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Rainbow, California.

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

Living in Rainbow, San Diego County, California

Rainbow, in San Diego County, had 1,884 people in the 2020 census. 85% of its homes are lived in by their owners and 15% are rented. Unemployment in San Diego County was 4.9% in August 2026, and the county had 0.1% fewer jobs in 2025 than the year before. The most residents work in schools and health care, then professional services.

People 1,884 in the 2020 census
Household income Too few homes in Rainbow for the Census survey to measure.
Unemployment 4.9% San Diego County, August 2026; 5.1% a year before
Homes 85% lived in by their owners; 15% rented
  • 681households
  • 34%of adults have a degree
  • 8%below the poverty line
  • 33 mintypical commute
  • 10%work from home

What residents work in

  • Schools, hospitals and social care20%
  • Professional and business services19%
  • Farming, forestry and mining14%
  • Building trades12%
  • Restaurants, hotels and entertainment9%
  • Banks, insurance and property7%

Employed residents by industry, from the Census survey. San Diego County had 1,535,067 jobs in 2025, 0.1% fewer than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in February, 67° and 46°; warmest in August, 89° and 62° 40° 50° 60° 70° 80° 90° J F 67° 46° M A M J J A 89° 62° S O N D
Average daily high and low for each month: coldest in February, 67° and 46°; warmest in August, 89° and 62° 40° 50° 60° 70° 80° 90° J F 67° 46° M A M J J A 89° 62° S O N D

Coldest in February, with highs near 67° and lows near 46°; warmest in August, with highs near 89° and lows near 62°. About 15 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Fallbrook Northeast weather station, 4 miles away (NOAA).

Largest workplaces in Rainbow

  1. Integrity GolfGolf course construction393
  2. SCW ContractingWater well pump and well piping system installation80
  3. Southwest Boulder & StoneStone, building or crushed, merchant wholesalers71
  4. Naton TractorExcavating, earthmoving, or land clearing contractors33
  5. Vallecitos Elementary SchoolsSchool district26FTE

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 4 workplaces with 20 or more staff, 577 people in all. School districts come from the Common Core of Data (NCES, 2023–24); 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. WildfireVery high
  2. LandslidesRelatively moderate
  3. Earthquakesrelatively high in parts of RainbowRelatively moderate
  4. Inland floodingrelatively high in parts of RainbowRelatively moderate

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