States · California · Sonoma County

Larkfield-Wikiup, California.

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

Living in Larkfield-Wikiup, Sonoma County, California

Larkfield-Wikiup, in Sonoma County, had 8,492 people in the 2020 census. Half its households earn more than $97,071 a year and half less, against $104,674 across Sonoma County; 6% of its people live below the poverty line. 70% of its homes are lived in by their owners and 30% are rented. Unemployment in Sonoma County was 4.5% in August 2026, and the county had 0.2% fewer jobs in 2025 than the year before. The most residents work in schools and health care, then manufacturing.

People 8,492 in the 2020 census; median age 39.2
Household income $97,071 the median, give or take $8,828 · Sonoma County: $104,674
Unemployment 4.5% Sonoma County, August 2026; 4.8% a year before
Homes 70% lived in by their owners; 30% rented
  • 3,278households
  • 35%of adults have a degree
  • 6%below the poverty line
  • 20 mintypical commute
  • 12%work from home

What residents work in

  • Schools, hospitals and social care26%
  • Manufacturing15%
  • Restaurants, hotels and entertainment12%
  • Shops (retail)11%
  • Banks, insurance and property8%
  • Professional and business services8%

Employed residents by industry, from the Census survey. Sonoma County had 206,393 jobs in 2025, 0.2% fewer than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in December, 58° and 37°; warmest in August, 84° and 52° 30° 40° 50° 60° 70° 80° 90° J F M A M J J A 84° 52° S O N D 58° 37°
Average daily high and low for each month: coldest in December, 58° and 37°; warmest in August, 84° and 52° 30° 40° 50° 60° 70° 80° 90° J F M A M J J A 84° 52° S O N D 58° 37°

Coldest in December, with highs near 58° and lows near 37°; warmest in August, with highs near 84° and lows near 52°. About 34 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Santa Rosa Sonoma County Airport weather station, 3 miles away (NOAA).

Largest workplaces in Larkfield-Wikiup

  1. Sutter Santa Rosa Regional HospitalGeneral hospital768FTE
  2. Sutter Bay Medical FoundationHealthcare152
  3. Sutter Outpatient ServicesHealthcare149
  4. Mark West Union Elementary SchoolsSchool district140FTE
  5. Luther Burbank Memorial FoundationPerforming arts center operators125
  6. Northwest General EngineeringDirt moving for construction110
  7. Sutter HealthHealthcare35
  8. GcciCommercial building construction23

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 7 workplaces with 20 or more staff, 2,662 people in all. Hospitals come from their Medicare cost reports (CMS, 2023) and school districts 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. EarthquakesVery high
  2. Inland floodingVery high
  3. DroughtRelatively high
  4. Wildfirerelatively high in parts of Larkfield-WikiupRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Larkfield-Wikiup’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 Sonoma County.