94803 ZIP Code — El Sobrante, CA

Contra Costa County, California

ZIP code 94803 is located in El Sobrante, California, within Contra Costa County. It covers approximately 12.82 square miles and serves a population of 27,171 residents. This is a po box ZIP code in the Pacific (PT) timezone, served by area code 341/510.

About ZIP code 94803

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $696,600. Owner-occupancy sits near the national average at 71%.

The gap between median ($111,610) and mean household income suggests income inequality — a small number of higher earners pull the average up. 36% 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 41% of residents holding a bachelor's degree or higher.

27,171

population

12.82

sq mi land

PO Box

ZIP type

Pacific (PT)

timezone

94803 ZIP code map

Cities in ZIP code 94803

Below are the cities the US Postal Service accepts for ZIP code 94803. Using any city not on this list may result in mail delivery delays.

City	Status
El Sobrante	Acceptable
El Sobrante	Preferred

Nearby ZIP codes

94805 Richmond (2.2 mi) 94564 Pinole (2.3 mi) 94530 El Cerrito (2.9 mi) 94806 San Pablo (3.1 mi) 94547 Hercules (3.4 mi) 94850 Richmond (4 mi) 94804 Richmond (4.3 mi) 94707 Berkeley (4.4 mi) 94708 Berkeley (4.5 mi) 94706 Albany (5.1 mi) 94572 Rodeo (5.1 mi) 94801 Richmond (5.4 mi)

Demographics updated 05/2026

Population
Total population	27,171
Population density	2,119 / sq mi
State FIPS	06
County FIPS	013

Geography
Land area	12.82 sq mi
Water area	0.00 sq mi
Latitude	37.9629
Longitude	-122.2815
Timezone	Pacific (PT)
Area code	341/510

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.4%	23.2%	32.6%
$50k – $100k	31.9%	25.1%	27.7%
$100k – $200k	36.7%	31.3%	26.4%
Over $200k	11.0%	20.4%	13.3%

Demographics & statistics

27,171

Population

2,119

People per sq mi

44.0

Median age

$111,610

Median household income

$48,980

Per capita income

$696,600

Median home value

$2,101

Median monthly rent

70.7%

Home ownership

7.9%

Poverty rate

5.1%

Unemployment

7,058

Housing units

40.7%

Bachelor's or higher

Age distribution

Male Female

484

Under 5

482

817

5–9

813

717

10–14

714

527

15–19

525

662

20–24

658

2,034

25–34

2,024

1,678

35–44

1,670

2,075

45–54

2,064

955

55–59

950

867

60–64

863

1,898

65–74

1,888

620

75–84

617

285

85+

284

← Male

Female →

Age summary

Group	Count	%
Under 18	4,757	17.5%
18 and over	22,414	82.5%
65 and over	5,592	20.6%
Median age	44.0 years

Race & ethnicity

White 32%

Asian 19.1%

Hispanic or Latino 15.1%

Two or more races 12.8%

Black or African American 11.9%

Other race 7.7%

Native Hawaiian / Pacific Islander 0.9%

American Indian / Alaska Native 0.6%

Group	Count	%
White	10,234	32%
Asian	6,104	19.1%
Hispanic or Latino	4,816	15.1%
Two or more races	4,085	12.8%
Black or African American	3,822	11.9%
Other race	2,450	7.7%
Native Hawaiian / Pacific Islander	292	0.9%
American Indian / Alaska Native	184	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.4%	23.2%	32.6%
$50k – $100k	31.9%	25.1%	27.7%
$100k – $200k	36.7%	31.3%	26.4%
Over $200k	11.0%	20.4%	13.3%

Under $10k 3.7%

$10k–$15k 1.4%

$15k–$25k 3.2%

$25k–$35k 4.0%

$35k–$50k 4.9%

$50k–$75k 11.5%

$75k–$100k 13.4%

$100k–$150k 22.2%

$150k–$200k 17.6%

$200k+ 18.1%

Range	% of households
Under $10k	3.7%
$10k–$15k	1.4%
$15k–$25k	3.2%
$25k–$35k	4.0%
$35k–$50k	4.9%
$50k–$75k	11.5%
$75k–$100k	13.4%
$100k–$150k	22.2%
$150k–$200k	17.6%
$200k+	18.1%
Median income	$111,610

Housing

Home values

Under $50k 1.6%

$50k–$100k 0.2%

$100k–$150k 0.1%

$150k–$200k 0.3%

$200k–$300k 0.6%

$300k–$500k 13.2%

$500k–$1M 76.1%

$1M+ 7.8%

Housing overview

Metric	Value
Median home value	$696,600
Median rent / month	$2,101
Owner occupied	70.7%
Renter occupied	29.3%
Vacant	4.5%
Single-family detached	75.3%
Large apartment buildings	7.6%
Mobile homes	0.4%
Median rooms	5.8
Avg household size (owned)	2.88

Year built

Era	%
2020 or later	0.0%
2010–2019	1.5%
2000–2009	5.0%
1990–1999	7.1%
1980–1989	18.1%
1970–1979	22.2%
1960–1969	14.1%
1950–1959	20.3%
1940–1949	9.5%
1939 or earlier	2.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.7%
1 bedroom	4.1%
2 bedrooms	20.6%
3 bedrooms	40.0%
4 bedrooms	28.7%
5+ bedrooms	3.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	19.9%
2 vehicles	39.5%
3 or more	37.7%

Heating fuel

Fuel type	%
Utility gas	79.7%
Electricity	15.6%
Propane / LP gas	1.0%
Fuel oil	0.3%
Wood	0.9%
Solar	1.9%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	5,148	55.0%
Cohabiting couple	754	8.1%
Male householder, no spouse	1,423	15.2%
Female householder, no spouse	2,028	21.7%
Households with children under 18	2,978	31.8%
Households with seniors (65+)	3,993	42.7%
Average household size	2.89

Marital status

Status	Male	Female
Never married	37.5%	29.5%
Married	52.2%	50.0%
Separated	1.5%	2.1%
Widowed	1.8%	7.4%
Divorced	7.0%	11.0%

Education

Less than 9th grade 4.3%

Some HS, no diploma 5.1%

HS graduate 16.9%

Some college, no degree 24.2%

Associate's degree 8.8%

Bachelor's degree 26.9%

Graduate / professional 13.8%

Metric	%
HS diploma or higher	90.6%
Bachelor's or higher	40.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	397	6.4%
Kindergarten	361	5.8%
Elementary school	2,271	36.4%
High school	1,098	17.6%
College / grad school	2,109	33.8%

Employment

Industry of employment

Education & healthcare 26.9%

Professional & management 13.5%

Retail trade 10.4%

Transportation & utilities 9.5%

Arts, food & hospitality 9.5%

Other services 6.0%

Finance & real estate 5.9%

Manufacturing 4.4%

Public administration 4.1%

Construction 4.0%

Wholesale trade 3.8%

Information 1.8%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	43.4%
Service	17.4%
Sales & office	22.5%
Natural resources & construction	4.5%
Production & transportation	12.2%

Employment type

Type	%
Private sector	73.4%
Government	18.2%
Self-employed	8.2%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	68.2%
Carpool	9.5%
Public transit	6.5%
Walk	0.3%
Work from home	13.0%
Other means	2.5%
Avg commute (minutes)	37.0

Poverty

All people 7.9%

Under 18 years 10.9%

18 and over 7.3%

Married-couple families 2.9%

Female-led households 14.0%

Income support

Source	% of households
Social Security	35.8%
Retirement income	29.7%
Supplemental Security	7.4%
Cash public assistance	2.9%
Food stamps / SNAP	7.0%

Health indicators

Condition	%
Obesity	28.5%
High blood pressure	28.3%
High cholesterol	29.8%
Diabetes	10.1%
Heart disease	5.2%
Stroke	2.6%
Asthma	9.3%
Arthritis	21.6%
Kidney disease	2.6%
Pulmonary disease	5.0%
Cancer	5.9%

Behavior / access	%
Smoking	10.5%
Binge drinking	16.3%
No physical activity	19.4%
Less than 7 hrs sleep	32.0%
Depression	15.2%
Fair or poor health	12.8%
Poor mental health	12.8%
Poor physical health	9.0%
No health insurance	10.0%
Visited doctor (checkup)	67.0%
Visited dentist	69.0%
Cholesterol screening	92.3%
Teeth loss	8.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,327	5.9%

Disability	%
Any disability	11.4%
Under 18	3.6%
18–64 years	6.6%
65 and over	32.5%

Health insurance coverage

Type	%
Private insurance	72.5%
Public insurance	36.6%
No insurance	7.2%
Uninsured under 19	7.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	26,205	96.4%
Spanish	4,348	16.6%
Other Indo-European	2,056	7.8%
Asian & Pacific Islander	841	3.2%
Other languages	1,388	5.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,293	71.0%
Born in same state	18,823	69.3%
Born in different state	14,139	52.0%
Foreign born	470	1.7%
Naturalized citizen	7,878	29.0%
Not a US citizen	4,734	60.1%

Ancestry

Ancestry	Count	%
French	1,918	7.1%
Italian	1,317	4.8%
English	410	1.5%
Arab	410	1.5%
Polish	275	1%

Ancestry	Count	%
Dutch	79	0.3%
Irish	51	0.2%
German	36	0.1%
Norwegian	28	0.1%

Technology access

Metric	% of households
Computer access	34.4%
Internet access	96.5%

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

Frequently asked questions about ZIP code 94803

What city is ZIP code 94803 in?

ZIP code 94803 is primarily assigned to El Sobrante, California.

What county is ZIP code 94803 in?

ZIP code 94803 falls within Contra Costa County, California.

Does ZIP code 94803 have a large retiree population?

36% of households in ZIP code 94803 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 94803?

The median home value in ZIP code 94803 is $696,600.

What is the median household income in ZIP code 94803?

The median household income in ZIP code 94803 is $111,610, above the national median of ~$75,000.

What is the population of ZIP code 94803?

ZIP code 94803 has an estimated population of 27,171 residents, with a density of 2,120 people per square mile.

What timezone is ZIP code 94803 in?

ZIP code 94803 observes the PST timezone.