San Francisco, CA · standard
ZIP Code 94121
San Francisco County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 41,203
- 5,163/sq mi High-density area
- $133,358
- Median income Above-median income area
- $1,611,400
- Median home value Above-median home value
- 64.6%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
San Francisco pairs a top-decile household income with top-decile home values, in a suburban-density, mixed-tenure area.
- Top 6%
- household income, US ZIPs
- Top 1%
- home value, US ZIPs
- 5,163
- people per sq mi
- 44%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94121 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 94121 (San Francisco, CA) fell -13.2% from 2023 to 2024. The all-transactions index moved from 253.8 in 2023 to 220.2 in 2024 (2000 = 100).
ZIP code 94121 is a densely settled ZIP (a standard USPS delivery area) in San Francisco, San Francisco County, California, with 41,203 residents across 8.0 square miles, a density of 5,163 people per square mile, in the Los Angeles time zone.
ZIP 94121 skews affluent, with a median household income of $133,358 (31% above the average California ZIP), while per-capita income is $88,205. The poverty rate is 8.6%, with unemployment at 6.1%; those measures add context to the income figure. Housing costs run above the statewide ZIP benchmark while renting is common: median home value is $1,611,400 (109% above the average California ZIP), with only 43.9% owner-occupied homes and median rent of $2,363.
This is a highly-educated ZIP: 64.6% of adults hold a bachelor's degree or higher, the median age is 44.5, and the average commute is 32 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in San Francisco County, so 94121 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 94121
Top 5 sectors by establishment count in San Francisco, CA
Which industries have the most business establishments in ZIP 94121.
- Professional, scientific, and technical services
Professional, scientific, and technical services
152 establishments
- Accommodation and food services
Accommodation and food services
119 establishments
- Health care and social assistance
Health care and social assistance
103 establishments
- Construction
Construction
98 establishments
- Retail trade
Retail trade
71 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 94121, San Francisco, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
41,203
Population
8.0
Area (sq mi)
5,163
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 94121?
44.5
Median Age
48.2%
Male
51.8%
Female
34.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$133,358
Median Household Income
+31% vs state ZIP avg
$88,205
Per Capita Income
8.6%
Poverty Rate
6.1%
Unemployment Rate
31.8 min
Mean Commute Time
How ZIP 94121 ranks nationally
San Francisco, CA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$133,358 Top 6% higher than 94% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
19,777housing units
19,777
Total Housing Units
18,206
Occupied Units
1,571
Vacant Units
2.28
Avg Household Size
Occupancy Type
$1,611,400
Median Home Value
+109% vs state ZIP avg
$2,363
Median Rent
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-13.2%
YoY Change (2024)
220
HPI Index (2000 = 100)
+120%
Total Change Since 2000
Home values in ZIP 94121 have decreased 13.2% over the past year (2024). Since 2000, this ZIP has seen +120% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -12.9% | 209 |
| 2021 | -4.0% | 201 |
| 2022 | +6.8% | 214 |
| 2023 | +18.4% | 254 |
| 2024 | -13.2% | 220 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 826 business establishments in ZIP 94121, employing approximately 5,144 people with a combined annual payroll of $311,464,000.
826
Businesses
5,144
Employees
$311.5M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 152 | 18.4% |
| Accommodation and food services | 119 | 14.4% |
| Health care and social assistance | 103 | 12.5% |
| Construction | 98 | 11.9% |
| Retail trade | 71 | 8.6% |
| Other services (except public administration) | 63 | 7.6% |
| Real estate and rental and leasing | 49 | 5.9% |
| Finance and insurance | 43 | 5.2% |
| Educational services | 29 | 3.5% |
| Administrative and support and waste management and remediation services | 25 | 3.0% |
| Information | 19 | 2.3% |
| Wholesale trade | 18 | 2.2% |
| Arts, entertainment, and recreation | 17 | 2.1% |
| Transportation and warehousing | 13 | 1.6% |
| Manufacturing | 7 | 0.8% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 94121 vs 94122 →
ZIP 94121 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94122
San Francisco (94122)
56,023 residents
- 94116
San Francisco (94116)
43,698 residents
- 94121
San Francisco (94121)
41,203 residents
- 94117
San Francisco (94117)
39,169 residents
- 94118
San Francisco (94118)
38,319 residents
- 94115
San Francisco (94115)
33,021 residents
- 94102
San Francisco (94102)
31,176 residents
- 94114
San Francisco (94114)
31,124 residents
- 94132
San Francisco (94132)
28,129 residents
What this shows Among its immediate neighbors, ZIP 94121 ranks #3 by population - useful context the national average alone can't give.
ZIP 94121 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94129
San Francisco (94129)
$220,972 median income
- 94127
San Francisco (94127)
$214,167 median income
- 94114
San Francisco (94114)
$204,134 median income
- 94117
San Francisco (94117)
$167,066 median income
- 94118
San Francisco (94118)
$163,995 median income
- 94116
San Francisco (94116)
$158,921 median income
- 94115
San Francisco (94115)
$151,524 median income
- 94122
San Francisco (94122)
$146,250 median income
- 94121
San Francisco (94121)
$133,358 median income
What this shows By household income, ZIP 94121 ranks #9 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 94122 | San Francisco, CA | 56,023 | 1.3 mi |
| 94118 | San Francisco, CA | 38,319 | 1.8 mi |
| 94116 | San Francisco, CA | 43,698 | 2.3 mi |
| 94129 | San Francisco, CA | 3,183 | 2.1 mi |
| 94117 | San Francisco, CA | 39,169 | 2.6 mi |
| 94132 | San Francisco, CA | 28,129 | 3.8 mi |
| 94115 | San Francisco, CA | 33,021 | 3.2 mi |
| 94127 | San Francisco, CA | 19,289 | 3.4 mi |
| 94114 | San Francisco, CA | 31,124 | 3.5 mi |
| 94102 | San Francisco, CA | 31,176 | 4.1 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 94121, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (41,203 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in San Francisco County
Related Areas
Frequently Asked Questions
What county is ZIP code 94121 in?
ZIP code 94121 (San Francisco) is located in San Francisco County, California. San Francisco County contains multiple ZIP codes, see the full list at /counties/san-francisco-ca.
What is the population of ZIP code 94121?
ZIP code 94121 in San Francisco, CA has a population of 41,203 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 94121?
The median household income in ZIP 94121 is $133,358, which is 75% above the national average of $76,288.
What is the average home value in ZIP 94121?
The median home value in ZIP 94121 is $1,611,400, which is 479% above the national average of $278,155.
What is the demographic makeup of ZIP 94121?
The largest racial group in ZIP 94121 is White at 42.1%. Hispanic or Latino residents make up 10.4% of the population.
How many businesses are in ZIP code 94121?
ZIP code 94121 has 826 business establishments employing approximately 5,144 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 94121?
The top industries by establishment count in ZIP 94121 are: Professional, scientific, and technical services (152), Accommodation and food services (119), Health care and social assistance (103). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 94121?
According to the FHFA House Price Index, home values in ZIP 94121 decreased by 13.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 120%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 94121?
In ZIP code 94121, 72.1% of residents aged 25+ have a high school diploma or higher, and 64.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 94121?
The mean commute time for workers in ZIP code 94121 is 31.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 94121?
In ZIP code 94121, approximately 43.9% of occupied housing units are owner-occupied and 56.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 94121?
The poverty rate in ZIP code 94121 is 8.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 94121's numbers, next.
- See how ZIP 94121 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.