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California ZIP Codes
Mendocino County
Caspar, CA
95420
95420 ZIP Code — Caspar, CA
Mendocino County, California
ZIP code 95420 is located in
Caspar ,
California ,
within Mendocino County .
It covers approximately 7.28 square miles and serves a population of
351 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 707 .
About ZIP code 95420
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $1,099,700. Owner-occupancy is high at 95%, well above the national average.
Median household income is $235,959. The poverty rate of 3% is below the national average. 47% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is service, with public administration as the leading industry.
Educational attainment is high — 93% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 95420 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.
95420 ZIP code map
View map of 95420
Cities in ZIP code 95420
Below are the cities the US Postal Service accepts for ZIP code 95420. Using any city not on this list may result in mail delivery delays.
Demographics
updated 06/2026
Population
Total population
351
Population density
48 / sq mi
State FIPS
06
County FIPS
045
Geography
Land area
7.28 sq mi
Water area
0.12 sq mi
Latitude
39.3618
Longitude
-123.7813
Timezone
Pacific (PT)
Area code
707
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
29.7%
47.0%
32.6%
$50k – $100k
13.2%
29.4%
27.7%
$100k – $200k
36.3%
18.7%
26.4%
Over $200k
20.9%
4.9%
13.3%
Demographics & statistics
$235,959
Median household income
$1,099,700
Median home value
93.1%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 100 28.5% 18 and over 251 71.5% 65 and over 123 35.0% Median age 38.0 years
Race & ethnicity
Black or African American
0.3%
Group Count % White 208 58.9% Two or more races 99 28% Asian 41 11.6% Hispanic or Latino 2 0.6% Other race 2 0.6% Black or African American 1 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
29.7%
47.0%
32.6%
$50k – $100k
13.2%
29.4%
27.7%
$100k – $200k
36.3%
18.7%
26.4%
Over $200k
20.9%
4.9%
13.3%
Range % of households $10k–$15k 4.7% $15k–$25k 12.7% $35k–$50k 6.7% $150k–$200k 7.3% $200k+ 68.7% Median income $235,959
Housing
Housing overview
Metric Value Median home value $1,099,700 Median rent / month $0 Owner occupied 95.3% Renter occupied 4.7% Vacant 14.8% Single-family detached 100.0% Large apartment buildings 0.0% Mobile homes 0.0% Median rooms 6.6 Avg household size (owned) 2.37
Year built
Era % 2020 or later 0.0% 2010–2019 0.0% 2000–2009 5.7% 1990–1999 0.0% 1980–1989 41.5% 1970–1979 43.2% 1960–1969 0.0% 1950–1959 0.0% 1940–1949 0.0% 1939 or earlier 9.7%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 19.9% 2 bedrooms 32.4% 3 bedrooms 47.7% 4 bedrooms 0.0% 5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 17.3% 2 vehicles 20.7% 3 or more 62.0%
Heating fuel
Fuel type % Utility gas 4.7% Electricity 48.7% Propane / LP gas 21.3% Fuel oil 6.7% Wood 18.7%
Households & families
Household type Count % Married-couple family 124 82.7% Cohabiting couple 0 0.0% Male householder, no spouse 0 0.0% Female householder, no spouse 26 17.3% Households with children under 18 73 48.7% Households with seniors (65+) 77 51.3% Average household size 2.31
Marital status
Status Male Female Never married 3.0% 0.0% Married 97.0% 77.8% Separated 0.0% 0.0% Widowed 0.0% 16.2% Divorced 0.0% 6.0%
Education
Some college, no degree
6.5%
Graduate / professional
51.6%
Metric % HS diploma or higher 99.6% Bachelor's or higher 93.1%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 50 94.3% Kindergarten 0 0.0% Elementary school 1 1.9% High school 0 0.0% College / grad school 2 3.8%
Employment
Industry of employment
Public administration
50.7%
Education & healthcare
28.5%
Professional & management
14.6%
Finance & real estate
4.9%
Agriculture & mining
0.7%
Occupation
Category % Management, business & arts 43.1% Service 50.7% Sales & office 4.9% Natural resources & construction 0.7% Production & transportation 0.7%
Employment type
Type % Private sector 34.7% Government 50.7% Self-employed 14.6% Unpaid family workers 0.0%
Commute
Method % Drive alone 55.6% Carpool 0.0% Public transit 0.7% Walk 29.2% Work from home 14.6% Other means 0.0% Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households Social Security 46.7% Retirement income 28.0% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 0.0%
Health indicators
Condition % Obesity 28.3% High blood pressure 34.1% High cholesterol 34.6% Diabetes 10.7% Heart disease 7.6% Stroke 3.3% Asthma 9.9% Arthritis 29.0% Kidney disease 3.3% Pulmonary disease 7.8% Cancer 8.9%
Behavior / access % Smoking 11.8% Binge drinking 16.4% No physical activity 16.7% Less than 7 hrs sleep 28.5% Depression 18.3% Fair or poor health 13.3% Poor mental health 13.2% Poor physical health 10.8% No health insurance 6.9% Visited doctor (checkup) 70.8% Visited dentist 69.2% Cholesterol screening 94.2% Teeth loss 8.6%
Veterans & disability
Veterans Count % Civilian veterans 9 3.6%
Disability % Any disability 2.8% Under 18 0.0% 18–64 years 0.8% 65 and over 7.3%
Health insurance coverage
Type % Private insurance 90.9% Public insurance 35.9% No insurance 0.3% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 252 71.8% Spanish 1 0.4% Other Indo-European 1 0.4% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 309 88.0% Born in same state 309 88.0% Born in different state 197 56.1% Foreign born 0 0.0% Naturalized citizen 42 12.0% Not a US citizen 41 97.6%
Ancestry
Ancestry Count % Arab 99 28.2% French 50 14.2%
Ancestry Count % Italian 20 5.7% Polish 7 2%
Technology access
Metric % of households Computer access 42.7% Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 95420
What city is ZIP code 95420 in?
ZIP code 95420 is primarily assigned to Caspar, California.
What county is ZIP code 95420 in?
ZIP code 95420 falls within Mendocino County, California.
How educated is the population of ZIP code 95420?
93% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 95420 have an older population?
35% of residents in ZIP code 95420 are 65 or older, above the national average of ~17%.
Is ZIP code 95420 mostly owner-occupied?
95% of occupied units in ZIP code 95420 are owner-occupied, well above the national average.
Does ZIP code 95420 have a large retiree population?
47% of households in ZIP code 95420 receive Social Security income, suggesting a significant retiree or disability population.
What timezone is ZIP code 95420 in?
ZIP code 95420 observes the PST timezone.
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