ZIP Code Tabulation Area · California

ZIP Code 95421: Sonoma County, CA

ZIP Code 95421 (Sonoma County, California) has an estimated 1,570 residents in 663 households. The median household income is $78,906, the median home value is $633,400 and the median gross rent is $1,813/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Some estimates have a large margin of error. One figure for this ZIP (work from home) is marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

1,570

Margin of error ±239

Median household income

$78,906

Margin of error ±$12,410

Median home value

$633,400

Margin of error ±$76,538

Median gross rent

$1,813/mo

Margin of error ±$570

Median age

59.3 yrs

Margin of error ±4.2 yrs

Mean travel time to work

35.6 min

Margin of error ±13.9 min

How ZIP 95421 compares with California and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9542159.3 yrsCalifornia37.9 yrsUnited States38.9 yrs

Median household income

ZIP 95421$78,906California$99,122United States$80,734

Per capita income

ZIP 95421$49,269California$49,513United States$44,673

Poverty rate

ZIP 9542114.1%California12.0%United States12.5%

Unemployment rate

ZIP 954212.1%California6.6%United States5.2%

Bachelor's degree or higher

ZIP 9542136.6%California37.1%United States35.7%

Median home value

ZIP 95421$633,400California$734,700United States$332,700

Median gross rent

ZIP 95421$1,813/moCalifornia$2,036/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9542179.3%California55.9%United States65.2%

Mean travel time to work

ZIP 9542135.6 minCalifornia28.7 minUnited States26.4 min

Worked from home

ZIP 9542130.8%*California17.2%United States15.1%

All figures for ZIP 95421

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 95421 — ACS 2020–2024 5-year estimates
MeasureZIP 95421Margin of errorCaliforniaUnited States
Total population1,570±23939,287,377334,922,499
Median age59.3 yrs±4.2 yrs37.9 yrs38.9 yrs
Households663±11013,548,091129,227,496
Median household income$78,906±$12,410$99,122$80,734
Per capita income$49,269±$10,080$49,513$44,673
Poverty rate14.1%±3.2 pts12.0%12.5%
Unemployment rate2.1%±1.7 pts6.6%5.2%
Bachelor's degree or higher36.6%±7.6 pts37.1%35.7%
Median home value$633,400±$76,538$734,700$332,700
Median gross rent$1,813/mo±$570$2,036/mo$1,413/mo
Owner-occupied homes79.3%±8.3 pts55.9%65.2%
Mean travel time to work35.6 min±13.9 min28.7 min26.4 min
Worked from home30.8%*±12.2 pts17.2%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 95421
GroupZIP 95421CaliforniaUnited States
White alone, not Hispanic or Latino84.6%33.8%57.4%
Black or African American alone, not Hispanic or Latino0.8%5.2%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.3%0.5%
Asian alone, not Hispanic or Latino3.0%15.3%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino1.0%0.3%0.2%
Some other race alone, not Hispanic or Latino0.0%0.6%0.6%
Two or more races, not Hispanic or Latino3.3%4.4%4.3%
Hispanic or Latino (of any race)7.2%40.2%19.3%

Where ZIP 95421 is

State
California
Main county
Sonoma County
Largest overlapping place
Cazadero (5% of the ZIP's land area)
Land area
143.39 sq mi· about 11 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Sonoma County

95401 Santa Rosa, CA95403 Santa Rosa, CA95404 Sonoma County, CA95405 Santa Rosa, CA95407 Santa Rosa, CA95409 Santa Rosa, CA95412 Sonoma County, CA95419 Occidental, CA95425 Sonoma County, CA95436 Forestville, CA95439 Fulton, CA95441 Sonoma County, CA95442 Sonoma County, CA95444 Graton, CA95446 Guerneville, CA95448 Sonoma County, CA95450 Sonoma County, CA95452 Kenwood, CA95462 Monte Rio, CA95465 Sonoma County, CA95471 Guerneville, CA95472 Sonoma County, CA95476 Sonoma County, CA95480 Sonoma County, CA

See every ZIP code in California, or compare ZIP 95421 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.