U.S. ZIP Code tools

94121 · Population & demographics · San Francisco CA

ZIP Code
94121

San Francisco, CA

City / locality
San Francisco
State
California
ZIP Code type
Type not provided
Latitude
37.7786
Longitude
-122.4892
Coordinate source
GeoNames Postal
Source
GeoNames Postal
Source year
Inherited source snapshot

Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

Population & demographics

acs/acs5 · 2024

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Estimated population

41,995People · Margin of error ±1,949

Median age

44.5Years · Margin of error ±2.0

Median household income

133,358USD · Margin of error ±11,858

Median home value

1,611,400USD · Margin of error ±62,334

Total households

18,206Households · Margin of error ±647

Housing units

19,777Count · Margin of error ±675

Owner-occupied housing units

7,984Count · Margin of error ±661

Renter-occupied housing units

10,222Count · Margin of error ±726

Median monthly gross rent

2,363USD · Margin of error ±106

Household income distribution

USD · Households

$0–$9,999837±255
$10,000–$14,999449±183
$15,000–$19,999425±169
$20,000–$24,999210±124
$25,000–$29,999224±87
$30,000–$34,999380±167
$35,000–$39,999314±122
$40,000–$44,999268±106
$45,000–$49,999360±137
$50,000–$59,999688±204
$60,000–$74,999944±208
$75,000–$99,9991,945±442
$100,000–$124,9991,566±239
$125,000–$149,9991,201±212
$150,000–$199,9992,334±406
≥ $200,0006,061±549

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Source

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer

U.S. Census Bureau ZCTA cartographic boundaries

Source year: 2020 Census ZCTA cartographic

U.S. Census Bureau ZCTA cartographic boundaries

U.S. Census Bureau ACS 5-year

Source year: 2024 ACS 5-year

U.S. Census Bureau ACS 5-year