States · California · Contra Costa County

Pacheco, 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 Pacheco, Contra Costa County, California

Pacheco, in Contra Costa County, had 4,183 people in the 2020 census. Half its households earn more than $101,210 a year and half less, against $127,229 across Contra Costa County; 13% of its people live below the poverty line. 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 residents work in schools and health care, then construction.

People 4,183 in the 2020 census; median age 42.9
Household income $101,210 the median, give or take $19,073 · Contra Costa County: $127,229
Unemployment 5.0% Contra Costa County, August 2026; 5.2% a year before
Homes 79% lived in by their owners; 21% rented
  • 1,603households
  • 23%of adults have a degree
  • 13%below the poverty line
  • 25 mintypical commute
  • 11%work from home

What residents work in

  • Schools, hospitals and social care22%
  • Building trades15%
  • Shops (retail)11%
  • Transport, warehouses and utilities10%
  • Restaurants, hotels and entertainment8%
  • Professional and business services7%

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, 58° and 42°; warmest in July, 88° and 58° 40° 50° 60° 70° 80° 90° J 58° 42° F M A M J J 88° 58° A S O N D
Average daily high and low for each month: coldest in January, 58° and 42°; warmest in July, 88° and 58° 40° 50° 60° 70° 80° 90° J 58° 42° F M A M J J 88° 58° A S O N D

Coldest in January, with highs near 58° and lows near 42°; warmest in July, with highs near 88° and lows near 58°. About 18 inches of rain a year, and little or no snow.

Average daily high and low, 1991–2020, at the Concord Wwtp 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; Pacheco has one 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. Inland floodingVery high
  2. EarthquakesVery high
  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 Pacheco’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.