Larkfield-Wikiup is a community in Sonoma County, California, home to about 8,765 people across 5.3 square miles. It has no ZIP code of its own: it’s part of 95403 and 95404.
Homes sold for a median of $484 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Santa Rosa; part is in Larkfield-Wikiup
Mostly Santa Rosa; part is in Larkfield-Wikiup
Each card is that ZIP code’s whole market, including any part outside Larkfield-Wikiup. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Larkfield-Wikiup’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Oakland San Francisco Bay Airport (OAK)59 miles away |
|---|---|
| Closer regional airport | Charles M. Schulz Sonoma County Airport (STS)4 miles away |
| Nearest city of 250,000+ | San Francisco, CA54 miles away |
| Nearest city of 1 million+ | Los Angeles, CA391 miles away |
Straight-line distances from the center of Larkfield-Wikiup; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Larkfield-Wikiup had 8,492 residents in the 2020 census, up 14% since 2000.
It’s the 525th largest of 1,563 towns in California by population.
Sonoma County grew from 38,480 residents in 1900 to 488,863 in 2020.
Sonoma County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 38°F. About 31.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Santa Rosa, CA weather station (2 miles away).
177,367 jobs at 14,572 businesses in Sonoma County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2,346 doctors and other health care providers list an office in Larkfield-Wikiup’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 290 |
|---|---|
| Specialist doctors | 411 |
| Dentists | 68 |
| Nurse practitioners and physician assistants | 185 |
| Mental health providers | 1,139 |
| Physical and occupational therapists | 163 |
| Optometrists | 35 |
| Chiropractors | 55 |
| Pharmacies | 15 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (9 nearby)
Grocery stores (5 nearby)
Pharmacies
Libraries (3 nearby)
Museums (2 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Santa Rosa Elementary, Piner-Olivet Union Elementary, Mark West Union Elementary and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Brook Hill ElementarySanta Rosa | K–6 | 279 | Public | 3.9 mi |
| Hidden Valley ElementarySanta Rosa | K–6 | 468 | Public | 2.3 mi |
| Jack London ElementarySanta Rosa | K–6 | 258 | Public | 1.2 mi |
| James Monroe ElementarySanta Rosa | K–6 | 315 | Public | 1.5 mi |
| John B. Riebli ElementarySanta Rosa | K–6 | 411 | Charter | 1.6 mi |
| Kawana Springs ElementarySanta Rosa | K–6 | 328 | Public | 4.5 mi |
| Mark West CharterSanta Rosa | K–8 | 124 | Charter | 1.9 mi |
| Mark West ElementarySanta Rosa | K–6 | 425 | Public | 2.0 mi |
| Mattie Washburn ElementarySanta Rosa | K–2 | 535 | Public | 5.1 mi |
| Morrice Schaefer CharterSanta Rosa | K–6 | 304 | Charter | 0.2 mi |
| Pivot Charter School - North BaySanta Rosa | K–12 | 437 | Charter | 1.1 mi |
| Proctor Terrace ElementarySanta Rosa | K–6 | 323 | Public | 3.0 mi |
| San Miguel ElementarySanta Rosa | K–6 | 401 | Charter | 2.7 mi |
| Santa Rosa Charter School for the ArtsSanta Rosa | K–8 | 384 | Charter | 2.6 mi |
| Sonoma County Alternative Education ProgramsSanta Rosa | K–12 | 55 | Alternative Education | 3.8 mi |
| Sonoma County CourtSanta Rosa | K–12 | 42 | Alternative Education | 3.8 mi |
| Sonoma County Special EducationSanta Rosa | K–12 | 169 | Special Education | 3.8 mi |
| Steele Lane ElementarySanta Rosa | K–6 | 447 | Public | 1.6 mi |
| Hilliard Comstock MiddleSanta Rosa | 7–8 | 423 | Public | 1.4 mi |
| Piner-Olivet CharterSanta Rosa | 7–8 | 212 | Charter | 1.2 mi |
| Santa Rosa MiddleSanta Rosa | 7–8 | 452 | Public | 2.9 mi |
| Piner HighSanta Rosa | 9–12 | 1,434 | Public | 1.7 mi |
| Sonoma County ROPSanta Rosa | 10–12 | — | Career and Technical | 3.8 mi |
| Lewis Early Learning AcademySanta Rosa | — | — | Public | 1.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Brush Creek MontessoriSanta Rosa | Pre-K–K | 13 | Nonsectarian | 3.4 mi |
| Sonoma Country Day SchoolSanta Rosa | Pre-K–8 | 280 | Nonsectarian | 3.6 mi |
| St Rose Elementary SchoolSanta Rosa | Pre-K–8 | 305 | Roman Catholic | 1.1 mi |
| Redwood Adventist AcademySanta Rosa | TK–8 | 98 | Seventh-day Adventist | 1.8 mi |
| Anova Center for Education Sonoma CountySanta Rosa | 2–12 | 133 | Nonsectarian | 1.2 mi |
| North Valley SchoolSanta Rosa | 5–12 | 33 | Nonsectarian | 0.6 mi |
| New Horizon School and Learning CenterSanta Rosa | 7–12 | 19 | Nonsectarian | 3.0 mi |
| Cardinal Newman High SchoolSanta Rosa | 9–12 | 550 | Roman Catholic | 1.1 mi |
| Sonoma AcademySanta Rosa | 9–12 | 340 | Nonsectarian | 5.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Santa Rosa.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.