On February 22, 1920 the first dog race track to employ an imitation rabbit opened in Emeryville.

Pixar is based in Emeryville.

According to the United States Census Bureau, the city has a total area of 5.0 km² (1.9 mi²). 3.2 km² (1.2 mi²) of it is land and 1.8 km² (0.7 mi²) of it is water. The total area is 36.79% water.

There are 3,975 households out of which 10.7% have children under the age of 18 living with them, 18.0% are married couples living together, 8.3% have a female householder with no husband present, and 70.7% are non-families. 55.5% of all households are made up of individuals and 9.0% have someone living alone who is 65 years of age or older. The average household size is 1.71 and the average family size is 2.69.

In the city the population is spread out with 11.4% under the age of 18, 13.4% from 18 to 24, 42.2% from 25 to 44, 23.3% from 45 to 64, and 9.8% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 100.2 males. For every 100 females age 18 and over, there are 100.0 males.

The median income for a household in the city is $45,359, and the median income for a family is $57,063. Males have a median income of $49,333 versus $39,527 for females. The per capita income for the city is $33,260. 13.2% of the population and 6.3% of families are below the poverty line. Out of the total people living in poverty, 4.5% are under the age of 18 and 8.0% are 65 or older.