San Francisco	457
San Francisco County canonical	108
San Francisco County, California	6
Government of the City and County of San Francisco	1

How this entity was disambiguated

This entity first appeared as the object of triple T22108 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: San Francisco County
Context triple: [Northern California, contains, San Francisco County]

A. Sacramento County
Sacramento County is a county in Northern California that includes the state capital, Sacramento, and serves as a major political and economic hub of the region.
B. San Mateo County, California
San Mateo County, California is a coastal county in the San Francisco Bay Area known for its affluent communities, tech industry presence, and proximity to both San Francisco and Silicon Valley.
C. Santa Clara
Santa Clara is a Silicon Valley city in California known for its high-tech industry presence, Levi’s Stadium, and Santa Clara University.
D. Humboldt County
Humboldt County is a rural coastal county in far Northern California known for its redwood forests, rugged Pacific shoreline, and strong cannabis-growing culture.
E. Mendocino County
Mendocino County is a coastal county in Northern California known for its rugged Pacific shoreline, redwood forests, and wine-producing Anderson Valley.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: San Francisco County
Target entity description: San Francisco County is a densely populated, culturally diverse urban county on the tip of the San Francisco Peninsula, encompassing the city of San Francisco and serving as a major economic and technological hub in California.

A. Sacramento County
Sacramento County is a county in Northern California that includes the state capital, Sacramento, and serves as a major political and economic hub of the region.
B. San Mateo County, California
San Mateo County, California is a coastal county in the San Francisco Bay Area known for its affluent communities, tech industry presence, and proximity to both San Francisco and Silicon Valley.
C. Santa Clara
Santa Clara is a Silicon Valley city in California known for its high-tech industry presence, Levi’s Stadium, and Santa Clara University.
D. Humboldt County
Humboldt County is a rural coastal county in far Northern California known for its redwood forests, rugged Pacific shoreline, and strong cannabis-growing culture.
E. Mendocino County
Mendocino County is a coastal county in Northern California known for its rugged Pacific shoreline, redwood forests, and wine-producing Anderson Valley.
F. None of above. chosen

Statements (63)

Predicate	Object
instanceOf	consolidated city-county ⓘ county ⓘ
borders	Marin County ⓘ San Mateo County ⓘ linked to: San Mateo County, California
bordersBodyOfWater	Golden Gate ⓘ linked to: Golden Gate Bridge Pacific Ocean ⓘ San Francisco Bay ⓘ
climate	Mediterranean climate ⓘ
contains	City and County of San Francisco ⓘ linked to: San Francisco County San Francisco ⓘ
country	United States ⓘ linked to: United States of America
countySeat	San Francisco ⓘ
demographicCharacteristic	ethnically diverse population ⓘ large immigrant population ⓘ
executiveHead	Mayor of San Francisco ⓘ
federalCongressionalDistrict	California's 11th congressional district ⓘ
governingBody	San Francisco Board of Supervisors ⓘ
governmentType	consolidated city-county government ⓘ
hasInstitution	Port of San Francisco ⓘ San Francisco City Hall ⓘ San Francisco International Airport ⓘ San Francisco State University ⓘ University of San Francisco ⓘ
hasLandmark	Alcatraz Island ⓘ Chinatown, San Francisco ⓘ linked to: Chinatown Coit Tower ⓘ Fisherman's Wharf ⓘ linked to: Fisherman’s Wharf Golden Gate Bridge ⓘ Golden Gate Park ⓘ Lombard Street ⓘ Palace of Fine Arts ⓘ Presidio of San Francisco ⓘ Twin Peaks ⓘ Union Square ⓘ
hasPublicTransitSystem	Bay Area Rapid Transit ⓘ linked to: BART San Francisco Municipal Railway ⓘ linked to: San Francisco Muni
hasSignificantLanguageCommunity	Chinese ⓘ Spanish ⓘ Tagalog ⓘ
isCoastal	true ⓘ
isEconomicHubFor	Bay Area ⓘ linked to: San Francisco Bay Area
isIslandLike	true ⓘ
isTechnologyHubFor	Northern California ⓘ
isUrban	true ⓘ
knownFor	cultural diversity ⓘ financial services ⓘ high population density ⓘ technology industry ⓘ tourism ⓘ
languageMajority	English ⓘ
largestCity	San Francisco ⓘ
locatedInRegion	San Francisco Bay Area ⓘ
locatedInTimeZone	Pacific Time Zone ⓘ
locatedOn	San Francisco Peninsula ⓘ
majorEconomicSector	finance ⓘ professional services ⓘ technology ⓘ tourism ⓘ
namedAfter	Saint Francis of Assisi ⓘ
partOf	Northern California ⓘ San Francisco–Oakland–Berkeley metropolitan area ⓘ linked to: San Francisco Bay Area San Jose–San Francisco–Oakland combined statistical area ⓘ linked to: San Francisco Bay Area
state	California ⓘ linked to: California, United States

How these facts were elicited