94569 ZIP Code — Port Costa, CA

Contra Costa County, California

ZIP code 94569 is located in Port Costa, California, within Contra Costa County. It covers approximately 1.29 square miles and serves a population of 251 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 510/341.

About ZIP code 94569

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 $589,700. Renters make up the majority at 71%, typical of denser urban areas.

The dominant occupation class is natural resources, construction, and trades, with construction as the leading industry.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 30% of civilians, above the national average of 7%; and disability rates above the national average at 47%.

Overall, ZIP code 94569 reflects a community defined by a trades-oriented workforce, a strong veteran community, a significant Social Security-dependent population, and elevated reliance on food assistance.

251

population

1.29

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94569 ZIP code map

Cities in ZIP code 94569

Below are the cities the US Postal Service accepts for ZIP code 94569. Using any city not on this list may result in mail delivery delays.

City	Status
Port Costa	Acceptable

Demographics updated 05/2026

Population
Total population	251
Population density	195 / sq mi
State FIPS	06
County FIPS	013

Geography
Land area	1.29 sq mi
Water area	0.00 sq mi
Latitude	38.0460
Longitude	-122.1871
Timezone	Pacific (PT)
Area code	510/341

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.6%	23.2%	32.6%
$50k – $100k	28.2%	25.1%	27.7%
$100k – $200k	16.0%	31.3%	26.4%
Over $200k	12.2%	20.4%	13.3%

Demographics & statistics

251

Population

195

People per sq mi

66.8

Median age

Median household income

$53,593

Per capita income

$589,700

Median home value

Median monthly rent

29.2%

Home ownership

0.0%

Poverty rate

7.4%

Unemployment

Housing units

14.7%

Bachelor's or higher

Age distribution

Male Female

35–44

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	251	100.0%
65 and over	162	64.5%
Median age	66.8 years

Race & ethnicity

White 79.3%

Hispanic or Latino 10.4%

Other race 6.4%

Two or more races 3.9%

Group	Count	%
White	222	79.3%
Hispanic or Latino	29	10.4%
Other race	18	6.4%
Two or more races	11	3.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.6%	23.2%	32.6%
$50k – $100k	28.2%	25.1%	27.7%
$100k – $200k	16.0%	31.3%	26.4%
Over $200k	12.2%	20.4%	13.3%

$25k–$35k 50.3%

$50k–$75k 10.5%

$75k–$100k 22.8%

$200k+ 16.4%

Range	% of households
$25k–$35k	50.3%
$50k–$75k	10.5%
$75k–$100k	22.8%
$200k+	16.4%
Median income	$0

Housing

Home values

Under $50k 22.0%

$500k–$1M 78.0%

Housing overview

Metric	Value
Median home value	$589,700
Median rent / month	$0
Owner occupied	29.2%
Renter occupied	70.8%
Vacant	0.0%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.1
Avg household size (owned)	1.96

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	10.5%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	89.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	10.5%
2 bedrooms	6.4%
3 bedrooms	83.0%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	10.5%
1 vehicle	0.0%
2 vehicles	60.8%
3 or more	28.7%

Heating fuel

Fuel type	%
Utility gas	56.1%
Electricity	43.9%

Households & families

Household type	Count	%
Married-couple family	39	22.8%
Cohabiting couple	0	0.0%
Male householder, no spouse	104	60.8%
Female householder, no spouse	28	16.4%
Households with children under 18	0	0.0%
Households with seniors (65+)	125	73.1%
Average household size	1.47

Marital status

Status	Male	Female
Never married	10.3%	0.0%
Married	22.3%	48.7%
Separated	0.0%	0.0%
Widowed	42.9%	14.5%
Divorced	24.6%	36.8%

Education

Less than 9th grade 12.7%

Some HS, no diploma 0.0%

HS graduate 15.9%

Some college, no degree 11.6%

Associate's degree 45.0%

Bachelor's degree 0.0%

Graduate / professional 14.7%

Metric	%
HS diploma or higher	87.3%
Bachelor's or higher	14.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Construction 57.2%

Finance & real estate 20.3%

Manufacturing 8.0%

Education & healthcare 7.2%

Public administration 7.2%

Occupation

Category	%
Management, business & arts	27.5%
Service	7.2%
Sales & office	0.0%
Natural resources & construction	65.2%
Production & transportation	0.0%

Employment type

Type	%
Private sector	36.2%
Government	34.8%
Self-employed	29.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.0%
Carpool	0.0%
Public transit	0.0%
Walk	7.9%
Work from home	0.0%
Other means	14.2%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	73.1%
Retirement income	16.4%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	43.9%

Health indicators

Condition	%
Obesity	29.3%
High blood pressure	31.1%
High cholesterol	33.9%
Diabetes	10.1%
Heart disease	6.6%
Stroke	3.0%
Asthma	9.8%
Arthritis	27.2%
Kidney disease	3.0%
Pulmonary disease	6.7%
Cancer	7.9%

Behavior / access	%
Smoking	10.8%
Binge drinking	17.9%
No physical activity	17.1%
Less than 7 hrs sleep	29.2%
Depression	17.9%
Fair or poor health	12.7%
Poor mental health	13.1%
Poor physical health	10.2%
No health insurance	6.6%
Visited doctor (checkup)	68.4%
Visited dentist	72.8%
Cholesterol screening	93.8%
Teeth loss	7.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	75	29.9%

Disability	%
Any disability	47.0%
Under 18	0.0%
18–64 years	36.0%
65 and over	53.1%

Health insurance coverage

Type	%
Private insurance	80.5%
Public insurance	68.9%
No insurance	7.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	251	100.0%
Spanish	18	7.2%
Other Indo-European	18	7.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	233	92.8%
Born in same state	233	92.8%
Born in different state	114	45.4%
Foreign born	0	0.0%
Naturalized citizen	18	7.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	201	80.1%
Polish	28	11.2%

Ancestry	Count	%
French	11	4.4%

Technology access

Metric	% of households
Computer access	68.1%
Internet access	100.0%

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

Frequently asked questions about ZIP code 94569

What city is ZIP code 94569 in?

ZIP code 94569 is primarily assigned to Port Costa, California.

What county is ZIP code 94569 in?

ZIP code 94569 falls within Contra Costa County, California.

Does ZIP code 94569 have an older population?

65% of residents in ZIP code 94569 are 65 or older, above the national average of ~17%.

Does ZIP code 94569 have a large retiree population?

73% of households in ZIP code 94569 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 94569 mostly rentals?

71% of occupied units in ZIP code 94569 are renter-occupied.

Does ZIP code 94569 have a large veteran population?

30% of civilians in ZIP code 94569 are veterans, above the national average of ~7%.

What timezone is ZIP code 94569 in?

ZIP code 94569 observes the PST timezone.