Treasure Island, San Francisco, CA demographics:
population, income, and more

Total population
2,291
-14.1% year-over-year change
Median household income
$93,269/yr
1.7% year-over-year change
Housing units
698
9.1% year-over-year change

Treasure Island population

How many people live in Treasure Island

Treasure Island is home to 2,291 residents, according to the most recent Census data. Gender-wise, 60.4% of Treasure Island locals are male, and 39.6% are female.

Total population
2,291
-14.1% year-over-year change
Gender ratio
Male
60.4%
1,383
Female
39.6%
908
Value Percent YoY change
Male 1,383 60.4% -15.9%
Female 908 39.6% -11.2%
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 Treasure Island is 34, with the population distributed as follows: about 11.8% are children under 15, then 18.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 42.4% of the population, while another 23.4% fall into the 45 to 64 bracket. Finally, around 3.8% are 65 or older.

Median age
33.9
Age breakdown
Under 15
11.8%
15 to 24
18.7%
25 to 44
42.4%
45 to 64
23.4%
Over 65
3.8%
Value Percent YoY change
Under 15 270 11.8% -14.6%
15 to 24 428 18.7% -36.3%
25 to 44 971 42.4% -7.9%
45 to 64 537 23.4% -0.2%
Over 65 86 3.8% -2.3%
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 Treasure Island, 65.2% of the population are US-born citizens, while 15.2% have gained naturalized citizenship. At the same time, 19.6% of residents are non-citizens. As for race, 34.5% of locals are Caucasian, 18.2% are African American and 6.2% have Asian roots. There’s also a share of 25.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
65.2%
Non-U.S.-born citizens
15.2%
Non-citizens
19.6%
Value Percent YoY change
U.S.-born citizens 1,494 65.2% -20.4%
Non-U.S.-born citizens 349 15.2% 32.2%
Non-citizens 448 19.6% -15.0%
Racial breakdown
White
34.5%
Black or African American
18.2%
American Indian and Alaska Native
1.6%
Asian
6.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
25.4%
Other
14.1%
Value Percent
White 791 34.5%
Black or African American 418 18.2%
American Indian and Alaska Native 37 1.6%
Asian 141 6.2%
Two or more races 581 25.4%
Other 323 14.1%

Households in Treasure Island

A peek inside Treasure Island households

Treasure Island has 581 households, with an average of 3 members in each. Of these, 45.1% are families, while the remaining 54.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
581
-0.2% year-over-year change
Average people per household
3
Non-family households
319
Family households
262
Value Percent YoY change
Non-family households 319 54.9% 14.8%
Family households 262 45.1% -13.8%
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 Treasure Island

The housing landscape of Treasure Island

Treasure Island's housing consists of 698 units, with 2.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 28.9% and offer a more compact, shared living style.

Housing units
698
9.1% year-over-year change
Housing types
Value Percent
1 unit, detached 18 2.6%
1 unit, attached 202 28.9%
3 or 4 units 200 28.6%
5 to 9 units 223 31.9%
10 to 19 units 19 2.7%
20 to 49 units 20 2.9%
50 or more units 17 2.4%
Homes built since 2020
58
% year-over-year change

The age of buildings in Treasure Island

In Treasure Island, the median construction year is 1961. About 10.9% of homes were built before the 1940s, with another 22.7% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 76 10.9% 33.3%
Built between 1940 and 1949 158 22.7% -13.7%
Built between 1950 and 1959 95 13.6% -24.6%
Built between 1960 and 1969 174 25% 16.0%
Built between 1970 and 1979 68 9.8% -5.6%
Built between 1980 and 1989 58 8.3% 28.9%
Built between 1990 and 1999 9 1.3% 12.5%
Built in 2020 or later 58 8.3% 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.

Treasure Island occupancy rates

Meanwhile, 16.8% of all homes on the local market sit vacant.

Occupied housing units
581
-0.2% year-over-year change
Occupancy breakdown
Renter occupied
581
Owner occupied
Value Percent YoY
change
Renter occupied 581 100% -0.2%
Unoccupied housing units
16.8%
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.

Treasure Island housing costs

Housing costs in Treasure Island come to a median of $2,415 per month, while tenants specifically pay a median gross rent of $2,415.

Median housing costs per month
$2,415/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 Treasure Island
$2,415/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 Treasure Island

Treasure Island education at a glance

About 36.2% of the population in Treasure Island went to high school, while 23% pursued college studies. Another 10.6% earned an associate degree and 23.9% hold a bachelor’s. Meanwhile, 4.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 31 1.6% 34.8%
High school diploma 707 36.2% -26.7%
College diploma 449 23% -5.9%
Associate degree 207 10.6% 13.7%
Bachelor's degree 467 23.9% -6.0%
Graduate degree 94 4.8% -19.7%
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 Treasure Island

How much people earn in Treasure Island

The average annual household income in Treasure Island was $161,334 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +18.8% change from the previous year. At the same time, the median income stood at $93,269, reflecting a +1.7% shift over the same period.

Average household income in Treasure Island
$161,334/year
18.8% year-over-year change
Median household income in Treasure Island
$93,269/year
1.7% year-over-year change

Treasure Island income by age

In Treasure Island, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $156,667. Overall, 67.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $156,667 37.4%
Above poverty level
1,493
Below poverty level
711
Value Percent YoY
change
Above poverty level 1,493 67.7% -6.1%
Below poverty level 711 32.3% -27.7%

Employment in Treasure Island

Workforce and job types in Treasure Island

85.6% of the working population are employed in professional or administrative positions, while 14.4% are in hands-on or service-based jobs. Also, 5.2% run their own businesses, 71.2% are employed by private companies, and 17.2% work in the public sector.

Workforce demographics

White collar
1,038
Blue collar
175
Value Percent YoY change
White collar 1,038 85.6% -6.0%
Blue collar 175 14.4% -23.6%
Employer type
Self employees
5.2%
Private companies
71.2%
Governmental workers
17.2%
Not for profit companies
6.4%
Value Percent YoY change
Self employees 63 5.2% -23.2%
Private companies 864 71.2% -11.5%
Governmental workers 209 17.2% 2.5%
Not for profit companies 77 6.4% 6.9%

Transportation in Treasure Island

How people get around in Treasure Island

Commuting methods vary: 49.1% of residents travel by personal vehicle and 10.6% 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 453 49.1% -4.0%
Taxicab 6 0.6% N/A
Bus or trolleybus 324 35.1% -22.3%
Railroad 6 0.6% N/A
Bicycle 36 3.9% 80.0%
Walk 98 10.6% -34.2%
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 Treasure Island by zipcode?

Zipcode Population Number of households Median income Average income
94130 2,429 616 $93,269 $166,775

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FAQs about Treasure Island demographics 

What is the total population of Treasure Island?

Treasure Island has a total population of 2,291 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 -14.1% compared to a year ago.

What is the gender ratio in Treasure Island?

The gender ratio in Treasure Island is as follows:
  • 60.4% males (1,383 residents)
  • 39.6% females (908 residents)

What is the median age in Treasure Island?

The median age in Treasure Island is 33.9.

What is the age distribution of the population in Treasure Island?

The age distribution in Treasure Island is as follows:
  • Under 15: 11.8% (270 residents)
  • Ages 15-24: 18.7% (428 residents)
  • Ages 25-44: 42.4% (971 residents)
  • Ages 45-64: 23.4% (537 residents)
  • Over 65: 3.8% (86 residents)

What is the racial and ethnic makeup of Treasure Island?

The racial and ethnic makeup of Treasure Island is as follows:
  • White: 34.5% (791 residents)
  • Black or African American: 18.2% (418 residents)
  • American Indian and Alaska Native: 1.6% (37 residents)
  • Asian: 6.2% (141 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 25.4% (581 residents)
  • Other: 14.1% (323 residents)

What percentage of the population in Treasure Island are U.S.-born citizens?

U.S.-born citizens represent 65.2% of the population in Treasure Island.

How many housing units are there in Treasure Island?

There are 698 housing units in Treasure Island, reflecting a +9.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Treasure Island and what is the average household size?

Treasure Island has a total of 581 households, with an average of 3 people in each.

What is the median household income in Treasure Island?

Treasure Island has a median household income of $93,269, representing a +1.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Treasure Island?

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

Job types:
  • White-collar workers: 85.6% (1,038 residents)
  • Blue-collar workers: 14.4% (175 residents)

Places of employment:
  • Self-employed: 5.2% (63 residents)
  • Private companies: 71.2% (864 residents)
  • Governmental workers: 17.2% (209 residents)
  • Not-for-profit companies: 6.4% (77 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