94121 ZIP Code — San Francisco, CA

San Francisco County, California

ZIP code 94121 is located in San Francisco, California, within San Francisco County. It covers approximately 2.54 square miles and serves a population of 43,304 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 415.

About ZIP code 94121

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 $1,583,700. Renters make up the majority at 56%, typical of denser urban areas.

The gap between median ($132,519) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 34 minutes is near the national average. Remote work is prevalent — 25% of workers work from home.

Educational attainment is high — 64% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 94121 reflects a community defined by a highly educated population and a high rate of remote workers.

43,304

population

2.54

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94121 ZIP code map

Cities in ZIP code 94121

Below are the cities the US Postal Service accepts for ZIP code 94121. Using any city not on this list may result in mail delivery delays.

City	Status
San Francisco	Preferred

Nearby ZIP codes

94122 San Francisco (1.5 mi) 94118 San Francisco (1.9 mi) 94129 San Francisco (2 mi) 94116 San Francisco (2.6 mi) 94117 San Francisco (3 mi) 94115 San Francisco (3.2 mi) 94114 San Francisco (3.4 mi) 94123 San Francisco (3.5 mi) 94131 San Francisco (3.7 mi) 94127 San Francisco (3.9 mi) 94132 San Francisco (4 mi) 94109 San Francisco (4.2 mi)

Demographics updated 06/2026

Population
Total population	43,304
Population density	17,049 / sq mi
State FIPS	06
County FIPS	075

Geography
Land area	2.54 sq mi
Water area	0.01 sq mi
Latitude	37.7809
Longitude	-122.4953
Timezone	Pacific (PT)
Area code	415

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.3%	25.4%	32.6%
$50k – $100k	22.8%	18.5%	27.7%
$100k – $200k	31.2%	27.2%	26.4%
Over $200k	21.7%	29.0%	13.3%

Demographics & statistics

43,304

Population

17,049

People per sq mi

42.6

Median age

$132,519

Median household income

$79,208

Per capita income

$1,583,700

Median home value

$2,152

Median monthly rent

43.6%

Home ownership

9.0%

Poverty rate

5.1%

Unemployment

9,487

Housing units

63.9%

Bachelor's or higher

Age distribution

Male Female

1,071

Under 5

1,188

759

5–9

842

908

10–14

1,007

847

15–19

940

920

20–24

1,021

3,367

25–34

3,738

3,012

35–44

3,342

2,899

45–54

3,217

1,256

55–59

1,394

1,253

60–64

1,390

2,378

65–74

2,639

1,117

75–84

1,240

739

85+

820

← Male

Female →

Age summary

Group	Count	%
Under 18	7,048	16.3%
18 and over	36,256	83.7%
65 and over	8,933	20.6%
Median age	42.6 years

Race & ethnicity

Asian 41.5%

White 41.4%

Two or more races 9.1%

Hispanic or Latino 4.3%

Other race 1.8%

Black or African American 1.5%

American Indian / Alaska Native 0.4%

Group	Count	%
Asian	18,795	41.5%
White	18,717	41.4%
Two or more races	4,109	9.1%
Hispanic or Latino	1,939	4.3%
Other race	823	1.8%
Black or African American	694	1.5%
American Indian / Alaska Native	159	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.3%	25.4%	32.6%
$50k – $100k	22.8%	18.5%	27.7%
$100k – $200k	31.2%	27.2%	26.4%
Over $200k	21.7%	29.0%	13.3%

Under $10k 3.5%

$10k–$15k 3.7%

$15k–$25k 3.9%

$25k–$35k 3.9%

$35k–$50k 5.7%

$50k–$75k 9.4%

$75k–$100k 10.3%

$100k–$150k 14.0%

$150k–$200k 14.0%

$200k+ 31.6%

Range	% of households
Under $10k	3.5%
$10k–$15k	3.7%
$15k–$25k	3.9%
$25k–$35k	3.9%
$35k–$50k	5.7%
$50k–$75k	9.4%
$75k–$100k	10.3%
$100k–$150k	14.0%
$150k–$200k	14.0%
$200k+	31.6%
Median income	$132,519

Housing

Home values

Under $50k 0.9%

$100k–$150k 0.7%

$150k–$200k 0.4%

$200k–$300k 0.3%

$300k–$500k 1.8%

$500k–$1M 13.6%

$1M+ 82.4%

Housing overview

Metric	Value
Median home value	$1,583,700
Median rent / month	$2,152
Owner occupied	43.6%
Renter occupied	56.4%
Vacant	8.4%
Single-family detached	21.1%
Large apartment buildings	5.3%
Mobile homes	0.0%
Median rooms	4.8
Avg household size (owned)	2.59

Year built

Era	%
2020 or later	0.2%
2010–2019	1.2%
2000–2009	1.8%
1990–1999	4.3%
1980–1989	7.0%
1970–1979	7.1%
1960–1969	9.0%
1950–1959	6.5%
1940–1949	8.8%
1939 or earlier	54.1%

Bedrooms

Size	% of units
No bedroom (studio)	6.3%
1 bedroom	21.0%
2 bedrooms	34.3%
3 bedrooms	24.4%
4 bedrooms	9.7%
5+ bedrooms	4.3%

Vehicles per household

Vehicles	% of households
No vehicle	18.9%
1 vehicle	48.8%
2 vehicles	25.3%
3 or more	7.0%

Heating fuel

Fuel type	%
Utility gas	67.0%
Electricity	27.0%
Propane / LP gas	2.3%
Solar	0.4%
No fuel used	2.6%

Households & families

Household type	Count	%
Married-couple family	8,082	45.0%
Cohabiting couple	1,198	6.7%
Male householder, no spouse	3,156	17.6%
Female householder, no spouse	5,519	30.7%
Households with children under 18	4,371	24.3%
Households with seniors (65+)	6,420	35.8%
Average household size	2.39

Marital status

Status	Male	Female
Never married	38.1%	36.3%
Married	53.8%	44.0%
Separated	0.7%	2.9%
Widowed	1.7%	9.2%
Divorced	5.6%	7.6%

Education

Less than 9th grade 5.5%

Some HS, no diploma 3.2%

HS graduate 8.6%

Some college, no degree 12.5%

Associate's degree 6.2%

Bachelor's degree 38.6%

Graduate / professional 25.3%

Metric	%
HS diploma or higher	91.3%
Bachelor's or higher	63.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	720	8.5%
Kindergarten	281	3.3%
Elementary school	2,843	33.6%
High school	1,697	20.1%
College / grad school	2,908	34.4%

Employment

Industry of employment

Education & healthcare 21.8%

Professional & management 20.8%

Arts, food & hospitality 11.8%

Finance & real estate 10.0%

Retail trade 8.1%

Other services 5.9%

Information 4.7%

Manufacturing 4.3%

Transportation & utilities 4.3%

Construction 3.5%

Public administration 3.4%

Wholesale trade 1.0%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	60.7%
Service	12.5%
Sales & office	18.3%
Natural resources & construction	2.3%
Production & transportation	6.2%

Employment type

Type	%
Private sector	77.2%
Government	14.5%
Self-employed	8.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	36.4%
Carpool	8.6%
Public transit	21.1%
Walk	3.5%
Work from home	24.7%
Other means	5.7%
Avg commute (minutes)	33.8

Poverty

All people 9.0%

Under 18 years 7.9%

18 and over 9.2%

Married-couple families 3.1%

Female-led households 19.6%

Income support

Source	% of households
Social Security	27.5%
Retirement income	22.7%
Supplemental Security	5.0%
Cash public assistance	2.9%
Food stamps / SNAP	5.4%

Health indicators

Condition	%
Obesity	16.9%
High blood pressure	26.1%
High cholesterol	29.9%
Diabetes	9.4%
Heart disease	4.8%
Stroke	2.3%
Asthma	8.0%
Arthritis	17.3%
Kidney disease	2.3%
Pulmonary disease	4.0%
Cancer	5.5%

Behavior / access	%
Smoking	8.5%
Binge drinking	15.5%
No physical activity	17.1%
Less than 7 hrs sleep	28.3%
Depression	13.5%
Fair or poor health	10.1%
Poor mental health	11.3%
Poor physical health	7.2%
No health insurance	8.0%
Visited doctor (checkup)	67.0%
Visited dentist	67.2%
Cholesterol screening	92.0%
Teeth loss	6.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,059	2.9%

Disability	%
Any disability	10.0%
Under 18	2.3%
18–64 years	4.9%
65 and over	32.3%

Health insurance coverage

Type	%
Private insurance	80.5%
Public insurance	29.6%
No insurance	3.3%
Uninsured under 19	2.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	41,045	94.8%
Spanish	8,216	20.0%
Other Indo-European	145	0.4%
Asian & Pacific Islander	1,230	3.0%
Other languages	6,511	15.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,574	66.0%
Born in same state	27,467	63.4%
Born in different state	18,879	43.6%
Foreign born	1,107	2.6%
Naturalized citizen	14,730	34.0%
Not a US citizen	10,435	70.8%

Ancestry

Ancestry	Count	%
Italian	4,158	9.6%
French	2,563	5.9%
Arab	746	1.7%
Irish	446	1%
Polish	443	1%

Ancestry	Count	%
English	289	0.7%
Dutch	240	0.6%
German	128	0.3%
Norwegian	58	0.1%

Technology access

Metric	% of households
Computer access	41.5%
Internet access	95.2%

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

Frequently asked questions about ZIP code 94121

What city is ZIP code 94121 in?

ZIP code 94121 is primarily assigned to San Francisco, California.

What county is ZIP code 94121 in?

ZIP code 94121 falls within San Francisco County, California.

How educated is the population of ZIP code 94121?

64% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 94121 mostly rentals?

56% of occupied units in ZIP code 94121 are renter-occupied.

What is the median household income in ZIP code 94121?

The median household income in ZIP code 94121 is $132,519, above the national median of ~$75,000.

What is the typical home value in ZIP code 94121?

The median home value in ZIP code 94121 is $1,583,700.

What timezone is ZIP code 94121 in?

ZIP code 94121 observes the PST timezone.