States · California · Contra Costa County

Vine Hill, 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 Vine Hill, Contra Costa County, California

Vine Hill, in Contra Costa County, had 4,323 people in the 2020 census. 79% of its homes are lived in by their owners and 21% are rented. 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 4,323 in the 2020 census; median age 42.2
Household income Too few homes in Vine Hill for the Census survey to measure.
Unemployment 5.0% Contra Costa County, August 2026; 5.2% a year before
Homes 79% lived in by their owners; 21% rented
  • 1,261households
  • 32%of adults have a degree
  • 10%below the poverty line
  • 31 mintypical commute

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, 2 miles away (NOAA).

Largest workplaces in Vine Hill

  1. Raymond - Northern CaliforniaDrywall contractors129
  2. Service Champions MartinezHeating, ventilation and air-conditioning contractors76
  3. Engineering/Remediation Resources GroupEnvironmental remediation services64
  4. Contra Costa CountyMedical care management services55
  5. BrightviewLandscaping services53
  6. AT&T Services, Inc. WF9AFWired telecommunications carriers41
  7. SavATreeTree services29

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 7 workplaces with 20 or more staff, 447 people in all. 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. EarthquakesVery high
  2. Inland floodingRelatively high
  3. Coastal floodingRelatively moderate
  4. Heat wavesRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Vine Hill’s census tracts, against the rest of the country; all of them together, very high. 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.