Events

The annual county fair is held at the Alameda County Fairgrounds in Pleasanton. The fair runs for three weekends from June to July. Attractions include horse racing, carnival rides, 4-H exhibits, and live bands.

Geography[edit]

View of downtown Oakland looking west across Lake Merritt.

View of Berkeley and the San Francisco Bay at nightfall.

The reconstructed mission at Mission San José (located in Fremont).

According to the U.S. Census Bureau, the county has a total area of 821 square miles (2,130 km²), of which 739 square miles (1,910 km²) is land and 82 square miles (210 km²) (10%) is water.^[9]

The San Francisco Bay borders the county on the west, and the City and County of San Francisco, California has a small land border with the city of Alameda due to land filling.^[10] The crest of the Berkeley Hills form part of the northeastern boundary, and reach into the center of the county. A coastal plain several miles wide lines the bay; and is Oakland's most populous region. Livermore Valley lies in the eastern part of the county.

The Hayward Fault, a major branch of the San Andreas Fault to the west, runs through the most populated parts of Alameda County, while the Calaveras Fault runs through the southeastern part of the county.

National protected area[edit]

• Don Edwards San Francisco Bay National Wildlife Refuge (part)

Demographics[edit]

A 2014 analysis found Alameda County to be the 4th most racially diverse county in the United States.^[11]

2011[edit]

[show]Population, race, and income

Places by population, race, and income[edit]