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ZIP Code 95421, California

ZIP Code 95421 profile, demographic data, and geographic information.

ZCTA5 95421 is a 5-digit ZIP Code area located in Sonoma County, California. As of official census estimates, it has a reported population of 1,570. The land area covers 143.39 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,570 ±239 2020-2024 / Census ACS 5-Year 2024
Median Age 59.3 yrs ±4.2 2020-2024 / Census ACS 5-Year 2024
Total Households 663 ±110 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 1,145 ±156
Occupied Housing Units 663 ±110
Vacant Housing Units 482 ±118
Median Home Value $633,400 ±$76,538
Median Gross Rent $1,813 ±$570
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $78,906 ±$12,410
Per Capita Income $49,269 ±$10,080
Poverty Rate 14.1% ±3.2%
Population Below Poverty Level 222 ±61
Unemployment Rate 2.1% ±1.7%
Civilian Labor Force, Employed 656 ±151
Broadband Internet Rate 87% ±6.5%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 485,375 (2024)
ID: 161117
County Official County Government
Contact: ADMINISTRATOR
575 ADMINISTRATION DR, SANTA ROSA CA 95403-2823

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-12 Guerneville, CA
Regular School Nearby KG-08 Cazadero, CA
Regular School Nearby KG-05 Geyserville, CA
Regular School Nearby KG-08 Guerneville, CA
Regular School Nearby KG Guerneville, CA
Regular School Nearby KG-01 Occidental, CA
Regular School Nearby KG-08 Annapolis, CA
Regular School Nearby KG-08 Stewarts Point, CA
Regular School Nearby KG-08 Monte Rio, CA
Regular School Nearby KG-08 Cazadero, CA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 8 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Lytles Redwood Empire Beauty College
College Vocational 23.5 mi away 186 Wikiup Dr, Santa Rosa, CA, 95403
7075458490
GUERNEVILLE REGIONAL LIBRARY
Library 11.4 mi away 14107 ARMSTRONG WOODS ROAD, GUERNEVILLE, CA, 95446
(707) 869-9004
HEALDSBURG REGIONAL LIBRARY
Library 17.0 mi away 139 PIPER STREET, HEALDSBURG, CA, 95448
(707) 433-3772
FORESTVILLE COMMUNITY LIBRARY
Library 17.4 mi away 7050 COVEY ROAD, FORESTVILLE, CA, 95436
(707) 887-7654
OCCIDENTAL COMMUNITY LIBRARY
Library 17.6 mi away 73 MAIN STREET, OCCIDENTAL, CA, 95465
(707) 874-3080
CLOVERDALE REGIONAL LIBRARY
Library 17.9 mi away 401 N. CLOVERDALE BLVD., CLOVERDALE, CA, 95425
(707) 894-5271
WINDSOR REGIONAL LIBRARY
Library 20.1 mi away 9291 OLD REDWOOD HWY, BLDG. 100, WINDSOR, CA, 95492
(707) 838-1020
SEBASTOPOL REGIONAL LIBRARY`
Library 23.0 mi away 7140 BODEGA AVENUE, SEBASTOPOL, CA, 95472
(707) 823-7691
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at FT ROSS, CA US, located 5.8 miles from ZCTA5 95421. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 56.8° 41.6° 49.2° 7.18" —
February 58.5° 42.2° 50.3° 6.95" —
March 58.7° 42.1° 50.4° 5.15" —
April 60.3° 42.7° 51.5° 2.88" —
May 62.4° 44.6° 53.5° 1.60" —
June 65.9° 46.4° 56.1° 0.48" —
July 65.5° 48.4° 57.0° 0.04" —
August 66.8° 49.5° 58.1° 0.07" —
September 67.2° 48.4° 57.8° 0.17" —
October 66.4° 47.2° 56.8° 1.97" —
November 60.9° 44.3° 52.6° 4.24" —
December 57.2° 41.6° 49.4° 8.44" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Timber Cove CDP CDP 5.1 mi —
Cazadero CDP CDP 5.5 mi —
Jenner CDP CDP 9.1 mi —
Guerneville CDP CDP 11.4 mi —
Monte Rio CDP CDP 11.4 mi —
Sereno del Mar CDP CDP 15.0 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 95421. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.