92377 ZIP Code — Rialto, CA

San Bernardino County, California

ZIP code 92377 is located in Rialto, California, within San Bernardino County. It covers approximately 7.19 square miles and serves a population of 20,935 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 909.

About ZIP code 92377

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $480,400. Owner-occupancy is high at 83%, well above the national average.

Median household income is $108,973. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 37 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Overall, ZIP code 92377 reflects a community defined by high homeownership and a significant Social Security-dependent population.

20,935

population

7.19

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

92377 ZIP code map

Cities in ZIP code 92377

Below are the cities the US Postal Service accepts for ZIP code 92377. Using any city not on this list may result in mail delivery delays.

City	Status
Rialto	Preferred

Nearby ZIP codes

92336 Fontana (4 mi) 92376 Rialto (4 mi) 92411 San Bernardino (4.5 mi) 92405 San Bernardino (4.9 mi) 92403 San Bernardino (5.8 mi) 92415 San Bernardino (5.8 mi) 92418 San Bernardino (5.8 mi) 92335 Fontana (6.5 mi) 92404 San Bernardino (6.6 mi) 92316 Bloomington (6.8 mi) 92401 San Bernardino (6.9 mi) 92410 San Bernardino (7 mi)

Demographics updated 05/2026

Population
Total population	20,935
Population density	2,912 / sq mi
State FIPS	06
County FIPS	071

Geography
Land area	7.19 sq mi
Water area	0.00 sq mi
Latitude	34.1608
Longitude	-117.3927
Timezone	Pacific (PT)
Area code	909

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.2%	37.7%	32.6%
$50k – $100k	30.9%	32.0%	27.7%
$100k – $200k	39.7%	23.9%	26.4%
Over $200k	8.2%	6.3%	13.3%

Demographics & statistics

20,935

Population

2,912

People per sq mi

35.0

Median age

$108,973

Median household income

$32,463

Per capita income

$480,400

Median home value

$2,126

Median monthly rent

83.4%

Home ownership

9.5%

Poverty rate

6.7%

Unemployment

4,585

Housing units

23.2%

Bachelor's or higher

Age distribution

Male Female

615

Under 5

617

822

5–9

823

616

10–14

618

826

15–19

828

941

20–24

942

1,408

25–34

1,410

1,264

35–44

1,267

1,436

45–54

1,438

817

55–59

819

538

60–64

540

702

65–74

704

355

75–84

356

116

85+

117

← Male

Female →

Age summary

Group	Count	%
Under 18	5,336	25.5%
18 and over	15,599	74.5%
65 and over	2,350	11.2%
Median age	35.0 years

Race & ethnicity

Hispanic or Latino 27.5%

White 25.7%

Other race 16.9%

Two or more races 13.8%

Black or African American 13.1%

Asian 2.4%

American Indian / Alaska Native 0.5%

Group	Count	%
Hispanic or Latino	7,933	27.5%
White	7,428	25.7%
Other race	4,887	16.9%
Two or more races	3,975	13.8%
Black or African American	3,793	13.1%
Asian	702	2.4%
American Indian / Alaska Native	138	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.2%	37.7%	32.6%
$50k – $100k	30.9%	32.0%	27.7%
$100k – $200k	39.7%	23.9%	26.4%
Over $200k	8.2%	6.3%	13.3%

Under $10k 3.9%

$10k–$15k 0.9%

$15k–$25k 2.5%

$25k–$35k 5.2%

$35k–$50k 2.8%

$50k–$75k 14.2%

$75k–$100k 12.6%

$100k–$150k 26.7%

$150k–$200k 16.5%

$200k+ 14.7%

Range	% of households
Under $10k	3.9%
$10k–$15k	0.9%
$15k–$25k	2.5%
$25k–$35k	5.2%
$35k–$50k	2.8%
$50k–$75k	14.2%
$75k–$100k	12.6%
$100k–$150k	26.7%
$150k–$200k	16.5%
$200k+	14.7%
Median income	$108,973

Housing

Home values

Under $50k 1.3%

$50k–$100k 4.4%

$100k–$150k 1.1%

$200k–$300k 3.2%

$300k–$500k 46.9%

$500k–$1M 41.9%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$480,400
Median rent / month	$2,126
Owner occupied	83.4%
Renter occupied	16.6%
Vacant	2.5%
Single-family detached	91.2%
Large apartment buildings	0.0%
Mobile homes	2.8%
Median rooms	6.5
Avg household size (owned)	3.86

Year built

Era	%
2020 or later	0.0%
2010–2019	0.7%
2000–2009	8.6%
1990–1999	36.4%
1980–1989	28.2%
1970–1979	10.3%
1960–1969	10.3%
1950–1959	4.1%
1940–1949	0.8%
1939 or earlier	0.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	1.4%
2 bedrooms	4.9%
3 bedrooms	35.5%
4 bedrooms	49.4%
5+ bedrooms	7.7%

Vehicles per household

Vehicles	% of households
No vehicle	0.9%
1 vehicle	14.8%
2 vehicles	32.9%
3 or more	51.4%

Heating fuel

Fuel type	%
Utility gas	77.0%
Electricity	18.4%
Propane / LP gas	2.2%
Fuel oil	0.9%
Solar	1.5%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	3,459	64.8%
Cohabiting couple	283	5.3%
Male householder, no spouse	441	8.3%
Female householder, no spouse	1,154	21.6%
Households with children under 18	2,535	47.5%
Households with seniors (65+)	1,718	32.2%
Average household size	3.91

Marital status

Status	Male	Female
Never married	43.5%	36.8%
Married	49.0%	44.7%
Separated	1.9%	3.4%
Widowed	0.9%	8.0%
Divorced	4.7%	7.2%

Education

Less than 9th grade 6.7%

Some HS, no diploma 7.1%

HS graduate 31.0%

Some college, no degree 23.1%

Associate's degree 8.8%

Bachelor's degree 16.2%

Graduate / professional 7.0%

Metric	%
HS diploma or higher	86.1%
Bachelor's or higher	23.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	222	3.9%
Kindergarten	315	5.5%
Elementary school	2,201	38.3%
High school	1,503	26.2%
College / grad school	1,501	26.1%

Employment

Industry of employment

Education & healthcare 20.7%

Professional & management 11.6%

Retail trade 10.4%

Arts, food & hospitality 10.3%

Transportation & utilities 9.5%

Construction 7.6%

Manufacturing 7.5%

Public administration 6.1%

Other services 5.9%

Finance & real estate 4.7%

Wholesale trade 3.7%

Information 1.2%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	30.5%
Service	17.0%
Sales & office	25.2%
Natural resources & construction	8.7%
Production & transportation	18.6%

Employment type

Type	%
Private sector	75.0%
Government	17.5%
Self-employed	7.1%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	71.4%
Carpool	16.4%
Public transit	2.6%
Walk	0.6%
Work from home	7.3%
Other means	1.7%
Avg commute (minutes)	37.2

Poverty

All people 9.5%

Under 18 years 16.4%

18 and over 7.2%

Married-couple families 4.1%

Female-led households 28.1%

Income support

Source	% of households
Social Security	33.8%
Retirement income	27.6%
Supplemental Security	5.3%
Cash public assistance	2.6%
Food stamps / SNAP	10.2%

Health indicators

Condition	%
Obesity	39.5%
High blood pressure	28.1%
High cholesterol	28.6%
Diabetes	10.2%
Heart disease	4.5%
Stroke	2.4%
Asthma	10.2%
Arthritis	18.2%
Kidney disease	2.5%
Pulmonary disease	4.6%
Cancer	4.4%

Behavior / access	%
Smoking	12.5%
Binge drinking	19.3%
No physical activity	22.3%
Less than 7 hrs sleep	37.7%
Depression	16.5%
Fair or poor health	15.3%
Poor mental health	15.0%
Poor physical health	9.7%
No health insurance	16.4%
Visited doctor (checkup)	65.0%
Visited dentist	63.3%
Cholesterol screening	90.3%
Teeth loss	12.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	715	4.6%

Disability	%
Any disability	8.9%
Under 18	2.7%
18–64 years	8.2%
65 and over	26.2%

Health insurance coverage

Type	%
Private insurance	66.0%
Public insurance	36.6%
No insurance	8.1%
Uninsured under 19	6.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,703	94.1%
Spanish	2,046	10.4%
Other Indo-European	1,855	9.4%
Asian & Pacific Islander	1	0.0%
Other languages	190	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,386	83.0%
Born in same state	17,104	81.7%
Born in different state	14,852	70.9%
Foreign born	282	1.3%
Naturalized citizen	3,549	17.0%
Not a US citizen	2,279	64.2%

Ancestry

Ancestry	Count	%
Italian	824	3.9%
French	711	3.4%
Arab	452	2.2%
English	157	0.7%

Ancestry	Count	%
Polish	48	0.2%
Dutch	39	0.2%
German	22	0.1%

Technology access

Metric	% of households
Computer access	25.5%
Internet access	98.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 92377

What city is ZIP code 92377 in?

ZIP code 92377 is primarily assigned to Rialto, California.

What county is ZIP code 92377 in?

ZIP code 92377 falls within San Bernardino County, California.

Is ZIP code 92377 mostly owner-occupied?

83% of occupied units in ZIP code 92377 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 92377?

The median home value in ZIP code 92377 is $480,400.

What is the median household income in ZIP code 92377?

The median household income in ZIP code 92377 is $108,973, above the national median of ~$75,000.

What is the population of ZIP code 92377?

ZIP code 92377 has an estimated population of 20,935 residents, with a density of 2,910 people per square mile.

What timezone is ZIP code 92377 in?

ZIP code 92377 observes the PST timezone.