Where is Sonoma County,Sonoma, California?

Written by | Last Updated: November 19, 2025, 12:28 PM ET

Sonoma County is located in California, USA. It lies between San Francisco and the Pacific Coast and is situated in the North Bay region of the San Francisco Bay Area. It is famous for its vineyards, wine production, scenic landscapes, and coastal areas.

Sonoma County Location Map,Sonoma, California

Top Attractions Inside Sonoma County

  • Sonoma Plaza – Historic town square with shops, restaurants, and tasting rooms.
  • Sonoma Coast State Park – Rugged coastline with scenic beaches and hiking trails.
  • Russian River – Popular for kayaking, canoeing, and riverside picnics.
  • Wine Country Wineries – Numerous vineyards offering wine tastings and tours.
  • Jack London State Historic Park – Historic home and trails honoring the famous author.
  • Bodega Bay – Coastal town known for seafood, beaches, and ocean views.

Sonoma County Facts

Official NameSonoma County
LocationSonoma, Sonoma County, California, USA — North Bay region / Northern California / Wine Country
Latitude & Longitude38.4496° N, 122.7144° W
Total AreaApprox. 1,768 sq mi (4,578 km²) — includes coastal areas, vineyards, forests, and urban centers
Established / FoundedFebruary 18, 1850
County SeatSanta Rosa, California
Managed BySonoma County Government / Board of Supervisors
RegionNorthern California / Wine Country / North Bay of San Francisco Bay Area
Address575 Administration Drive, Santa Rosa, CA 95403, USA
Zip Code95403
Area Code707
CurrencyUnited States Dollar (USD, $)
Time ZonePacific Time (PT) – UTC−8 Standard / UTC−7 Daylight Saving
Theme / ConceptWine country, vineyards, coastal recreation, redwood forests, tourism, agriculture, historic towns
Main Sections / AreasSonoma Valley, Russian River Valley, Alexander Valley, Dry Creek Valley, Petaluma, Healdsburg, Santa Rosa, Bodega Bay, Coastal Redwoods
Famous AttractionsSonoma Plaza, Sonoma Coast State Park, Armstrong Redwoods State Natural Reserve, wineries & vineyards, Bodega Bay, historic towns, hot air ballooning, hiking trails
Annual VisitorsApprox. 3–4 million visitors per year (wine tourism & outdoor recreation)
Entry Fee TypeFree public access to most areas; some state parks, vineyards, or attractions require admission fees
Ticket Price RangeState parks: ~$5–$15 per vehicle; vineyard tours & tastings: ~$15–$50 per person
Ticket OptionsState park day-use passes, guided winery tours, tasting fees, coastal park entry, private tours
Best Time to VisitMarch–May (spring blooms) and September–October (harvest & wine season); summer for coastal visits
Nearby AirportCharles M. Schulz–Sonoma County Airport (STS) – Santa Rosa; San Francisco International Airport (SFO) – ~55 miles
TransportationCar (most common), buses, private tours, bicycle routes, hiking trails, coastal access roads
Official Websitehttps://sonomacounty.ca.gov

Distances from Sonoma County to Nearby Landmarks

  • Sonoma Plaza – 0 km (0 mi)
  • Sonoma State Historic Park – 1 km (0.6 mi)
  • Jack London State Historic Park – 30 km (18.6 mi)
  • Russian River – 25 km (15.5 mi)
  • Healdsburg, CA – 15 km (9.3 mi)
  • Santa Rosa, CA – 25 km (15.5 mi)
  • Bodega Bay – 40 km (24.9 mi)
  • Fulton, CA – 20 km (12.4 mi)
  • Geyserville, CA – 35 km (21.7 mi)
  • Sonoma Coast State Park – 50 km (31 mi)
  • Lake Sonoma – 40 km (24.9 mi)
  • Napa, CA – 55 km (34.2 mi)
  • Petaluma, CA – 35 km (21.7 mi)
  • Glen Ellen – 5 km (3.1 mi)
  • Kenwood, CA – 10 km (6.2 mi)