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California ZIP Codes
San Bernardino County
Forest Falls, CA
92339
92339 ZIP Code — Forest Falls, CA
San Bernardino County, California
ZIP code 92339 is located in
Forest Falls ,
California ,
within San Bernardino County .
It covers approximately 78.94 square miles and serves a population of
1,064 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 909 .
About ZIP code 92339
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $388,300. Owner-occupancy sits near the national average at 62%.
Median household income is $70,795.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.
19% of residents lack health insurance, above the national average.
92339 ZIP code map
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Cities in ZIP code 92339
Below are the cities the US Postal Service accepts for ZIP code 92339. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,064
Population density
13 / sq mi
State FIPS
06
County FIPS
071
Geography
Land area
78.94 sq mi
Water area
0.00 sq mi
Latitude
34.0968
Longitude
-116.8422
Timezone
Pacific (PT)
Area code
909
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
35.4%
37.7%
32.6%
$50k – $100k
42.5%
32.0%
27.7%
$100k – $200k
18.7%
23.9%
26.4%
Over $200k
3.4%
6.3%
13.3%
Demographics & statistics
$70,795
Median household income
$388,300
Median home value
$1,779
Median monthly rent
28.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 313 29.4%
18 and over 751 70.6%
65 and over 103 9.7%
Median age 36.6 years
Race & ethnicity
Black or African American
1.1%
Group Count %
White 799 70.6%
Two or more races 201 17.8%
Hispanic or Latino 67 5.9%
Other race 52 4.6%
Black or African American 12 1.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
35.4%
37.7%
32.6%
$50k – $100k
42.5%
32.0%
27.7%
$100k – $200k
18.7%
23.9%
26.4%
Over $200k
3.4%
6.3%
13.3%
Range % of households
Under $10k 1.2%
$10k–$15k 5.1%
$15k–$25k 5.1%
$25k–$35k 10.9%
$35k–$50k 3.7%
$50k–$75k 25.9%
$75k–$100k 26.3%
$100k–$150k 13.4%
$150k–$200k 5.3%
$200k+ 3.2%
Median income $70,795
Housing
Housing overview
Metric Value
Median home value $388,300
Median rent / month $1,779
Owner occupied 62.1%
Renter occupied 37.9%
Vacant 40.3%
Single-family detached 91.6%
Large apartment buildings 1.7%
Mobile homes 2.6%
Median rooms 4.1
Avg household size (owned) 2.51
Year built
Era %
2020 or later 0.0%
2010–2019 1.7%
2000–2009 8.8%
1990–1999 12.6%
1980–1989 2.2%
1970–1979 14.1%
1960–1969 13.5%
1950–1959 10.1%
1940–1949 17.2%
1939 or earlier 19.9%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 14.9%
2 bedrooms 63.0%
3 bedrooms 16.6%
4 bedrooms 5.0%
5+ bedrooms 0.6%
Vehicles per household
Vehicles % of households
No vehicle 2.8%
1 vehicle 40.2%
2 vehicles 29.1%
3 or more 27.9%
Heating fuel
Fuel type %
Utility gas 12.9%
Electricity 4.6%
Propane / LP gas 29.1%
Wood 33.7%
No fuel used 3.2%
Households & families
Household type Count %
Married-couple family 164 37.9%
Cohabiting couple 94 21.7%
Male householder, no spouse 76 17.6%
Female householder, no spouse 99 22.9%
Households with children under 18 146 33.7%
Households with seniors (65+) 79 18.2%
Average household size 2.46
Marital status
Status Male Female
Never married 48.2% 26.5%
Married 41.8% 40.3%
Separated 0.0% 2.8%
Widowed 1.2% 0.0%
Divorced 8.8% 30.4%
Education
Some HS, no diploma
16.4%
Some college, no degree
21.5%
Graduate / professional
8.6%
Metric %
HS diploma or higher 83.6%
Bachelor's or higher 28.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 10 2.6%
Kindergarten 13 3.4%
Elementary school 182 48.0%
High school 66 17.4%
College / grad school 108 28.5%
Employment
Industry of employment
Education & healthcare
24.2%
Finance & real estate
11.5%
Arts, food & hospitality
8.1%
Transportation & utilities
6.7%
Professional & management
6.3%
Public administration
5.7%
Occupation
Category %
Management, business & arts 61.2%
Service 9.1%
Sales & office 10.1%
Natural resources & construction 9.3%
Production & transportation 10.3%
Employment type
Type %
Private sector 79.8%
Government 12.9%
Self-employed 7.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 82.5%
Carpool 12.9%
Public transit 0.0%
Walk 1.1%
Work from home 3.6%
Other means 0.0%
Avg commute (minutes) 37.6
Poverty
Married-couple families
15.2%
Female-led households
0.0%
Income support
Source % of households
Social Security 16.2%
Retirement income 15.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 16.6%
Health indicators
Condition %
Obesity 38.1%
High blood pressure 31.0%
High cholesterol 33.7%
Diabetes 9.6%
Heart disease 5.8%
Stroke 2.8%
Asthma 10.7%
Arthritis 24.0%
Kidney disease 2.7%
Pulmonary disease 6.9%
Cancer 6.3%
Behavior / access %
Smoking 14.0%
Binge drinking 19.9%
No physical activity 17.9%
Less than 7 hrs sleep 35.3%
Depression 19.7%
Fair or poor health 13.5%
Poor mental health 15.1%
Poor physical health 10.8%
No health insurance 8.1%
Visited doctor (checkup) 66.3%
Visited dentist 68.1%
Cholesterol screening 92.5%
Teeth loss 9.8%
Veterans & disability
Veterans Count %
Civilian veterans 46 6.1%
Disability %
Any disability 16.4%
Under 18 36.4%
18–64 years 3.7%
65 and over 35.9%
Health insurance coverage
Type %
Private insurance 47.8%
Public insurance 36.7%
No insurance 18.5%
Uninsured under 19 7.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 998 93.8%
Spanish 62 6.2%
Other Indo-European 49 4.9%
Asian & Pacific Islander 13 1.3%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 994 93.4%
Born in same state 994 93.4%
Born in different state 772 72.6%
Foreign born 0 0.0%
Naturalized citizen 70 6.6%
Not a US citizen 15 21.4%
Ancestry
Ancestry Count %
Italian 120 11.3%
Arab 49 4.6%
French 27 2.5%
English 17 1.6%
Ancestry Count %
Norwegian 16 1.5%
Polish 7 0.7%
Dutch 4 0.4%
Technology access
Metric % of households
Computer access 40.7%
Internet access 97.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 92339
What city is ZIP code 92339 in?
ZIP code 92339 is primarily assigned to Forest Falls, California.
What county is ZIP code 92339 in?
ZIP code 92339 falls within San Bernardino County, California.
What is the typical home value in ZIP code 92339?
The median home value in ZIP code 92339 is $388,300.
What is the population of ZIP code 92339?
ZIP code 92339 has an estimated population of 1,064 residents, with a density of 13 people per square mile.
What is the median household income in ZIP code 92339?
The median household income in ZIP code 92339 is $70,795, below the national median of ~$75,000.
What timezone is ZIP code 92339 in?
ZIP code 92339 observes the PST timezone.
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