Zip Code 94123
San Francisco, California — San Francisco County
📍 ZIP code 94123 is in San Francisco, San Francisco County, California.
ZIP code 94123 is located in San Francisco, San Francisco County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 24,518. The area code for ZIP code 94123 is 415.
Quick Answer
Zip code 94123 is in San Francisco, California (San Francisco County). It has a population of 24,518, median household income of $222,689, and median home value of $2M+.
Population
24,518
Income
$222,689
Home Value
$2M+
Climate
66°F / 47°F
About Zip Code 94123
Zip code 94123 is located in San Francisco, California, within San Francisco County. Home to approximately 24,518 residents, this area sits at an elevation of 25 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 415.
The median household income is $222,689 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $2M+, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 66°F while winters drop to 47°F. The area receives about 23 in of rain annually. The zip code covers 1 square miles of land area and 0.1 square miles of water.
Key Statistics
24,518
$222,689
$2M+
Pacific (PST/PDT)
415
25 ft
1 sq mi
33.1
14,883
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Compare With Nearby Zip Codes
| Metric | 94123 | 94109 | 94115 | 94129 | 94133 | 94108 |
|---|---|---|---|---|---|---|
| City | San Francisco, CA | San Francisco, CA | San Francisco, CA | San Francisco, CA | San Francisco, CA | San Francisco, CA |
| Population | 24,518 | 54,397 | 32,715 | 3,808 | 24,753 | 11,008 |
| Median Income | $222,689 | $112,201 | $154,264 | $236,190 | $83,025 | $63,864 |
| Home Value | $2M+ | $1,390,000 | $1,684,100 | $0 | $1,519,100 | $1,207,500 |
| Cost of Living | 250 | 250 | 250 | 186 | 250 | 250 |
| Median Age | 33.1 | 38.9 | 37.5 | 34.2 | 45.6 | 45.8 |
Cost of Living
100 = National Average. San Francisco's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
9.0x
Demographics
Zip code 94123 has a population of 24,518 people with a median age of 33.1. There are 14,883 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
San Francisco (94123) population trend from 2010 to 2024
↓ -7.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
66°F
47°F
23 in
0 in
San Francisco experiences mild summers with average highs around 66°F. Winters are mild with lows averaging 47°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$2M+
Median Household Income
$222,689
With 14,883 housing units across 1 square miles, 94123 has a housing density of 14,883 units per square mile. The home price-to-income ratio is 9.0x.
Location & Geography
Latitude
37.8009°
Longitude
-122.4384°
Land Area
1 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 94123 (San Francisco, CA) with distances:
All Zip Codes in San Francisco, CA
Other zip codes serving San Francisco:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 94123's $222,689. A way to compare San Francisco to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 94123 (San Francisco, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is San Francisco, California?
San Francisco, California uses zip code 94123 along with 12 other zip codes.
What county is zip code 94123 in?
Zip code 94123 is located in San Francisco County, California.
What is the population of zip code 94123?
The population of zip code 94123 is 24,518 with a median age of 33.1.
Is 94123 in San Francisco, California?
Yes, zip code 94123 is in San Francisco, San Francisco County, California. The area code is 415.
Frequently Asked Questions
What city is zip code 94123 in?
Zip code 94123 is in San Francisco, California. It is part of San Francisco County and uses the Pacific (PST/PDT) timezone.
What is zip code 94123?
Zip code 94123 is a U.S. postal code in San Francisco, California (San Francisco County). It has a population of 24,518 and covers 1 square miles.
What is the population of zip code 94123?
The population of zip code 94123 (San Francisco, CA) is 24,518 with a median age of 33.1. There are approximately 14,883 housing units in this area.
What is the median income in zip code 94123?
The median household income in zip code 94123 (San Francisco, CA) is $222,689 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 94123?
The median home value in zip code 94123 (San Francisco, CA) is $2M+. The cost of living index is 250 compared to the national average of 100.
What county is zip code 94123 in?
Zip code 94123 is located in San Francisco County, California. The primary city is San Francisco.
What is the area code for zip code 94123?
Zip code 94123 in San Francisco, CA uses area code 415. It is located in the Pacific (PST/PDT) timezone.
Is zip code 94123 a good place to live?
Zip code 94123 (San Francisco, CA) has a cost of living index of 250 (100 = national average), a median household income of $222,689, and median home values of $2M+. The median age is 33.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 94123?
The cost of living index for zip code 94123 (San Francisco, CA) is 250, where 100 represents the national average. This area is above the national average. Median home value: $2M+.
What schools serve zip code 94123?
Zip code 94123 in San Francisco, California is served by the local school district of San Francisco County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.