94538 ZIP Code — Fremont, CA

Alameda County, California

ZIP code 94538 is located in Fremont, California, within Alameda County. It covers approximately 16.54 square miles and serves a population of 66,215 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 341/408/510/650/669/925.

About ZIP code 94538

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1960s, giving the area an established character. Median home value is $1,075,100. Renters make up the majority at 55%, typical of denser urban areas.

The gap between median ($143,146) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 32 minutes is near the national average. Remote work is prevalent — 25% of workers work from home.

Educational attainment is high — 54% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Notable community characteristics include Spanish spoken in 22% of households.

Overall, ZIP code 94538 reflects a community defined by a highly educated population and a high rate of remote workers.

66,215

population

16.54

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94538 ZIP code map

Cities in ZIP code 94538

Below are the cities the US Postal Service accepts for ZIP code 94538. Using any city not on this list may result in mail delivery delays.

City	Status
Fremont	Preferred

Nearby ZIP codes

94560 Newark (3.6 mi) 94536 Fremont (3.9 mi) 94539 Fremont (4.4 mi) 94555 Fremont (5.8 mi) 94089 Sunnyvale (6.1 mi) 95134 San Jose (6.3 mi) 94586 Sunol (6.9 mi) 94587 Union City (7.1 mi) 94043 Mountain View (8 mi) 95054 Santa Clara (8 mi) 94303 Palo Alto (8.3 mi) 94085 Sunnyvale (8.6 mi)

Demographics updated 07/2026

Population
Total population	66,215
Population density	4,003 / sq mi
State FIPS	06
County FIPS	001

Geography
Land area	16.54 sq mi
Water area	0.10 sq mi
Latitude	37.5101
Longitude	-121.9861
Timezone	Pacific (PT)
Area code	341/408/510/650/669/925

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.0%	24.6%	32.6%
$50k – $100k	21.9%	23.2%	27.7%
$100k – $200k	38.8%	30.5%	26.4%
Over $200k	21.3%	21.7%	13.3%

Demographics & statistics

66,215

Population

4,003

People per sq mi

36.3

Median age

$143,146

Median household income

$58,699

Per capita income

$1,075,100

Median home value

$2,753

Median monthly rent

44.8%

Home ownership

5.0%

Poverty rate

3.6%

Unemployment

11,144

Housing units

53.7%

Bachelor's or higher

Age distribution

Male Female

1,969

Under 5

1,886

1,960

5–9

1,877

1,993

10–14

1,909

1,760

15–19

1,685

1,659

20–24

1,590

6,755

25–34

6,470

5,531

35–44

5,297

4,743

45–54

4,544

2,051

55–59

1,965

1,745

60–64

1,671

2,077

65–74

1,989

898

75–84

860

680

85+

651

← Male

Female →

Age summary

Group	Count	%
Under 18	13,861	20.9%
18 and over	52,354	79.1%
65 and over	7,155	10.8%
Median age	36.3 years

Race & ethnicity

Asian 47.3%

White 18.5%

Hispanic or Latino 13.2%

Other race 10.1%

Two or more races 6.2%

Black or African American 3.4%

American Indian / Alaska Native 0.7%

Native Hawaiian / Pacific Islander 0.7%

Group	Count	%
Asian	36,057	47.3%
White	14,132	18.5%
Hispanic or Latino	10,095	13.2%
Other race	7,678	10.1%
Two or more races	4,743	6.2%
Black or African American	2,563	3.4%
American Indian / Alaska Native	533	0.7%
Native Hawaiian / Pacific Islander	509	0.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.0%	24.6%	32.6%
$50k – $100k	21.9%	23.2%	27.7%
$100k – $200k	38.8%	30.5%	26.4%
Over $200k	21.3%	21.7%	13.3%

Under $10k 2.7%

$10k–$15k 1.7%

$15k–$25k 2.8%

$25k–$35k 2.6%

$35k–$50k 4.0%

$50k–$75k 10.3%

$75k–$100k 9.1%

$100k–$150k 19.6%

$150k–$200k 17.0%

$200k+ 30.3%

Range	% of households
Under $10k	2.7%
$10k–$15k	1.7%
$15k–$25k	2.8%
$25k–$35k	2.6%
$35k–$50k	4.0%
$50k–$75k	10.3%
$75k–$100k	9.1%
$100k–$150k	19.6%
$150k–$200k	17.0%
$200k+	30.3%
Median income	$143,146

Housing

Home values

Under $50k 1.6%

$50k–$100k 0.1%

$100k–$150k 1.5%

$150k–$200k 1.5%

$200k–$300k 0.9%

$300k–$500k 2.4%

$500k–$1M 30.4%

$1M+ 61.6%

Housing overview

Metric	Value
Median home value	$1,075,100
Median rent / month	$2,753
Owner occupied	44.8%
Renter occupied	55.2%
Vacant	5.3%
Single-family detached	42.5%
Large apartment buildings	28.9%
Mobile homes	1.7%
Median rooms	4.2
Avg household size (owned)	3.09

Year built

Era	%
2020 or later	1.8%
2010–2019	5.9%
2000–2009	5.5%
1990–1999	12.3%
1980–1989	18.8%
1970–1979	18.3%
1960–1969	22.3%
1950–1959	14.1%
1940–1949	1.0%
1939 or earlier	0.3%

Bedrooms

Size	% of units
No bedroom (studio)	3.6%
1 bedroom	16.1%
2 bedrooms	30.0%
3 bedrooms	31.5%
4 bedrooms	16.7%
5+ bedrooms	2.0%

Vehicles per household

Vehicles	% of households
No vehicle	6.0%
1 vehicle	34.5%
2 vehicles	36.1%
3 or more	23.3%

Heating fuel

Fuel type	%
Utility gas	66.1%
Electricity	30.8%
Propane / LP gas	1.4%
Fuel oil	0.1%
Wood	0.2%
Solar	0.2%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	13,341	60.4%
Cohabiting couple	1,156	5.2%
Male householder, no spouse	3,476	15.7%
Female householder, no spouse	4,131	18.7%
Households with children under 18	8,777	39.7%
Households with seniors (65+)	4,712	21.3%
Average household size	2.95

Marital status

Status	Male	Female
Never married	36.0%	28.4%
Married	57.2%	57.0%
Separated	1.0%	0.8%
Widowed	1.0%	7.1%
Divorced	4.8%	6.7%

Education

Less than 9th grade 4.5%

Some HS, no diploma 4.7%

HS graduate 18.8%

Some college, no degree 12.5%

Associate's degree 5.7%

Bachelor's degree 29.4%

Graduate / professional 24.3%

Metric	%
HS diploma or higher	90.8%
Bachelor's or higher	53.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1,131	7.3%
Kindergarten	689	4.4%
Elementary school	6,064	39.2%
High school	2,977	19.2%
College / grad school	4,624	29.9%

Employment

Industry of employment

Professional & management 26.3%

Education & healthcare 18.6%

Manufacturing 14.1%

Retail trade 8.8%

Arts, food & hospitality 6.8%

Finance & real estate 5.4%

Transportation & utilities 4.4%

Construction 3.9%

Other services 3.7%

Information 3.1%

Public administration 2.7%

Wholesale trade 2.0%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	56.1%
Service	13.2%
Sales & office	15.9%
Natural resources & construction	5.5%
Production & transportation	9.4%

Employment type

Type	%
Private sector	86.4%
Government	8.7%
Self-employed	4.6%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	57.1%
Carpool	7.9%
Public transit	5.9%
Walk	2.0%
Work from home	24.6%
Other means	2.5%
Avg commute (minutes)	31.6

Poverty

All people 5.0%

Under 18 years 4.3%

18 and over 5.2%

Married-couple families 2.1%

Female-led households 9.7%

Income support

Source	% of households
Social Security	18.5%
Retirement income	14.1%
Supplemental Security	4.1%
Cash public assistance	4.2%
Food stamps / SNAP	4.3%

Health indicators

Condition	%
Obesity	21.1%
High blood pressure	22.0%
High cholesterol	25.7%
Diabetes	7.4%
Heart disease	3.6%
Stroke	1.8%
Asthma	7.8%
Arthritis	14.3%
Kidney disease	1.8%
Pulmonary disease	3.3%
Cancer	4.3%

Behavior / access	%
Smoking	9.2%
Binge drinking	16.0%
No physical activity	16.2%
Less than 7 hrs sleep	29.2%
Depression	12.8%
Fair or poor health	9.6%
Poor mental health	12.0%
Poor physical health	6.6%
No health insurance	10.1%
Visited doctor (checkup)	63.0%
Visited dentist	65.2%
Cholesterol screening	91.0%
Teeth loss	7.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,179	2.3%

Disability	%
Any disability	7.9%
Under 18	2.4%
18–64 years	6.2%
65 and over	30.2%

Health insurance coverage

Type	%
Private insurance	80.7%
Public insurance	21.9%
No insurance	3.5%
Uninsured under 19	2.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	62,360	94.2%
Spanish	13,498	21.6%
Other Indo-European	2,745	4.4%
Asian & Pacific Islander	3,153	5.1%
Other languages	7,359	11.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	33,812	51.1%
Born in same state	32,746	49.5%
Born in different state	27,157	41.0%
Foreign born	1,066	1.6%
Naturalized citizen	32,403	48.9%
Not a US citizen	14,129	43.6%

Ancestry

Ancestry	Count	%
Italian	2,436	3.7%
French	1,492	2.3%
Arab	1,125	1.7%
English	249	0.4%
Polish	184	0.3%

Ancestry	Count	%
German	67	0.1%
Dutch	67	0.1%
Irish	51	0.1%
Norwegian	21	0%

Technology access

Metric	% of households
Computer access	33.4%
Internet access	97.9%

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

Frequently asked questions about ZIP code 94538

What part of Fremont is ZIP code 94538?

ZIP code 94538 covers a portion of Fremont, California, within Alameda County.

What county is ZIP code 94538 in?

ZIP code 94538 falls within Alameda County, California.

Is Spanish widely spoken in ZIP code 94538?

Approximately 22% of households in ZIP code 94538 speak Spanish as a primary language.

How educated is the population of ZIP code 94538?

54% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 94538 mostly rentals?

55% of occupied units in ZIP code 94538 are renter-occupied.

What is the median household income in ZIP code 94538?

The median household income in ZIP code 94538 is $143,146, above the national median of ~$75,000.

What timezone is ZIP code 94538 in?

ZIP code 94538 observes the PST timezone.