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Guerneville

CaliforniaCDP

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Total population

4,100

Median home value

$600,600

43.6%

Bachelor's+

Median income

$81,281

Guerneville$81k
National$74k
Weather86°F · Sunny
Coordinates38.52°, -122.99°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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Active weather alerts
  • Coastal Flood Advisory · Minor
    Coastal Flood Advisory issued October 1 at 12:20PM PDT until October 2 at 6:00PM PDT by NWS San Francisco CA

Source: NOAA National Weather Service.

City facts

Overview

Within California, United States, Guerneville stands as a census-designated community. Public datasets list a population of roughly 4,100. Guerneville maps to 38.517°, -122.990° — squarely within the warm temperate belt. The census-designated community extends across about 25.1 km². Solar-resource estimates put the area at about 1,876 kWh/m² of solar irradiance per year with sunshine for roughly 73% of daylight hours. Based on its warm temperate position, residents likely encounter warm summers and cool winters. Population density therefore averages about 163 per km², loosely populated. Read on for charts and tables covering demographics, climate, hazards, schools, wildlife and other open-data indicators for Guerneville.

Summary composed automatically from structured open data on this page. See our Terms for details.

History & geography

Demographics & economy

Median age
51.7
Median home value
$600,600
Housing units
3,181
Poverty rate
10%
Unemployment
7.3%

Race & ethnicity

White
76.9%
Black
0.1%
Asian
1.4%
Hispanic
17.9%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
38.5172
Longitude
-122.9899
Water area
0.17 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

This Afternoon
86°F
Sunny
Tonight
54°F
Partly Cloudy
Friday
87°F
Partly Sunny
Friday Night
60°F
Mostly Cloudy
Saturday
94°F
Sunny
Saturday Night
63°F
Mostly Clear

Forecast for Guerneville, CA from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
27.1%
Diabetes
8.2%
Adult obesity
26.3%
Binge drinking
18.8%
Adult smoking
11.3%
No leisure activity
18.2%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
438,771
Distinct species (top 10)
10

Most-observed species

  • Turkey Vulture
    Cathartes aura (Linnaeus, 1758) · Aves
    10,372
  • California Towhee
    Melozone crissalis (Vigors, 1839) · Aves
    8,938
  • California/Woodhouse's Scrub-Jay
    Aphelocoma californica (Vigors, 1839) · Aves
    8,430
  • Anna's Hummingbird
    Calypte anna (R.Lesson, 1829) · Aves
    8,251
  • Spotted Towhee
    Pipilo maculatus Swainson, 1827 · Aves
    7,940
  • American Robin
    Turdus migratorius Linnaeus, 1766 · Aves
    7,887
  • Chestnut-backed Chickadee
    Poecile rufescens (J.K.Townsend, 1837) · Aves
    7,776
  • American Crow
    Corvus brachyrhynchos C.L.Brehm, 1822 · Aves
    7,548

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Earthquake history

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in California

Browse all places in California →

Geography & sun

Avg solar (kWh/m²/day)
5.14
Annual solar (kWh/m²)
1,876

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
2,017
Avg daily Wikipedia views
70
Attention level
Quiet

Pageview totals from the Wikimedia Pageviews API.

Books about Guerneville

Search results from Open Library.

Recent natural events nearby

Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).

Ground air-quality sensors

Recently spotted species

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Site
RUSSIAN R A JOHNSONS BEACH A GUERNEVILLE CA
Distance
1.3 mi
Gage height
4.06 ft

Live readings from USGS NWIS · measured 2026-10-01 17:00 UTC.

Events

Sources

  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • Wikidata
  • • USGS NWIS (water data)
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library
  • • NASA EONET