ZIP Code 92378 in Rimforest, CA

Data Last Updated: November 1, 2025
City:Rimforest, California
County:San Bernardino County
Timezone:Pacific (GMT -08:00)
Local Time:8:29:36 PM
Population:677 [See All]
Area Codes:909 / 840
Classification:PO Box
Coordinates:34.2338, -117.2323
Land Area:0.802 sq mi
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Population & Demographics


ZIP Code 92378 has 677 residents and 277 households (average 2.44 persons per household). The median age is 45.1 years, significantly older than the state (37.5) and older than the nation (38.8). The gender split is 53.0% male and 47.0% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (64.0%, much higher than the state average of 41.2%) and Hispanic or Latino (43.1%); Hispanic or Latino residents make up 43.1%, which is much higher than the national average (18.7%), and Other / Two or More Races share is much higher than the national average (8.4%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:677Source: Census DHC
2023 ACS Population Estimate:445Source: Census ACS
2025 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:844.1 people per sq mile
Average Income:$70,515Source: Census ACS
Households:277Source: Census DHC
Average House Value:$350,000Source: Census ACS
Persons Per Household:2.44Source: Census DHC
Average Family Size:2.81Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--140139135166192154211263234163446437445
Decennial Census183------------------677------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 45.1

Male Median Age: 42.1

Female Median Age: 47.4

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male163119152518102838361227303510702
Female29132694121614144030242919171435
Total4544452429302642527642515954272137
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:43347.79%
Black:10.11%
Hispanic:*29232.23%
Asian:10.11%
American Indian:60.66%
Hawaiian:10.11%
Other:17218.98%
Total:906100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:35953.03%42.1 years
Females:31846.97%47.4 years
Total:677100%45.1 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:33875.96%
Native, born in PR, Island Areas, or abroad:245.39%
Foreign born, naturalized U.S. citizen:4810.79%
Foreign born, not a U.S. citizen:3518.65%
Total Population:445100%
Total Native Population:36281.35%
Total Foreign-born Population:8318.65%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $70,515, which is far less than the state median ($96,334), is up $21,626 (44.2%) since 2011 and above its 2019 pre-pandemic level by $5,307. Family households earn a median of $71,397 versus $0 for nonfamily households (a difference of $71,397). By gender, male median income is $71,944 and female is $0, which is well under the state female median ($61,569), with a current gap of $71,944 that has widened from 2011 to 2023. The labor-force participation rate is 53.3%, which is much lower than the state rate (63.9%). The unemployment rate is 0.0%, which is markedly below the state rate (6.4%). The largest occupation group is Management (55.9%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$48,889$49,219$49,115$68,636$69,479$72,596$76,538$78,571$65,208$69,318$59,205$72,813$70,515
Median Family Income$48,889$49,219$49,115$68,636$69,479$72,596$75,385$76,250$65,625$69,773$63,077$73,333$71,397
Median NonFamily Income$0$0$0$0$0$0$0$0$0$0$0$0$0
Median Male Income$0$60,417$0$17,426$0$33,365$43,854$46,354$46,875$0$63,000$61,875$71,944
Median Female Income$0$0$0$0$0$0$45,909$0$0$0$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:17953.27%
Unemployed:00.00%
Not In Labor Force:15746.73%
Total:336100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:10055.87%
Service:52.79%
Sales and Office:126.70%
Natural resources, construction, and maintenance:5229.05%
Production, transportation, and material moving:105.59%
Total Civilian Employed Population:179100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $350,000, which is well under the state median ($695,400), is up $146,300 (71.82%) since 2011 and above its 2019 pre-pandemic level by $76,400. The median gross rent is $1,278, which is considerably lower than the state median ($1,956), and above its 2019 pre-pandemic level by $1,278. Of occupied housing, owners make up 80.20% (86.71% with a mortgage, 13.29% free-and-clear) and renters 19.80% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 41.37%, which is considerably higher than the state rate (7.55%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$203,700$198,600$199,500$198,600$195,500$216,200$262,500$275,000$273,600$286,500$289,500$350,000$350,000
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:00.00%
$1,000 to $1,499:39100.00%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:00.00%
Total:39100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$0$0$0$0$0$0$0$0$0$0$1,285$1,157$1,278
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):13769.54%
Owner Occupied (free and clear, no mortgage):2110.66%
Renter Occupied:3919.80%
Total Occupied Housing Units:197100%

Occupied Housing Units:19758.63%
Vacant Housing Units (not graphed):13941.37%
Total Housing Units:336100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:31192.56%
Multi-Family Units:257.44%
Other Units:00.00%
Total Housing Units:336100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 31.50% of adults (25+) have a bachelor's degree or higher, which is on par with the state rate (36.50%). High school or higher is 77.60%, which is comparable to the national rate (89.40%). The uninsured rate is 10.60%, which is on par with the state rate (6.90%). The share of people in poverty is 5.20%, which is comparable to the national rate (8.70%), down 23.40 percentage points since 2011 and above its 2019 pre-pandemic level by 5.20 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is elementary (83.85%). College enrollment is 9.23%, which is markedly below the state rate (30.00%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:4915.46%
9th to 12th grade, no diploma:226.94%
High school graduate (includes equivalency):4614.51%
Some college, no degree:5918.61%
Associate's degree:4112.93%
Bachelor's degree:9830.91%
Graduate or professional degree:20.63%
Total:317100%
High school or higher:24677.60%
Bachelor's degree or higher:10031.55%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:23552.81%
Public Insurance:16336.63%
No Insurance:4710.56%
Total:445100%
Has Health Insurance:39889.44%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty28.6%26.1%26.9%25.8%0.0%0.0%0.0%0.0%0.0%0.0%16.7%5.5%5.2%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:00.00%
Elementary school (grades 1-8):10983.85%
High school (grades 9-12):96.92%
College or graduate school:129.23%
Total:130100%
Early Childhood:00.00%
K-12 (Primary & Secondary School):11890.77%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 92378 supports both business and residential activity. According to the Business Census (2023), there are 30 business establishments, employing about 182 people with an annual payroll of $14,385,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:4,732Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:30Source: CBP
1st Quarter Payroll:$3,546,000Source: CBP
Annual Payroll:$14,385,000Source: CBP
# of Employees:182Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 92378 is located in San Bernardino County, California, within the Riverside-San Bernardino-Ontario, CA Metropolitan Statistical Area (CBSA 40140) and California's 23rd Congressional District. This Metro area has a population of 4,637,725 people, about 0.01% of whom live in ZIP Code 92378. It covers 0.802 sq mi of land and a water area of 0 sq mi.

CBSA Name:Riverside-San Bernardino-Ontario, CASource: Census
CBSA Number:40140Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:4,637,725Source: Census
MSA:Los Angeles-Riverside-Orange County, CASource: Census
Land Area:0.802 sq miSource: Census
Water Area:--Source: Census
Congressional District:23Source: USPS
Congressional Land Area:9898 sq miSource: Census
PMSA:Riverside-San Bernardino, CA PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


92382 | | 92377

Schools in ZIP Code 92378


We could not locate which school district 92378 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Mountain High 27614 Hwy. 18
Lake Arrowhead, CA 92325
District: Rim of the World Unified School DistrictNearby
Rim Virtual Academy 27390 Highway 18
Lake Arrowhead, CA 92352
District: Rim of the World Unified School DistrictNearby
Rim Of The World Senior High 27400 Highway 18
Lake Arrowhead, CA 92352
District: Rim of the World Unified School DistrictNearby
Mary P. Henck Intermediate 730 Rhine Rd.
Lake Arrowhead, CA 92352
District: Rim of the World Unified School DistrictNearby
Lake Arrowhead Elementary 1300 Golden Rule Ln.
Lake Arrowhead, CA 92352
District: Rim of the World Unified School DistrictNearby
Lake Arrowhead Christian School 26409 State Highway 189
Twin Peaks, CA 92391
District: Private SchoolNearby
Mt Calvary Lutheran Early Education Center 27415 School Rd
Lake Arrowhead, CA 92352
District: Private SchoolNearby
Our Lady Of The Assumption School 796 W 48th St
San Bernardino, CA 92407
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 92378


California State University-San Bernardino 5500 University Parkway
San Bernardino, CA 92407-2393
Type: Post Secondary
San Bernardino Beauty College 600 North Sierra Way
San Bernardino, CA 92410-4414
Type: Post Secondary
Oak Valley College 2759 Ayala Drive
Rialto, CA 92377
Type: Post Secondary
San Bernardino Valley College 701 South Mount Vernon Avenue
San Bernardino, CA 92410-2798
Type: Post Secondary
Summit College 804 E Brier Dr
San Bernardino, CA 92408
Type: Post Secondary
Community Christian College 1174 Nevada Street, Suite 200
Redlands, CA 92374-2893
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on November 1, 2025.

  1. U.S. Postal Service [Last Updated: 11/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 11/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 11/1/2025], https://nces.ed.gov