States · California · San Joaquin County

Collierville, California.

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

Living in Collierville, San Joaquin County, California

Collierville, in San Joaquin County, had 2,094 people in the 2020 census. Unemployment in San Joaquin County was 6.5% in August 2026, and the county had 0.9% more jobs in 2025 than the year before. The most people in San Joaquin County work in schools and health care, then shops.

People 2,094 in the 2020 census
Household income Too few homes in Collierville for the Census survey to measure.
Unemployment 6.5% San Joaquin County, August 2026; 6.8% a year before
Homes Too few homes in Collierville for the Census survey to measure.
  • 748households
  • 6%below the poverty line
  • 27 mintypical commute

What people in San Joaquin County work in

  • Schools, hospitals and social care21%
  • Shops (retail)12%
  • Professional and business services11%
  • Manufacturing10%
  • Transport, warehouses and utilities9%
  • Building trades8%

Employed residents by industry, from the Census survey. San Joaquin County had 290,380 jobs in 2025, 0.9% more than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in December, 57° and 39°; warmest in July, 92° and 59° 40° 60° 80° 100° J F M A M J J 92° 59° A S O N D 57° 39°
Average daily high and low for each month: coldest in December, 57° and 39°; warmest in July, 92° and 59° 40° 60° 80° 100° J F M A M J J 92° 59° A S O N D 57° 39°

Coldest in December, with highs near 57° and lows near 39°; warmest in July, with highs near 92° and lows near 59°. About 18 inches of rain a year, and little or no snow.

Average daily high and low, 1991–2020, at the Lodi weather station, 8 miles away (NOAA).

Largest workplaces in San Joaquin County

  1. Stockton UnifiedSchool district3,656FTE
  2. AmazonGeneral warehousing and storage3,623
  3. CDCR CA Health Care FacilityCorrectional institutions3,473
  4. Lodi UnifiedSchool district2,827FTE
  5. AmazonGeneral warehousing and storage2,717
  6. St. Josephs Medical CenterGeneral hospital2,389FTE
  7. San Joaquin General HospitalLocal government2,342
  8. Manteca UnifiedSchool district2,254FTE

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 608 workplaces with 20 or more staff, 100,955 people in all across the county; Collierville 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. DroughtVery high
  2. Inland floodingVery high
  3. EarthquakesRelatively high
  4. Heat wavesRelatively high
  5. WildfireRelatively moderate
  6. LightningRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Collierville’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 San Joaquin County.