Facts About Hillsborough

General information about the city of Hillsborough in California's San Mateo County. See also about San Mateo County and our Guide to Hillsborough.

Quick Facts About Hillsborough
TYPE: Incorporated City
DATE INCORPORATED: May 5, 1910
NAMED AFTER: Hillsboro New Hampshire
SIZE: About 6.2 square miles
POPULATION: Greater than 10,000
ELEVATION: 322 feet above sea level
POSTAL ZIP CODE: 94010
TELEPHONE AREA CODE: 650
COUNTY: San Mateo County
REGION: SF South Bay Area

City of Hillsborough
Official Web site of the city government of Hillsborough, San Mateo County, Northern California. Main Web site sections include Take Survey, Departments, Community, News, Current Topics, and I Want To, About Us, Resident Information, Calendar, Projects, Public Bids,and Drought Information.

History of Hillsborough California
- City of Hillsborough "History" Article
- Hillsborough Blog "History" Article

Wikipedia "Hillsborough" Article
Article with general information and facts about Hillsborough, California. Includes the town's history, geosgraphy, environment, demographics, politics, schools, landmarks, climate, and notable residents.

Introduction to Hillsborough

Map of Hillsborough

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Hillsborough Travel Guide

About San Mateo County

SF South Bay Area of California

California for Visitors

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