Sea Cliff, San Francisco, CA demographics:
population, income, and more

Total population
2,065
-2.3% year-over-year change
Median household income
$133,358/yr
-3.6% year-over-year change
Housing units
972
0.1% year-over-year change

Sea Cliff population

How many people live in Sea Cliff

Sea Cliff is home to 2,065 residents, according to the most recent Census data. Gender-wise, 48.2% of Sea Cliff locals are male, and 51.8% are female.

Total population
2,065
-2.3% year-over-year change
Gender ratio
Male
48.2%
995
Female
51.8%
1,069
Value Percent YoY change
Male 995 48.2% -1.2%
Female 1,069 51.8% -3.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Sea Cliff is 44, with the population distributed as follows: about 12.2% are children under 15, then 8.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 30.1% of the population, while another 27.4% fall into the 45 to 64 bracket. Finally, around 22.1% are 65 or older.

Median age
44.5
Age breakdown
Under 15
12.2%
15 to 24
8.2%
25 to 44
30.1%
45 to 64
27.4%
Over 65
22.1%
Value Percent YoY change
Under 15 252 12.2% -11.3%
15 to 24 170 8.2% 8.3%
25 to 44 621 30.1% -3.9%
45 to 64 566 27.4% -2.6%
Over 65 456 22.1% 2.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Sea Cliff, 63.7% of the population are US-born citizens, while 27.5% have gained naturalized citizenship. At the same time, 8.8% of residents are non-citizens. As for race, 42.1% of locals are Caucasian, 1.6% are African American and 41.3% have Asian roots. Another 0.4% are Indigenous American, 0.1% are Pacific Islanders, while 3.6% identify as another race. There’s also a share of 10.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
63.7%
Non-U.S.-born citizens
27.5%
Non-citizens
8.8%
Value Percent YoY change
U.S.-born citizens 1,315 63.7% -0.9%
Non-U.S.-born citizens 568 27.5% -2.6%
Non-citizens 182 8.8% -10.3%
Racial breakdown
White
42.1%
Black or African American
1.6%
American Indian and Alaska Native
0.4%
Asian
41.3%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
10.8%
Other
3.6%
Value Percent
White 869 42.1%
Black or African American 34 1.6%
American Indian and Alaska Native 9 0.4%
Asian 852 41.3%
Native Hawaiian and other Pacific Islander 2 0.1%
Two or more races 224 10.8%
Other 74 3.6%

Households in Sea Cliff

A peek inside Sea Cliff households

Sea Cliff has 895 households, with an average of 2 members in each. Of these, 55.3% are families, while the remaining 44.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
895
0.1% year-over-year change
Average people per household
2
Non-family households
400
Family households
495
Value Percent YoY change
Non-family households 400 44.7% 0.5%
Family households 495 55.3% -0.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Sea Cliff

The housing landscape of Sea Cliff

Sea Cliff's housing consists of 972 units, with 21.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 16.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.1% of the housing landscape.

Housing units
972
0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 206 21.2%
1 unit, attached 159 16.4%
2 units 182 18.7%
3 or 4 units 172 17.7%
5 to 9 units 116 11.9%
10 to 19 units 90 9.3%
20 to 49 units 28 2.9%
50 or more units 18 1.8%
Mobile home 1 0.1%
Homes built since 2020
2
0.0% year-over-year change

The age of buildings in Sea Cliff

In Sea Cliff, the median construction year is 1938. About 55% of homes were built before the 1940s, with another 8.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 2.3% of homes were added from 2000 to 2009, 0.8% between 2010 and 2019, and 0.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 535 55% 5.1%
Built between 1940 and 1949 85 8.7% -4.5%
Built between 1950 and 1959 67 6.9% -1.5%
Built between 1960 and 1969 73 7.5% -21.5%
Built between 1970 and 1979 71 7.3% 0.0%
Built between 1980 and 1989 69 7.1% 13.1%
Built between 1990 and 1999 40 4.1% -7.0%
Built between 2000 and 2009 22 2.3% -8.3%
Built between 2010 and 2019 8 0.8% -20.0%
Built in 2020 or later 2 0.2% 0.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Sea Cliff occupancy rates

Out of the 895 occupied housing units in Sea Cliff, 43.9% are owner-occupied, while 56.2% are lived in by tenants. Meanwhile, 7.9% of all homes on the local market sit vacant.

Occupied housing units
895
0.1% year-over-year change
Occupancy breakdown
Renter occupied
503
Owner occupied
393
Value Percent YoY
change
Renter occupied 503 56.2% -1.2%
Owner occupied 393 43.9% 2.1%
Unoccupied housing units
7.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Sea Cliff housing costs

Housing costs in Sea Cliff come to a median of $2,426 per month, while tenants specifically pay a median gross rent of $2,363.

Median housing costs per month
$2,426/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Sea Cliff
$2,363/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Sea Cliff

Sea Cliff education at a glance

About 12.2% of the population in Sea Cliff went to high school, while 13.3% pursued college studies. Another 6.2% earned an associate degree and 38.8% hold a bachelor’s. Meanwhile, 24.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 92 5.3% 2.2%
High school diploma 213 12.2% -9.4%
College diploma 233 13.3% 0.0%
Associate degree 108 6.2% -0.9%
Bachelor's degree 678 38.8% -0.6%
Graduate degree 425 24.3% 0.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Sea Cliff

How much people earn in Sea Cliff

The average annual household income in Sea Cliff was $196,393 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.2% change from the previous year. At the same time, the median income stood at $133,358, reflecting a -3.6% shift over the same period.

Average household income in Sea Cliff
$196,393/year
5.2% year-over-year change
Median household income in Sea Cliff
$133,358/year
-3.6% year-over-year change

Sea Cliff income by age

In Sea Cliff, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $186,838. Those with someone between 45 and 64 in charge, often well established professionally, earn $158,381 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $113,090, while those led by someone over 65, many of whom may be retired, have about $87,659 in earnings. Overall, 91.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $113,090 -10.8%
25 - 44 $186,838 -3.6%
45 - 64 $158,381 10.0%
Over 65 $87,659 2.4%
Above poverty level
1,852
Below poverty level
176
Value Percent YoY
change
Above poverty level 1,852 91.3% -2.2%
Below poverty level 176 8.7% 1.1%

Employment in Sea Cliff

Workforce and job types in Sea Cliff

92.8% of the working population are employed in professional or administrative positions, while 7.2% are in hands-on or service-based jobs. Also, 12.6% run their own businesses, 58.1% are employed by private companies, and 16.1% work in the public sector.

Workforce demographics

White collar
1,028
Blue collar
80
Value Percent YoY change
White collar 1,028 92.8% -2.6%
Blue collar 80 7.2% -12.1%
Employer type
Self employees
12.6%
Private companies
58.1%
Governmental workers
16.1%
Not for profit companies
13.2%
Value Percent YoY change
Self employees 140 12.6% -1.4%
Private companies 644 58.1% -4.6%
Governmental workers 179 16.1% 3.5%
Not for profit companies 146 13.2% -6.4%

Transportation in Sea Cliff

How people get around in Sea Cliff

Commuting methods vary: 64.3% of residents travel by personal vehicle and 6.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 454 64.3% -7.2%
Taxicab 3 0.4% -40.0%
Bus or trolleybus 161 22.8% -15.7%
Railroad 1 0.1% 0.0%
Motorcycle 6 0.8% -33.3%
Bicycle 35 5% 29.6%
Walk 46 6.5% 2.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Sea Cliff by zipcode?

Zipcode Population Number of households Median income Average income
94121 41,995 18,206 $133,358 $202,368

Explore more communities

FAQs about Sea Cliff demographics 

What is the total population of Sea Cliff?

Sea Cliff has a total population of 2,065 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -2.3% compared to a year ago.

What is the gender ratio in Sea Cliff?

The gender ratio in Sea Cliff is as follows:
  • 48.2% males (995 residents)
  • 51.8% females (1,069 residents)

What is the median age in Sea Cliff?

The median age in Sea Cliff is 44.5.

What is the age distribution of the population in Sea Cliff?

The age distribution in Sea Cliff is as follows:
  • Under 15: 12.2% (252 residents)
  • Ages 15-24: 8.2% (170 residents)
  • Ages 25-44: 30.1% (621 residents)
  • Ages 45-64: 27.4% (566 residents)
  • Over 65: 22.1% (456 residents)

What is the racial and ethnic makeup of Sea Cliff?

The racial and ethnic makeup of Sea Cliff is as follows:
  • White: 42.1% (869 residents)
  • Black or African American: 1.6% (34 residents)
  • American Indian and Alaska Native: 0.4% (9 residents)
  • Asian: 41.3% (852 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (2 residents)
  • Two or More Races: 10.8% (224 residents)
  • Other: 3.6% (74 residents)

What percentage of the population in Sea Cliff are U.S.-born citizens?

U.S.-born citizens represent 63.7% of the population in Sea Cliff.

How many housing units are there in Sea Cliff?

There are 972 housing units in Sea Cliff, reflecting a +0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Sea Cliff and what is the average household size?

Sea Cliff has a total of 895 households, with an average of 2 people in each.

What is the median household income in Sea Cliff?

Sea Cliff has a median household income of $133,358, representing a -3.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Sea Cliff?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 92.8% (1,028 residents)
  • Blue-collar workers: 7.2% (80 residents)

Places of employment:
  • Self-employed: 12.6% (140 residents)
  • Private companies: 58.1% (644 residents)
  • Governmental workers: 16.1% (179 residents)
  • Not-for-profit companies: 13.2% (146 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025