ZipCodesToGo
California ZIP Codes
San Bernardino County
Rimforest, CA
92378
92378 ZIP Code — Rimforest, CA
San Bernardino County, California
ZIP code 92378 is located in
Rimforest ,
California ,
within San Bernardino County .
It covers approximately 0.80 square miles and serves a population of
437 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 909 .
About ZIP code 92378
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $350,000. Owner-occupancy is high at 79%, well above the national average.
Median household income is $72,813.
The dominant occupation class is management, business, and professional, with retail trade as the leading industry. The average commute of 35 minutes is near the national average.
Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.
92378 ZIP code map
View map of 92378
Cities in ZIP code 92378
Below are the cities the US Postal Service accepts for ZIP code 92378. Using any city not on this list may result in mail delivery delays.
Demographics
updated 06/2026
Population
Total population
437
Population density
546 / sq mi
State FIPS
06
County FIPS
071
Geography
Land area
0.80 sq mi
Water area
0.00 sq mi
Latitude
34.2338
Longitude
-117.2323
Timezone
Pacific (PT)
Area code
909
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.6%
37.7%
32.6%
$50k – $100k
47.1%
32.0%
27.7%
$100k – $200k
14.3%
23.9%
26.4%
Over $200k
0.0%
6.3%
13.3%
Demographics & statistics
$72,813
Median household income
$350,000
Median home value
$1,157
Median monthly rent
33.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 110 25.2%
18 and over 327 74.8%
65 and over 66 15.1%
Median age 35.9 years
Race & ethnicity
Black or African American
2.4%
Group Count %
White 355 70.3%
Hispanic or Latino 68 13.5%
Other race 55 10.9%
Two or more races 13 2.6%
Black or African American 12 2.4%
Asian 2 0.4%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.6%
37.7%
32.6%
$50k – $100k
47.1%
32.0%
27.7%
$100k – $200k
14.3%
23.9%
26.4%
Over $200k
0.0%
6.3%
13.3%
Range % of households
$15k–$25k 11.0%
$25k–$35k 15.2%
$35k–$50k 6.1%
$50k–$75k 30.5%
$75k–$100k 22.0%
$100k–$150k 15.2%
Median income $72,813
Housing
Housing overview
Metric Value
Median home value $350,000
Median rent / month $1,157
Owner occupied 79.3%
Renter occupied 20.7%
Vacant 53.1%
Single-family detached 93.7%
Large apartment buildings 6.3%
Mobile homes 0.0%
Median rooms 4.9
Avg household size (owned) 2.26
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 3.4%
1990–1999 3.4%
1980–1989 33.7%
1970–1979 9.7%
1960–1969 21.7%
1950–1959 13.7%
1940–1949 6.6%
1939 or earlier 7.7%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 13.4%
2 bedrooms 39.4%
3 bedrooms 24.9%
4 bedrooms 19.4%
5+ bedrooms 2.9%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 22.0%
2 vehicles 62.2%
3 or more 15.9%
Heating fuel
Fuel type %
Utility gas 87.8%
Wood 12.2%
Households & families
Household type Count %
Married-couple family 109 66.5%
Cohabiting couple 0 0.0%
Male householder, no spouse 35 21.3%
Female householder, no spouse 20 12.2%
Households with children under 18 46 28.0%
Households with seniors (65+) 55 33.5%
Average household size 2.64
Marital status
Status Male Female
Never married 24.9% 24.8%
Married 57.0% 70.7%
Separated 0.0% 0.0%
Widowed 0.0% 0.0%
Divorced 18.1% 4.5%
Education
Less than 9th grade
14.6%
Some college, no degree
23.5%
Graduate / professional
4.3%
Metric %
HS diploma or higher 77.8%
Bachelor's or higher 33.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 87 59.2%
High school 36 24.5%
College / grad school 24 16.3%
Employment
Industry of employment
Education & healthcare
16.6%
Professional & management
15.9%
Transportation & utilities
8.6%
Public administration
8.6%
Arts, food & hospitality
7.3%
Occupation
Category %
Management, business & arts 49.0%
Service 0.7%
Sales & office 15.9%
Natural resources & construction 26.5%
Production & transportation 7.9%
Employment type
Type %
Private sector 83.4%
Government 8.6%
Self-employed 7.9%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 83.4%
Carpool 8.6%
Public transit 0.0%
Walk 7.9%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 35.0
Poverty
Married-couple families
0.0%
Female-led households
100.0%
Income support
Source % of households
Social Security 20.1%
Retirement income 6.1%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 4.3%
Health indicators
Condition %
Obesity 35.6%
High blood pressure 29.4%
High cholesterol 33.2%
Diabetes 9.4%
Heart disease 5.6%
Stroke 2.5%
Asthma 10.0%
Arthritis 22.3%
Kidney disease 2.6%
Pulmonary disease 6.2%
Cancer 6.1%
Behavior / access %
Smoking 12.4%
Binge drinking 20.0%
No physical activity 18.1%
Less than 7 hrs sleep 33.8%
Depression 18.5%
Fair or poor health 13.2%
Poor mental health 14.4%
Poor physical health 10.0%
No health insurance 9.7%
Visited doctor (checkup) 65.5%
Visited dentist 68.8%
Cholesterol screening 91.4%
Teeth loss 10.1%
Veterans & disability
Veterans Count %
Civilian veterans 20 6.1%
Disability %
Any disability 7.8%
Under 18 0.0%
18–64 years 9.2%
65 and over 15.2%
Health insurance coverage
Type %
Private insurance 56.1%
Public insurance 36.8%
No insurance 7.1%
Uninsured under 19 15.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 437 100.0%
Spanish 85 19.5%
Other Indo-European 82 18.8%
Asian & Pacific Islander 3 0.7%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 359 82.2%
Born in same state 358 81.9%
Born in different state 274 62.7%
Foreign born 1 0.2%
Naturalized citizen 78 17.8%
Not a US citizen 49 62.8%
Ancestry
Ancestry Count %
English 41 9.4%
French 36 8.2%
Ancestry Count %
Polish 11 2.5%
Technology access
Metric % of households
Computer access 37.5%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 92378
What city is ZIP code 92378 in?
ZIP code 92378 is primarily assigned to Rimforest, California.
What county is ZIP code 92378 in?
ZIP code 92378 falls within San Bernardino County, California.
What is the typical home value in ZIP code 92378?
The median home value in ZIP code 92378 is $350,000.
What is the population of ZIP code 92378?
ZIP code 92378 has an estimated population of 437 residents, with a density of 545 people per square mile.
What is the median household income in ZIP code 92378?
The median household income in ZIP code 92378 is $72,813, below the national median of ~$75,000.
What timezone is ZIP code 92378 in?
ZIP code 92378 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 →