ZipCodesToGo
California ZIP Codes
Trinity County
Mad River, CA
95552
95552 ZIP Code — Mad River, CA
Trinity County, California
ZIP code 95552 is located in
Mad River ,
California ,
within Trinity County .
It covers approximately 136.89 square miles and serves a population of
423 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 707 .
About ZIP code 95552
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $240,300. Owner-occupancy sits near the national average at 69%.
The gap between median ($21,550) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 42% of residents, above the national average. 63% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with retail trade as the leading industry.
College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of diabetes (16%), smoking (22%) compared to national benchmarks. 20% of residents lack health insurance, above the national average.
Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%; and disability rates above the national average at 23%.
Overall, ZIP code 95552 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a strong veteran community, and a significant Social Security-dependent population.
95552 ZIP code map
View map of 95552
Cities in ZIP code 95552
Below are the cities the US Postal Service accepts for ZIP code 95552. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
423
Population density
3 / sq mi
State FIPS
06
County FIPS
105
Geography
Land area
136.89 sq mi
Water area
1.71 sq mi
Latitude
40.3338
Longitude
-123.3909
Timezone
Pacific (PT)
Area code
707
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
70.8%
59.3%
32.6%
$50k – $100k
16.8%
25.4%
27.7%
$100k – $200k
12.4%
13.9%
26.4%
Over $200k
0.0%
1.3%
13.3%
Demographics & statistics
$21,550
Median household income
$240,300
Median home value
17.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 8 1.9%
18 and over 415 98.1%
65 and over 211 49.9%
Median age 65.0 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
70.8%
59.3%
32.6%
$50k – $100k
16.8%
25.4%
27.7%
$100k – $200k
12.4%
13.9%
26.4%
Over $200k
0.0%
1.3%
13.3%
Range % of households
Under $10k 29.5%
$10k–$15k 1.3%
$15k–$25k 23.3%
$25k–$35k 10.1%
$35k–$50k 4.0%
$50k–$75k 8.4%
$75k–$100k 2.6%
$100k–$150k 4.0%
$150k–$200k 14.5%
$200k+ 2.2%
Median income $21,550
Housing
Housing overview
Metric Value
Median home value $240,300
Median rent / month $416
Owner occupied 69.2%
Renter occupied 30.8%
Vacant 57.7%
Single-family detached 60.9%
Large apartment buildings 0.0%
Mobile homes 37.6%
Median rooms 3.6
Avg household size (owned) 2.18
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 22.5%
1990–1999 12.1%
1980–1989 18.1%
1970–1979 21.8%
1960–1969 4.5%
1950–1959 9.5%
1940–1949 5.2%
1939 or earlier 6.3%
Bedrooms
Size % of units
No bedroom (studio) 18.6%
1 bedroom 15.6%
2 bedrooms 42.5%
3 bedrooms 21.8%
4 bedrooms 1.5%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 1.3%
1 vehicle 35.2%
2 vehicles 41.0%
3 or more 22.5%
Heating fuel
Fuel type %
Electricity 3.5%
Propane / LP gas 19.8%
Fuel oil 6.2%
Wood 70.5%
Households & families
Household type Count %
Married-couple family 133 58.6%
Cohabiting couple 10 4.4%
Male householder, no spouse 60 26.4%
Female householder, no spouse 24 10.6%
Households with children under 18 5 2.2%
Households with seniors (65+) 114 50.2%
Average household size 1.86
Marital status
Status Male Female
Never married 28.6% 2.1%
Married 57.9% 76.1%
Separated 0.0% 0.0%
Widowed 2.9% 10.6%
Divorced 10.6% 11.3%
Education
Some college, no degree
41.9%
Graduate / professional
0.7%
Metric %
HS diploma or higher 99.3%
Bachelor's or higher 17.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Education & healthcare
30.2%
Arts, food & hospitality
11.6%
Agriculture & mining
7.0%
Occupation
Category %
Management, business & arts 58.1%
Service 0.0%
Sales & office 34.9%
Natural resources & construction 7.0%
Production & transportation 0.0%
Employment type
Type %
Private sector 34.9%
Government 37.2%
Self-employed 27.9%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 100.0%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 0.0
Poverty
Married-couple families
26.3%
Female-led households
0.0%
Income support
Source % of households
Social Security 62.6%
Retirement income 35.7%
Supplemental Security 8.8%
Cash public assistance 3.5%
Food stamps / SNAP 7.0%
Health indicators
Condition %
Obesity 37.6%
High blood pressure 41.8%
High cholesterol 39.3%
Diabetes 16.1%
Heart disease 10.9%
Stroke 5.5%
Asthma 11.9%
Arthritis 34.7%
Kidney disease 4.7%
Pulmonary disease 14.0%
Cancer 8.1%
Behavior / access %
Smoking 22.0%
Binge drinking 15.9%
No physical activity 27.3%
Less than 7 hrs sleep 35.0%
Depression 21.3%
Fair or poor health 24.7%
Poor mental health 16.9%
Poor physical health 17.8%
No health insurance 10.3%
Visited doctor (checkup) 71.0%
Visited dentist 51.6%
Cholesterol screening 91.6%
Teeth loss 19.7%
Veterans & disability
Veterans Count %
Civilian veterans 48 11.6%
Disability %
Any disability 22.7%
Under 18 0.0%
18–64 years 25.5%
65 and over 20.9%
Health insurance coverage
Type %
Private insurance 52.2%
Public insurance 62.4%
No insurance 20.1%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 423 100.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 409 96.7%
Born in same state 409 96.7%
Born in different state 280 66.2%
Foreign born 0 0.0%
Naturalized citizen 14 3.3%
Not a US citizen 5 35.7%
Ancestry
Ancestry Count %
French 48 11.3%
Arab 39 9.2%
Ancestry Count %
Polish 8 1.9%
Italian 3 0.7%
Technology access
Metric % of households
Computer access 53.7%
Internet access 75.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 95552
What city is ZIP code 95552 in?
ZIP code 95552 is primarily assigned to Mad River, California.
What county is ZIP code 95552 in?
ZIP code 95552 falls within Trinity County, California.
Does ZIP code 95552 have an older population?
50% of residents in ZIP code 95552 are 65 or older, above the national average of ~17%.
What is the poverty rate in ZIP code 95552?
42% of residents in ZIP code 95552 live below the poverty line, above the national average.
Does ZIP code 95552 have a large retiree population?
63% of households in ZIP code 95552 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 95552 have a large veteran population?
12% of civilians in ZIP code 95552 are veterans, above the national average of ~7%.
What timezone is ZIP code 95552 in?
ZIP code 95552 observes the PST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →