|Mountain View, California|
|— CDP —|
Location in Contra Costa County and the state of California
|- Senate||Tom Torlakson (D)|
|- Assembly||Guy Houston (R)|
|- U. S. Congress||George Miller (D)|
|- Total||0.3 sq mi (0.7 km2)|
|- Land||0.3 sq mi (0.7 km2)|
|- Water||0.0 sq mi (0.0 km2)|
|Elevation||108 ft (32 m)|
|- Density||8,226.7/sq mi (3,525.7/km2)|
|Time zone||PST (UTC-8)|
|- Summer (DST)||PDT (UTC-7)|
Mountain View is located at .
According to the United States Census Bureau, the CDP has a total area of 0.3 square miles (0.7 km²), all of it land.
As of the census of 2000, there were 2,468 people, 959 households, and 589 families residing in the CDP. The population density was 8,729.1 people per square mile (3,403.2/km²). There were 995 housing units at an average density of 3,519.2/sq mi (1,372.0/km²). The racial makeup of the CDP was 84.00% White, 2.07% Black or African American, 1.30% Native American, 2.23% Asian, 0.28% Pacific Islander, 4.74% from other races, and 5.39% from two or more races. 14.51% of the population were Hispanic or Latino of any race.
There were 959 households out of which 35.3% had children under the age of 18 living with them, 40.0% were married couples living together, 14.8% had a female householder with no husband present, and 38.5% were non-families. 27.3% of all households were made up of individuals and 6.5% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.07.
In the CDP the population was spread out with 26.3% under the age of 18, 8.3% from 18 to 24, 37.0% from 25 to 44, 20.7% from 45 to 64, and 7.8% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 97.1 males. For every 100 females age 18 and over, there were 98.9 males.
The median income for a household in the CDP was $51,986, and the median income for a family was $52,857. Males had a median income of $42,685 versus $34,583 for females. The per capita income for the CDP was $26,071. About 5.4% of families and 8.5% of the population were below the poverty line, including 3.6% of those under age 18 and 13.6% of those age 65 or over.