Oakley ZIP Code List — Contra Costa County, CA

There is one unique ZIP code in Oakley, California and it is 94561. Area code: 925.

ZIP codes

17.34

sq mi land

0.44

sq mi water

925

area code

Oakley, CA ZIP code map

About Oakley, CA

Oakley is a charming city located in the eastern part of Contra Costa County in California. This vibrant community presents a mix of suburban living combined with a rich agricultural heritage. Oakley offers a welcoming atmosphere and a variety of recreational activities for residents and visitors alike.

Location & geography

Geographically, Oakley is located approximately 15 miles southeast of Concord and 25 miles northeast of Oakland. The city covers a total land area of 17.34 square miles and a small water area of 0.44 square miles. The terrain features a blend of rolling hills and flatlands, making it ideal for farming and residential development.

Community & economy

Oakley’s community is characterized by its small-town charm and friendly neighborhoods. The local economy is diverse, with industries ranging from agriculture to retail services, as well as a growing number of small businesses. Daily life in Oakley is enriched by numerous parks and recreational facilities, creating a family-friendly environment.

Transportation

Transportation in Oakley is facilitated by major highways, including State Route 4, which provides convenient access to neighboring cities and beyond. The nearest airport is the Oakland International Airport, located about 30 miles away, offering both domestic and international flights. Public transit options are available through buses and nearby commuter train services.

History

Founded in the late 19th century, Oakley originally thrived on agriculture, particularly with the growth of fruit orchards and farming. Key industries over time have evolved to include retail and services, as the population has grown and diversified. Notable events in Oakley's history include the establishment of its first post office in 1895, which allowed for greater connectivity with other regions.

Did you know?

One surprising fact about Oakley is that it was once known as the 'Gateway to the Delta,' as it serves as a key entry point to the Sacramento-San Joaquin Delta. Additionally, Oakley maintains a strong commitment to preserving local wildlife and natural habitats, which is evident in its numerous parks and open spaces.

ZIP codes for Oakley, CA (1)

ZIP code	City	County	Map
94561	Oakley	Contra Costa	View map

Demographics & statistics

44,546

Population

35.6

Median age

$119,646

Median household income

$41,146

Per capita income

$610,200

Median home value

$2,076

Median monthly rent

76.6%

Home ownership

7.3%

Poverty rate

5.7%

Unemployment

10,806

Housing units

22.5%

Bachelor's or higher

Age distribution

Male Female

1,701

Under 5

1,641

1,546

5–9

1,493

1,657

10–14

1,600

1,419

15–19

1,370

1,566

20–24

1,511

3,210

25–34

3,099

3,327

35–44

3,212

2,836

45–54

2,737

1,589

55–59

1,533

1,546

60–64

1,492

1,627

65–74

1,570

476

75–84

459

167

85+

162

← Male

Female →

Age summary

Group	Count	%
Under 18	11,230	25.2%
18 and over	33,316	74.8%
65 and over	4,461	10.0%
Median age	35.6 years

Race & ethnicity

White 44.2%

Hispanic or Latino 18.4%

Other race 11.4%

Two or more races 11.2%

Black or African American 7.1%

Asian 6.5%

Native Hawaiian / Pacific Islander 0.6%

American Indian / Alaska Native 0.5%

Group	Count	%
White	24,154	44.2%
Hispanic or Latino	10,071	18.4%
Other race	6,236	11.4%
Two or more races	6,119	11.2%
Black or African American	3,853	7.1%
Asian	3,542	6.5%
Native Hawaiian / Pacific Islander	353	0.6%
American Indian / Alaska Native	289	0.5%

Household income

Under $10k 2.8%

$10k–$15k 1.5%

$15k–$25k 4.5%

$25k–$35k 6.4%

$35k–$50k 3.8%

$50k–$75k 7.8%

$75k–$100k 10.9%

$100k–$150k 25.7%

$150k–$200k 16.9%

$200k+ 19.6%

Range	% of households
Under $10k	2.8%
$10k–$15k	1.5%
$15k–$25k	4.5%
$25k–$35k	6.4%
$35k–$50k	3.8%
$50k–$75k	7.8%
$75k–$100k	10.9%
$100k–$150k	25.7%
$150k–$200k	16.9%
$200k+	19.6%
Median income	$119,646

Housing

Home values

Under $50k 1.0%

$50k–$100k 1.2%

$100k–$150k 0.7%

$150k–$200k 1.5%

$200k–$300k 2.9%

$300k–$500k 17.0%

$500k–$1M 73.1%

$1M+ 2.7%

Housing overview

Metric	Value
Median home value	$610,200
Median rent / month	$2,076
Owner occupied	76.6%
Renter occupied	23.4%
Vacant	3.5%
Single-family detached	90.1%
Large apartment buildings	2.7%
Mobile homes	2.5%
Median rooms	6.2
Avg household size (owned)	3.28

Year built

Era	%
2020 or later	1.7%
2010–2019	10.8%
2000–2009	25.1%
1990–1999	22.6%
1980–1989	21.9%
1970–1979	7.3%
1960–1969	2.4%
1950–1959	4.7%
1940–1949	2.4%
1939 or earlier	1.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	3.9%
2 bedrooms	9.1%
3 bedrooms	44.2%
4 bedrooms	31.3%
5+ bedrooms	10.9%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	13.5%
2 vehicles	32.2%
3 or more	51.2%

Heating fuel

Fuel type	%
Utility gas	66.0%
Electricity	26.0%
Propane / LP gas	3.2%
Wood	1.0%
Solar	3.4%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	8,684	64.5%
Cohabiting couple	974	7.2%
Male householder, no spouse	1,551	11.5%
Female householder, no spouse	2,254	16.7%
Households with children under 18	5,834	43.3%
Households with seniors (65+)	3,287	24.4%
Average household size	3.30

Marital status

Status	Male	Female
Never married	33.4%	31.1%
Married	56.5%	53.7%
Separated	1.0%	1.6%
Widowed	1.8%	5.8%
Divorced	7.4%	7.8%

Education

Less than 9th grade 4.2%

Some HS, no diploma 6.7%

HS graduate 29.1%

Some college, no degree 26.1%

Associate's degree 11.4%

Bachelor's degree 17.6%

Graduate / professional 4.8%

Metric	%
HS diploma or higher	89.0%
Bachelor's or higher	22.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	712	6.3%
Kindergarten	368	3.3%
Elementary school	5,281	46.7%
High school	1,999	17.7%
College / grad school	2,950	26.1%

Employment

Industry of employment

Education & healthcare 21.5%

Retail trade 14.3%

Professional & management 11.8%

Construction 9.8%

Arts, food & hospitality 7.7%

Finance & real estate 7.4%

Transportation & utilities 6.9%

Other services 6.7%

Manufacturing 4.7%

Public administration 4.2%

Information 1.8%

Wholesale trade 1.6%

Agriculture & mining 1.4%

Occupation

Category	%
Management, business & arts	35.5%
Service	14.7%
Sales & office	24.8%
Natural resources & construction	12.2%
Production & transportation	12.8%

Employment type

Type	%
Private sector	80.6%
Government	14.8%
Self-employed	4.6%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	74.0%
Carpool	9.3%
Public transit	2.6%
Walk	0.3%
Other means	1.0%
Avg commute (minutes)	43.6

Poverty

All people 7.3%

Under 18 years 7.8%

18 and over 7.1%

Married-couple families 2.1%

Female-led households 24.0%

Income support

Source	% of households
Social Security	28.4%
Retirement income	23.0%
Supplemental Security	6.8%
Cash public assistance	3.2%
Food stamps / SNAP	7.5%

Health indicators

Condition	%
High blood pressure	23.6%
High cholesterol	25.8%
Heart disease	4.3%
Stroke	2.2%
Asthma	10.0%
Arthritis	18.7%
Kidney disease	2.2%
Pulmonary disease	5.0%
Cancer	4.6%

Behavior / access	%
Binge drinking	20.7%
No physical activity	20.1%
Less than 7 hrs sleep	32.8%
Fair or poor health	13.6%
Poor mental health	15.5%
Poor physical health	9.5%
No health insurance	13.3%
Visited doctor (checkup)	62.0%
Visited dentist	65.6%
Cholesterol screening	89.3%
Teeth loss	10.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,692	5.1%

Disability	%
Any disability	12.3%
Under 18	5.2%
18–64 years	11.2%
65 and over	37.2%

Health insurance coverage

Type	%
Private insurance	78.4%
Public insurance	28.6%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	41,204	92.5%
Spanish	3,600	8.7%
Other Indo-European	2,792	6.8%
Asian & Pacific Islander	76	0.2%
Other languages	695	1.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	37,523	84.2%
Born in same state	36,709	82.4%
Born in different state	31,240	70.1%
Foreign born	814	1.8%
Naturalized citizen	7,023	15.8%
Not a US citizen	4,383	62.4%

Ancestry

Ancestry	Count	%
French	3,548	8%
Italian	3,152	7.1%
Arab	1,686	3.8%
English	350	0.8%

Ancestry	Count	%
Polish	308	0.7%
German	221	0.5%
Dutch	88	0.2%
Irish	61	0.1%

Technology access

Metric	% of households
Computer access	30.2%
Internet access	98.1%

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

Frequently asked questions

What is the ZIP code for Oakley, CA?

Oakley, CA has one ZIP code: 94561.

What is the main ZIP code for Oakley, CA?

The primary ZIP code for Oakley, CA is 94561. The city uses area code 925 for phone service.

What county is Oakley, CA in?

Oakley is located in Contra Costa County, California.

How many ZIP codes are in Oakley, CA?

Oakley, CA has 1 ZIP code.

What is the ZIP code for downtown Oakley and the area around Main Street?

Downtown Oakley and the Main Street commercial district are located in ZIP code 94561, which serves as the primary ZIP code for the city's central business area.

What ZIP code covers the Oakley waterfront area near the Delta Waterways?

The Oakley waterfront and areas near the Sacramento-San Joaquin Delta are served by ZIP code 94561, which encompasses the city's eastern residential and recreational districts.