94577 ZIP Code — San Leandro, CA

Alameda County, California

ZIP code 94577 is located in San Leandro, California, within Alameda County. It covers approximately 8.12 square miles and serves a population of 47,937 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 341/510.

About ZIP code 94577

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $788,100. Owner-occupancy sits near the national average at 57%.

The gap between median ($106,695) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 31% 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. The average commute of 32 minutes is near the national average.

Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.

Notable community characteristics include Spanish spoken in 20% of households.

47,937

population

8.12

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94577 ZIP code map

Cities in ZIP code 94577

Below are the cities the US Postal Service accepts for ZIP code 94577. Using any city not on this list may result in mail delivery delays.

City	Status
San Leandro	Preferred

Nearby ZIP codes

94603 Oakland (1.8 mi) 94578 San Leandro (1.8 mi) 94579 San Leandro (2 mi) 94605 Oakland (2.8 mi) 94621 Oakland (2.9 mi) 94580 San Lorenzo (3 mi) 94546 Castro Valley (3.3 mi) 94502 Alameda (4.7 mi) 94619 Oakland (5 mi) 94541 Hayward (5.2 mi) 94601 Oakland (5.2 mi) 94545 Hayward (6.3 mi)

Demographics updated 06/2026

Population
Total population	47,937
Population density	5,904 / sq mi
State FIPS	06
County FIPS	001

Geography
Land area	8.12 sq mi
Water area	0.71 sq mi
Latitude	37.7159
Longitude	-122.1610
Timezone	Pacific (PT)
Area code	341/510

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.2%	24.6%	32.6%
$50k – $100k	26.4%	23.2%	27.7%
$100k – $200k	31.0%	30.5%	26.4%
Over $200k	14.4%	21.7%	13.3%

Demographics & statistics

47,937

Population

5,904

People per sq mi

40.6

Median age

$106,695

Median household income

$49,749

Per capita income

$788,100

Median home value

$2,073

Median monthly rent

56.5%

Home ownership

7.2%

Poverty rate

4.7%

Unemployment

10,180

Housing units

37.7%

Bachelor's or higher

Age distribution

Male Female

1,163

Under 5

1,120

1,062

5–9

1,023

1,157

10–14

1,114

1,442

15–19

1,388

1,626

20–24

1,565

3,640

25–34

3,503

3,509

35–44

3,377

3,448

45–54

3,319

1,702

55–59

1,639

1,505

60–64

1,448

2,450

65–74

2,358

1,142

75–84

1,100

579

85+

558

← Male

Female →

Age summary

Group	Count	%
Under 18	8,534	17.8%
18 and over	39,403	82.2%
65 and over	8,187	17.1%
Median age	40.6 years

Race & ethnicity

White 27.8%

Asian 23.7%

Hispanic or Latino 15.3%

Black or African American 11.4%

Other race 9.6%

Two or more races 9.5%

American Indian / Alaska Native 1.6%

Native Hawaiian / Pacific Islander 1.1%

Group	Count	%
White	15,747	27.8%
Asian	13,392	23.7%
Hispanic or Latino	8,684	15.3%
Black or African American	6,449	11.4%
Other race	5,446	9.6%
Two or more races	5,356	9.5%
American Indian / Alaska Native	924	1.6%
Native Hawaiian / Pacific Islander	623	1.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.2%	24.6%	32.6%
$50k – $100k	26.4%	23.2%	27.7%
$100k – $200k	31.0%	30.5%	26.4%
Over $200k	14.4%	21.7%	13.3%

Under $10k 3.2%

$10k–$15k 3.0%

$15k–$25k 5.6%

$25k–$35k 6.2%

$35k–$50k 7.7%

$50k–$75k 9.0%

$75k–$100k 12.7%

$100k–$150k 18.6%

$150k–$200k 11.8%

$200k+ 22.2%

Range	% of households
Under $10k	3.2%
$10k–$15k	3.0%
$15k–$25k	5.6%
$25k–$35k	6.2%
$35k–$50k	7.7%
$50k–$75k	9.0%
$75k–$100k	12.7%
$100k–$150k	18.6%
$150k–$200k	11.8%
$200k+	22.2%
Median income	$106,695

Housing

Home values

Under $50k 3.2%

$50k–$100k 0.5%

$100k–$150k 0.8%

$150k–$200k 0.1%

$200k–$300k 2.9%

$300k–$500k 8.5%

$500k–$1M 63.5%

$1M+ 20.6%

Housing overview

Metric	Value
Median home value	$788,100
Median rent / month	$2,073
Owner occupied	56.5%
Renter occupied	43.5%
Vacant	4.3%
Single-family detached	56.6%
Large apartment buildings	18.3%
Mobile homes	2.1%
Median rooms	4.8
Avg household size (owned)	2.90

Year built

Era	%
2020 or later	0.1%
2010–2019	2.9%
2000–2009	5.7%
1990–1999	3.7%
1980–1989	13.4%
1970–1979	11.0%
1960–1969	11.7%
1950–1959	15.3%
1940–1949	17.4%
1939 or earlier	18.9%

Bedrooms

Size	% of units
No bedroom (studio)	5.4%
1 bedroom	16.1%
2 bedrooms	34.6%
3 bedrooms	30.8%
4 bedrooms	10.5%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	8.0%
1 vehicle	33.5%
2 vehicles	34.6%
3 or more	24.0%

Heating fuel

Fuel type	%
Utility gas	65.7%
Electricity	30.0%
Propane / LP gas	1.1%
Fuel oil	0.3%
Wood	0.3%
Solar	0.4%
No fuel used	2.1%

Households & families

Household type	Count	%
Married-couple family	7,812	46.8%
Cohabiting couple	1,131	6.8%
Male householder, no spouse	2,986	17.9%
Female householder, no spouse	4,755	28.5%
Households with children under 18	4,866	29.2%
Households with seniors (65+)	5,706	34.2%
Average household size	2.85

Marital status

Status	Male	Female
Never married	42.5%	34.7%
Married	46.0%	42.6%
Separated	1.2%	2.4%
Widowed	1.8%	8.6%
Divorced	8.6%	11.7%

Education

Less than 9th grade 8.1%

Some HS, no diploma 5.9%

HS graduate 20.3%

Some college, no degree 19.4%

Associate's degree 8.7%

Bachelor's degree 25.0%

Graduate / professional 12.6%

Metric	%
HS diploma or higher	86.1%
Bachelor's or higher	37.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	451	4.4%
Kindergarten	495	4.9%
Elementary school	3,566	35.1%
High school	2,394	23.6%
College / grad school	3,244	32.0%

Employment

Industry of employment

Education & healthcare 20.8%

Professional & management 15.8%

Retail trade 10.0%

Arts, food & hospitality 9.6%

Manufacturing 9.4%

Transportation & utilities 8.0%

Finance & real estate 6.5%

Construction 6.2%

Other services 4.9%

Public administration 4.1%

Wholesale trade 2.3%

Information 2.1%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	41.2%
Service	18.2%
Sales & office	19.8%
Natural resources & construction	5.0%
Production & transportation	15.7%

Employment type

Type	%
Private sector	80.2%
Government	13.9%
Self-employed	5.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	59.3%
Carpool	11.1%
Public transit	12.8%
Walk	1.7%
Work from home	12.9%
Other means	2.2%
Avg commute (minutes)	32.3

Poverty

All people 7.2%

Under 18 years 7.2%

18 and over 7.2%

Married-couple families 3.5%

Female-led households 8.5%

Income support

Source	% of households
Social Security	30.7%
Retirement income	22.4%
Supplemental Security	4.7%
Cash public assistance	2.7%
Food stamps / SNAP	8.0%

Health indicators

Condition	%
Obesity	26.1%
High blood pressure	28.5%
High cholesterol	30.0%
Diabetes	10.2%
Heart disease	5.2%
Stroke	2.7%
Asthma	9.1%
Arthritis	19.6%
Kidney disease	2.6%
Pulmonary disease	5.0%
Cancer	5.6%

Behavior / access	%
Smoking	11.4%
Binge drinking	15.0%
No physical activity	20.3%
Less than 7 hrs sleep	30.4%
Depression	14.3%
Fair or poor health	14.1%
Poor mental health	13.3%
Poor physical health	9.2%
No health insurance	12.9%
Visited doctor (checkup)	66.7%
Visited dentist	60.7%
Cholesterol screening	91.7%
Teeth loss	10.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,790	4.5%

Disability	%
Any disability	10.3%
Under 18	1.7%
18–64 years	6.9%
65 and over	33.1%

Health insurance coverage

Type	%
Private insurance	70.8%
Public insurance	35.6%
No insurance	4.8%
Uninsured under 19	1.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	45,654	95.2%
Spanish	9,327	20.4%
Other Indo-European	3,392	7.4%
Asian & Pacific Islander	592	1.3%
Other languages	4,966	10.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	31,715	66.2%
Born in same state	30,835	64.3%
Born in different state	24,749	51.6%
Foreign born	880	1.8%
Naturalized citizen	16,222	33.8%
Not a US citizen	9,401	58.0%

Ancestry

Ancestry	Count	%
Italian	2,238	4.7%
French	1,953	4.1%
Arab	1,283	2.7%
English	354	0.7%
Dutch	323	0.7%

Ancestry	Count	%
Polish	165	0.3%
German	85	0.2%
Norwegian	84	0.2%
Irish	22	0%

Technology access

Metric	% of households
Computer access	34.8%
Internet access	93.6%

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

Frequently asked questions about ZIP code 94577

What city is ZIP code 94577 in?

ZIP code 94577 is primarily assigned to San Leandro, California.

What county is ZIP code 94577 in?

ZIP code 94577 falls within Alameda County, California.

Is Spanish widely spoken in ZIP code 94577?

Approximately 20% of households in ZIP code 94577 speak Spanish as a primary language.

What is the typical home value in ZIP code 94577?

The median home value in ZIP code 94577 is $788,100.

What is the median household income in ZIP code 94577?

The median household income in ZIP code 94577 is $106,695, above the national median of ~$75,000.

What is the population of ZIP code 94577?

ZIP code 94577 has an estimated population of 47,937 residents, with a density of 5,907 people per square mile.

What timezone is ZIP code 94577 in?

ZIP code 94577 observes the PST timezone.