94547 ZIP Code — Hercules, CA

Contra Costa County, California

ZIP code 94547 is located in Hercules, California, within Contra Costa County. It covers approximately 5.67 square miles and serves a population of 26,041 residents. This is a po box ZIP code in the Pacific (PT) timezone, served by area code 341/510.

About ZIP code 94547

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $690,000. Owner-occupancy is high at 80%, well above the national average.

Median household income is $125,880. The poverty rate of 5% is below the national average. 32% 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 40 minutes suggests many residents work outside the immediate area.

Educational attainment is high — 45% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 94547 reflects a community defined by high homeownership and a significant Social Security-dependent population.

26,041

population

5.67

sq mi land

PO Box

ZIP type

Pacific (PT)

timezone

94547 ZIP code map

Cities in ZIP code 94547

Below are the cities the US Postal Service accepts for ZIP code 94547. Using any city not on this list may result in mail delivery delays.

City	Status
Hercules	Acceptable
Hercules	Preferred

Nearby ZIP codes

94564 Pinole (1.5 mi) 94572 Rodeo (1.8 mi) 94525 Crockett (3.2 mi) 94803 El Sobrante (3.4 mi) 94806 San Pablo (4.5 mi) 94805 Richmond (5.4 mi) 94590 Vallejo (6 mi) 94553 Martinez (6.1 mi) 94530 El Cerrito (6.2 mi) 94850 Richmond (6.9 mi) 94801 Richmond (7.4 mi) 94804 Richmond (7.4 mi)

Demographics updated 05/2026

Population
Total population	26,041
Population density	4,593 / sq mi
State FIPS	06
County FIPS	013

Geography
Land area	5.67 sq mi
Water area	0.00 sq mi
Latitude	38.0084
Longitude	-122.2594
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	19.5%	23.2%	32.6%
$50k – $100k	23.2%	25.1%	27.7%
$100k – $200k	38.9%	31.3%	26.4%
Over $200k	18.4%	20.4%	13.3%

Demographics & statistics

26,041

Population

4,593

People per sq mi

42.6

Median age

$125,880

Median household income

$52,818

Per capita income

$690,000

Median home value

$2,759

Median monthly rent

80.0%

Home ownership

4.7%

Poverty rate

4.4%

Unemployment

7,504

Housing units

45.3%

Bachelor's or higher

Age distribution

Male Female

522

Under 5

586

814

5–9

914

780

10–14

876

584

15–19

656

692

20–24

776

1,440

25–34

1,616

1,764

35–44

1,979

1,543

45–54

1,731

1,039

55–59

1,166

924

60–64

1,038

1,410

65–74

1,583

589

75–84

660

169

85+

190

← Male

Female →

Age summary

Group	Count	%
Under 18	5,152	19.8%
18 and over	20,889	80.2%
65 and over	4,601	17.7%
Median age	42.6 years

Race & ethnicity

Asian 37.6%

White 20.2%

Black or African American 17.6%

Hispanic or Latino 9.8%

Two or more races 7.6%

Other race 6.2%

Native Hawaiian / Pacific Islander 0.9%

Group	Count	%
Asian	10,862	37.6%
White	5,833	20.2%
Black or African American	5,084	17.6%
Hispanic or Latino	2,817	9.8%
Two or more races	2,189	7.6%
Other race	1,797	6.2%
Native Hawaiian / Pacific Islander	269	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.5%	23.2%	32.6%
$50k – $100k	23.2%	25.1%	27.7%
$100k – $200k	38.9%	31.3%	26.4%
Over $200k	18.4%	20.4%	13.3%

Under $10k 3.8%

$10k–$15k 3.1%

$15k–$25k 3.2%

$25k–$35k 1.7%

$35k–$50k 6.7%

$50k–$75k 10.6%

$75k–$100k 9.7%

$100k–$150k 21.1%

$150k–$200k 13.0%

$200k+ 27.1%

Range	% of households
Under $10k	3.8%
$10k–$15k	3.1%
$15k–$25k	3.2%
$25k–$35k	1.7%
$35k–$50k	6.7%
$50k–$75k	10.6%
$75k–$100k	9.7%
$100k–$150k	21.1%
$150k–$200k	13.0%
$200k+	27.1%
Median income	$125,880

Housing

Home values

Under $50k 2.3%

$50k–$100k 1.3%

$100k–$150k 0.3%

$200k–$300k 0.9%

$300k–$500k 20.0%

$500k–$1M 65.5%

$1M+ 9.8%

Housing overview

Metric	Value
Median home value	$690,000
Median rent / month	$2,759
Owner occupied	80.0%
Renter occupied	20.0%
Vacant	3.3%
Single-family detached	60.1%
Large apartment buildings	5.3%
Mobile homes	0.3%
Median rooms	6.2
Avg household size (owned)	2.94

Year built

Era	%
2020 or later	0.9%
2010–2019	3.8%
2000–2009	22.1%
1990–1999	13.0%
1980–1989	43.9%
1970–1979	15.0%
1960–1969	0.9%
1950–1959	0.0%
1940–1949	0.2%
1939 or earlier	0.2%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	5.1%
2 bedrooms	22.7%
3 bedrooms	28.3%
4 bedrooms	32.4%
5+ bedrooms	9.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	31.1%
2 vehicles	33.0%
3 or more	32.7%

Heating fuel

Fuel type	%
Utility gas	66.3%
Electricity	27.3%
Propane / LP gas	2.3%
Wood	0.4%
Solar	2.5%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	5,025	55.9%
Cohabiting couple	345	3.8%
Male householder, no spouse	1,069	11.9%
Female householder, no spouse	2,551	28.4%
Households with children under 18	2,961	32.9%
Households with seniors (65+)	3,236	36.0%
Average household size	2.89

Marital status

Status	Male	Female
Never married	31.4%	30.3%
Married	61.7%	49.3%
Separated	0.9%	1.3%
Widowed	1.4%	6.1%
Divorced	4.6%	13.0%

Education

Less than 9th grade 5.4%

Some HS, no diploma 2.7%

HS graduate 14.4%

Some college, no degree 21.1%

Associate's degree 11.1%

Bachelor's degree 30.4%

Graduate / professional 14.9%

Metric	%
HS diploma or higher	91.9%
Bachelor's or higher	45.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	358	5.7%
Kindergarten	239	3.8%
Elementary school	2,540	40.3%
High school	1,128	17.9%
College / grad school	2,043	32.4%

Employment

Industry of employment

Education & healthcare 28.7%

Professional & management 11.9%

Retail trade 8.4%

Finance & real estate 8.4%

Transportation & utilities 8.1%

Public administration 7.5%

Arts, food & hospitality 7.1%

Manufacturing 6.1%

Construction 4.2%

Other services 4.1%

Information 2.3%

Wholesale trade 1.7%

Agriculture & mining 1.5%

Occupation

Category	%
Management, business & arts	50.3%
Service	11.8%
Sales & office	25.0%
Natural resources & construction	4.9%
Production & transportation	8.2%

Employment type

Type	%
Private sector	74.1%
Government	19.5%
Self-employed	6.3%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	64.8%
Carpool	8.4%
Public transit	9.4%
Walk	0.3%
Work from home	15.3%
Other means	1.9%
Avg commute (minutes)	40.4

Poverty

All people 4.7%

Under 18 years 1.6%

18 and over 5.5%

Married-couple families 1.7%

Female-led households 4.3%

Income support

Source	% of households
Social Security	32.2%
Retirement income	29.6%
Supplemental Security	4.8%
Cash public assistance	2.2%
Food stamps / SNAP	6.6%

Health indicators

Condition	%
Obesity	24.3%
High blood pressure	25.9%
High cholesterol	27.9%
Diabetes	9.7%
Heart disease	4.0%
Stroke	2.2%
Asthma	8.3%
Arthritis	17.9%
Kidney disease	2.1%
Pulmonary disease	3.6%
Cancer	4.6%

Behavior / access	%
Smoking	9.0%
Binge drinking	14.4%
No physical activity	19.0%
Less than 7 hrs sleep	32.8%
Depression	12.7%
Fair or poor health	10.8%
Poor mental health	11.5%
Poor physical health	7.3%
No health insurance	8.8%
Visited doctor (checkup)	66.4%
Visited dentist	69.7%
Cholesterol screening	92.2%
Teeth loss	6.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	926	4.4%

Disability	%
Any disability	9.7%
Under 18	2.1%
18–64 years	7.2%
65 and over	26.8%

Health insurance coverage

Type	%
Private insurance	81.4%
Public insurance	29.2%
No insurance	2.8%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	24,933	95.7%
Spanish	3,466	13.9%
Other Indo-European	657	2.6%
Asian & Pacific Islander	1,003	4.0%
Other languages	1,643	6.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,627	67.7%
Born in same state	16,537	63.5%
Born in different state	14,025	53.9%
Foreign born	1,090	4.2%
Naturalized citizen	8,414	32.3%
Not a US citizen	6,566	78.0%

Ancestry

Ancestry	Count	%
Italian	665	2.6%
French	505	1.9%
Arab	377	1.4%
Polish	157	0.6%
Dutch	69	0.3%

Ancestry	Count	%
English	46	0.2%
Irish	32	0.1%
German	19	0.1%
Norwegian	16	0.1%

Technology access

Metric	% of households
Computer access	34.5%
Internet access	97.8%

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

Frequently asked questions about ZIP code 94547

What city is ZIP code 94547 in?

ZIP code 94547 is primarily assigned to Hercules, California.

What county is ZIP code 94547 in?

ZIP code 94547 falls within Contra Costa County, California.

How educated is the population of ZIP code 94547?

45% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 94547?

The median household income in ZIP code 94547 is $125,880, above the national median of ~$75,000.

What is the typical home value in ZIP code 94547?

The median home value in ZIP code 94547 is $690,000.

What is the population of ZIP code 94547?

ZIP code 94547 has an estimated population of 26,041 residents, with a density of 4,593 people per square mile.

What timezone is ZIP code 94547 in?

ZIP code 94547 observes the PST timezone.