States · California · Contra Costa County

Mountain View, California.

A community in Contra Costa County, with no city government of its own. Zillow publishes no home prices for it: see Contra Costa County’s.

Living in Mountain View, Contra Costa County, California

Mountain View, in Contra Costa County, had 2,622 people in the 2020 census. Half its households earn more than $94,046 a year and half less, against $127,229 across Contra Costa County; 11% of its people live below the poverty line. Unemployment in Contra Costa County was 5.0% in August 2026, and the county had 0.1% more jobs in 2025 than the year before. The most people in Contra Costa County work in schools and health care, then professional services.

People 2,622 in the 2020 census
Household income $94,046 the median, give or take $20,816 · Contra Costa County: $127,229
Unemployment 5.0% Contra Costa County, August 2026; 5.2% a year before
Homes Too few homes in Mountain View for the Census survey to measure.
  • 1,031households
  • 32%of adults have a degree
  • 11%below the poverty line
  • 15%work from home

What people in Contra Costa County work in

  • Schools, hospitals and social care23%
  • Professional and business services18%
  • Shops (retail)10%
  • Restaurants, hotels and entertainment8%
  • Building trades8%
  • Banks, insurance and property7%

Employed residents by industry, from the Census survey. Contra Costa County had 374,448 jobs in 2025, 0.1% more than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 56° and 35°; warmest in July, 88° and 51° 30° 40° 50° 60° 70° 80° 90° J 56° 35° F M A M J J 88° 51° A S O N D
Average daily high and low for each month: coldest in January, 56° and 35°; warmest in July, 88° and 51° 30° 40° 50° 60° 70° 80° 90° J 56° 35° F M A M J J 88° 51° A S O N D

Coldest in January, with highs near 56° and lows near 35°; warmest in July, with highs near 88° and lows near 51°. About 19 inches of rain a year, and little or no snow.

Average daily high and low, 1991–2020, at the Martinez Wtp weather station, under a mile away (NOAA).

Largest workplaces in Contra Costa County

  1. West Contra Costa UnifiedSchool district2,751FTE
  2. Contra Costa Regional Medical CenterGeneral hospital2,584FTE
  3. San Ramon Valley UnifiedSchool district2,519FTE
  4. 24 Hour Home CareSenior citizens centers2,496
  5. Mt. Diablo UnifiedSchool district2,466FTE
  6. John Muir Medical Center - WCGeneral hospital2,143FTE
  7. Antioch UnifiedSchool district1,552FTE
  8. JT Thorpe and SonRefractory fireproofing1,523

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 573 workplaces with 20 or more staff, 81,677 people in all across the county; Mountain View has none of its own. School districts come from the Common Core of Data (NCES, 2023–24) and hospitals from their Medicare cost reports (CMS, 2023); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. EarthquakesRelatively high
  2. Inland floodingRelatively moderate
  3. Heat wavesRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Mountain View’s census tracts, against the rest of the country; all of them together, relatively moderate. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Contra Costa County.