Twin Peaks, San Francisco, San Francisco County, CA demographics:
population, income, and more

Total population
2,650
1.0% year-over-year change
Median household income
$201,672/yr
2.0% year-over-year change
Housing units
1,365
0.9% year-over-year change

Twin Peaks population

How many people live in Twin Peaks

Twin Peaks is home to 2,650 residents, according to the most recent Census data. Gender-wise, 53.4% of Twin Peaks locals are male, and 46.6% are female.

Total population
2,650
1.0% year-over-year change
Gender ratio
Male
53.4%
1,414
Female
46.6%
1,236
Value Percent YoY change
Male 1,414 53.4% -0.6%
Female 1,236 46.6% 2.9%
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 Twin Peaks is 41, with the population distributed as follows: about 13% are children under 15, then 6.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 37.5% of the population, while another 27% fall into the 45 to 64 bracket. Finally, around 16.4% are 65 or older.

Median age
41
Age breakdown
Under 15
13%
15 to 24
6.1%
25 to 44
37.5%
45 to 64
27%
Over 65
16.4%
Value Percent YoY change
Under 15 344 13% 8.2%
15 to 24 162 6.1% -10.0%
25 to 44 994 37.5% 3.1%
45 to 64 717 27% -4.8%
Over 65 434 16.4% 6.4%
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 Twin Peaks, 74.1% of the population are US-born citizens, while 15.4% have gained naturalized citizenship. At the same time, 10.5% of residents are non-citizens. As for race, 58.4% of locals are Caucasian, 2.9% are African American and 20.6% have Asian roots. There’s also a share of 13.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
74.1%
Non-U.S.-born citizens
15.4%
Non-citizens
10.5%
Value Percent YoY change
U.S.-born citizens 1,963 74.1% 0.4%
Non-U.S.-born citizens 408 15.4% -1.4%
Non-citizens 279 10.5% 10.3%
Racial breakdown
White
58.4%
Black or African American
2.9%
American Indian and Alaska Native
0.4%
Asian
20.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
13.4%
Other
4.2%
Value Percent
White 1,548 58.4%
Black or African American 78 2.9%
American Indian and Alaska Native 12 0.4%
Asian 545 20.6%
Native Hawaiian and other Pacific Islander 1 0%
Two or more races 354 13.4%
Other 111 4.2%

Households in Twin Peaks

A peek inside Twin Peaks households

Twin Peaks has 1,227 households, with an average of 2 members in each. Of these, 47.4% are families, while the remaining 52.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,227
0.3% year-over-year change
Average people per household
2
Non-family households
646
Family households
581
Value Percent YoY change
Non-family households 646 52.6% -1.4%
Family households 581 47.4% 2.3%
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 Twin Peaks

The housing landscape of Twin Peaks

Twin Peaks's housing consists of 1,365 units, with 28% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 13.7% 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 0.2% of the housing landscape.

Housing units
1,365
0.9% year-over-year change
Housing types
Value Percent
1 unit, detached 383 28%
1 unit, attached 187 13.7%
2 units 186 13.6%
3 or 4 units 188 13.8%
5 to 9 units 134 9.8%
10 to 19 units 140 10.2%
20 to 49 units 98 7.2%
50 or more units 46 3.4%
Mobile home 2 0.2%
Boat, RV, van, etc. 2 0.2%
Homes built since 2020
2
% year-over-year change

The age of buildings in Twin Peaks

In Twin Peaks, the median construction year is 1950. About 40.3% of homes were built before the 1940s, with another 4.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 3% of homes were added from 2000 to 2009, 1.9% 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 550 40.3% -1.4%
Built between 1940 and 1949 67 4.9% 11.7%
Built between 1950 and 1959 139 10.2% -0.7%
Built between 1960 and 1969 226 16.6% 5.6%
Built between 1970 and 1979 221 16.2% 0.0%
Built between 1980 and 1989 58 4.2% -4.9%
Built between 1990 and 1999 35 2.6% -7.9%
Built between 2000 and 2009 41 3% 13.9%
Built between 2010 and 2019 26 1.9% 4.0%
Built in 2020 or later 2 0.2% N/A
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.

Twin Peaks occupancy rates

Out of the 1,227 occupied housing units in Twin Peaks, 50.8% are owner-occupied, while 49.2% are lived in by tenants. Meanwhile, 10.1% of all homes on the local market sit vacant.

Occupied housing units
1,227
0.3% year-over-year change
Occupancy breakdown
Renter occupied
604
Owner occupied
623
Value Percent YoY
change
Renter occupied 604 49.2% -0.2%
Owner occupied 623 50.8% 0.8%
Unoccupied housing units
10.1%
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.

Twin Peaks housing costs

Housing costs in Twin Peaks come to a median of $3,286 per month, while tenants specifically pay a median gross rent of $3,068.

Median housing costs per month
$3,286/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 Twin Peaks
$3,068/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 Twin Peaks

Twin Peaks education at a glance

About 7.6% of the population in Twin Peaks went to high school, while 10.1% pursued college studies. Another 4.3% earned an associate degree and 38.3% hold a bachelor’s. Meanwhile, 38.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 32 1.4% -3.0%
High school diploma 171 7.6% -0.6%
College diploma 228 10.1% -0.9%
Associate degree 97 4.3% -2.0%
Bachelor's degree 868 38.3% 0.1%
Graduate degree 868 38.3% 1.2%
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 Twin Peaks

How much people earn in Twin Peaks

The average annual household income in Twin Peaks was $269,888 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2% change from the previous year. At the same time, the median income stood at $201,672, reflecting a +2% shift over the same period.

Average household income in Twin Peaks
$269,888/year
2.0% year-over-year change
Median household income in Twin Peaks
$201,672/year
2.0% year-over-year change

Twin Peaks income by age

In Twin Peaks, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $248,223. Those with someone between 45 and 64 in charge, often well established professionally, earn $222,543 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $155,455, while those led by someone over 65, many of whom may be retired, have about $98,193 in earnings. Overall, 94% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $155,455 17.7%
25 - 44 $248,223 1.4%
45 - 64 $222,543 10.1%
Over 65 $98,193 -4.6%
Above poverty level
2,444
Below poverty level
155
Value Percent YoY
change
Above poverty level 2,444 94% 0.9%
Below poverty level 155 6% 0.7%

Employment in Twin Peaks

Workforce and job types in Twin Peaks

96.3% of the working population are employed in professional or administrative positions, while 3.7% are in hands-on or service-based jobs. Also, 13.2% run their own businesses, 64% are employed by private companies, and 13% work in the public sector.

Workforce demographics

White collar
1,567
Blue collar
60
Value Percent YoY change
White collar 1,567 96.3% -1.8%
Blue collar 60 3.7% 5.3%
Employer type
Self employees
13.2%
Private companies
64%
Governmental workers
13%
Not for profit companies
9.8%
Value Percent YoY change
Self employees 214 13.2% 0.0%
Private companies 1,041 64% -1.6%
Governmental workers 211 13% -2.3%
Not for profit companies 160 9.8% -3.0%

Transportation in Twin Peaks

How people get around in Twin Peaks

In Twin Peaks, the average commute time is 3 minutes. Commuting methods vary: 67.6% of residents travel by personal vehicle and 7.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
3 min
0.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 525 67.6% -3.0%
Taxicab 11 1.4% -8.3%
Bus or trolleybus 108 13.9% -18.2%
Railroad 14 1.8% -6.7%
Ferryboat 1 0.1% 0.0%
Motorcycle 9 1.2% -35.7%
Bicycle 52 6.7% 18.2%
Walk 56 7.2% -3.5%
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 Twin Peaks by zipcode?

Zipcode Population Number of households Median income Average income
94131 28,504 12,522 $199,211 $265,904
94114 33,020 16,856 $204,134 $283,394

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FAQs about Twin Peaks demographics 

What is the total population of Twin Peaks?

Twin Peaks has a total population of 2,650 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 +1.0% compared to a year ago.

What is the gender ratio in Twin Peaks?

The gender ratio in Twin Peaks is as follows:
  • 53.4% males (1,414 residents)
  • 46.6% females (1,236 residents)

What is the median age in Twin Peaks?

The median age in Twin Peaks is 41.

What is the age distribution of the population in Twin Peaks?

The age distribution in Twin Peaks is as follows:
  • Under 15: 13% (344 residents)
  • Ages 15-24: 6.1% (162 residents)
  • Ages 25-44: 37.5% (994 residents)
  • Ages 45-64: 27% (717 residents)
  • Over 65: 16.4% (434 residents)

What is the racial and ethnic makeup of Twin Peaks?

The racial and ethnic makeup of Twin Peaks is as follows:
  • White: 58.4% (1,548 residents)
  • Black or African American: 2.9% (78 residents)
  • American Indian and Alaska Native: 0.4% (12 residents)
  • Asian: 20.6% (545 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (1 residents)
  • Two or More Races: 13.4% (354 residents)
  • Other: 4.2% (111 residents)

What percentage of the population in Twin Peaks are U.S.-born citizens?

U.S.-born citizens represent 74.1% of the population in Twin Peaks.

How many housing units are there in Twin Peaks?

There are 1,365 housing units in Twin Peaks, reflecting a +0.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Twin Peaks and what is the average household size?

Twin Peaks has a total of 1,227 households, with an average of 2 people in each.

What is the median household income in Twin Peaks?

Twin Peaks has a median household income of $201,672, representing a +2.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Twin Peaks?

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

Job types:
  • White-collar workers: 96.3% (1,567 residents)
  • Blue-collar workers: 3.7% (60 residents)

Places of employment:
  • Self-employed: 13.2% (214 residents)
  • Private companies: 64% (1,041 residents)
  • Governmental workers: 13% (211 residents)
  • Not-for-profit companies: 9.8% (160 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