ZIP code 94121
Where is ZIP code 94121?
San Francisco, California
San Francisco County · Standard ZIP code
ZIP code 94121 belongs to San Francisco, California in San Francisco County. 94121 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area codes 415 and 628. About 41,995 people live in the 94121 area, where the median household income is $133,358. The closest ZIP codes are 94122 (San Francisco, 1.4 mi south), 94118 (San Francisco, 1.5 mi east) and 94143 (San Francisco, 2 mi southeast).
| ZIP code | 94121 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | San Francisco |
| State | California (CA) |
| County | San Francisco County |
| Time zone | Pacific Time · now |
| Area codes | 415, 628 |
| Coordinates | 37.7786, -122.4892 map |
| 3-digit prefix | 941 |
Population and income in 94121
| Population | 41,995 · higher than 80% of California ZIP codes |
|---|---|
| People per square mile | 16,566 · higher than 97% of California ZIP codes |
| Median age | 44.5 years · higher than 69% of California ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $133,358 · higher than 80% of California ZIP codes |
| Income per person | $88,205 |
| Below the poverty line | 8.6% |
| Bachelor’s degree or higher | 65% of adults 25+ |
| Median home value | $1,611,400 · higher than 92% of California ZIP codes |
| Median rent | $2,363 a month |
| Housing units | 19,777 |
| Households | 18,206 (2.28 people on average) |
| Owners / renters | 44% / 56% |
| Land area | 2.54 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94121. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94121
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94122 | San Francisco, CA | 1.4 mi S | Standard |
| 94118 | San Francisco, CA | 1.5 mi E | Standard |
| 94143 | San Francisco, CA | 2 mi SE | Standard |
| 94129 | San Francisco, CA | 2 mi NE | Standard |
| 94116 | San Francisco, CA | 2.4 mi S | Standard |
| 94117 | San Francisco, CA | 2.7 mi E | Standard |
| 94115 | San Francisco, CA | 3 mi E | Standard |
| 94123 | San Francisco, CA | 3.3 mi NE | Standard |
| 94114 | San Francisco, CA | 3.4 mi SE | Standard |
| 94127 | San Francisco, CA | 3.5 mi SE | Standard |
| 94131 | San Francisco, CA | 3.6 mi SE | Standard |
| 94119 | San Francisco, CA | 3.8 mi E | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94121 or measure the distance to another ZIP code.
How to address mail to 94121
123 MAIN ST
SAN FRANCISCO CA 94121
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94121-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in San Francisco, CA
- 94102
- 94103
- 94104
- 94105
- 94107
- 94108
- 94109
- 94110
- 94111
- 94112
- 94114
- 94115
- 94116
- 94117
- 94118
- 94119
- 94120
- 94122
- 94123
- 94124
- 94125
- 94126
- 94127
- 94128
- 94129
- 94130
- 94131
- 94132
- 94133
- 94134
- 94137
- 94139
- 94140
- 94141
- 94142
- 94143
- 94144
- 94145
- 94146
- 94147
- 94151
- 94158
- 94159
- 94160
- 94161
- 94163
- 94164
- 94172
- 94177
- 94188
All San Francisco ZIP codes with population and income →
Questions
- What city is ZIP code 94121?
- 94121 is a San Francisco, California ZIP code.
- What county is 94121 in?
- ZIP code 94121 is in San Francisco County, California.
- What time zone is ZIP code 94121 in?
- 94121 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94121?
- Phone numbers in ZIP code 94121 use area codes 415 and 628.
- What is the population of ZIP code 94121?
- About 41,995 people live in ZIP code 94121, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94121?
- The median household income in 94121 is $133,358 a year, higher than 80% of California ZIP codes.
- What ZIP codes are near 94121?
- The nearest ZIP codes to 94121 are 94122 (San Francisco, 1.4 miles), 94118 (San Francisco, 1.5 miles), 94143 (San Francisco, 2 miles) and 94129 (San Francisco, 2 miles).