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

Total population
2,254
2.8% year-over-year change
Median household income
$81,789/yr
15.2% year-over-year change
Housing units
1,622
4.9% year-over-year change

Twin Peaks population

How many people live in Twin Peaks

Twin Peaks is home to 2,254 residents, according to the most recent Census data. Gender-wise, 53.7% of Twin Peaks locals are male, and 46.3% are female.

Total population
2,254
2.8% year-over-year change
Gender ratio
Male
53.7%
1,210
Female
46.3%
1,044
Value Percent YoY change
Male 1,210 53.7% -5.8%
Female 1,044 46.3% 15.1%
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 35, with the population distributed as follows: about 19.5% are children under 15, then 9.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 32.1% of the population, while another 25.6% fall into the 45 to 64 bracket. Finally, around 13.3% are 65 or older.

Median age
34.6
Age breakdown
Under 15
19.5%
15 to 24
9.5%
25 to 44
32.1%
45 to 64
25.6%
Over 65
13.3%
Value Percent YoY change
Under 15 439 19.5% 35.5%
15 to 24 215 9.5% -21.2%
25 to 44 724 32.1% 15.1%
45 to 64 576 25.6% 17.6%
Over 65 300 13.3% -37.0%
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, 84.2% of the population are US-born citizens, while 7.5% have gained naturalized citizenship. At the same time, 8.3% of residents are non-citizens. As for race, 43.5% of locals are Caucasian, 8.8% are African American and 8.7% have Asian roots. Another 0.6% are Indigenous American, 3.1% are Pacific Islanders, while 9.5% identify as another race. There’s also a share of 25.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
84.2%
Non-U.S.-born citizens
7.5%
Non-citizens
8.3%
Value Percent YoY change
U.S.-born citizens 1,897 84.2% 10.2%
Non-U.S.-born citizens 170 7.5% 6.2%
Non-citizens 187 8.3% -39.7%
Racial breakdown
White
43.5%
Black or African American
8.8%
American Indian and Alaska Native
0.6%
Asian
8.7%
Native Hawaiian and other Pacific Islander
3.1%
Two or more races
25.7%
Other
9.5%
Value Percent
White 981 43.5%
Black or African American 199 8.8%
American Indian and Alaska Native 13 0.6%
Asian 197 8.7%
Native Hawaiian and other Pacific Islander 70 3.1%
Two or more races 579 25.7%
Other 215 9.5%

Households in Twin Peaks

A peek inside Twin Peaks households

Twin Peaks has 948 households, with an average of 2 members in each. Of these, 68.9% are families, while the remaining 31.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
948
-0.7% year-over-year change
Average people per household
2
Non-family households
295
Family households
653
Value Percent YoY change
Non-family households 295 31.1% -21.3%
Family households 653 68.9% 12.6%
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 1,622 units, with 87.4% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 8% of the housing landscape.

Housing units
1,622
4.9% year-over-year change
Housing types
Value Percent
1 unit, detached 1,417 87.4%
20 to 49 units 51 3.1%
50 or more units 24 1.5%
Mobile home 130 8%
Homes built since 2020
% year-over-year change

The age of buildings in Twin Peaks

In Twin Peaks, the median construction year is 1968. About 26.3% of homes were built before the 1940s, with another 3% 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 427 26.3% 25.2%
Built between 1940 and 1949 48 3% 50.0%
Built between 1950 and 1959 70 4.3% 2.9%
Built between 1960 and 1969 331 20.4% -13.8%
Built between 1970 and 1979 359 22.1% 21.3%
Built between 1980 and 1989 95 5.9% -11.2%
Built between 1990 and 1999 141 8.7% -14.6%
Built between 2000 and 2009 35 2.2% N/A
Built between 2010 and 2019 116 7.2% -24.2%
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 948 occupied housing units in Twin Peaks, 74.5% are owner-occupied, while 25.5% are lived in by tenants. Meanwhile, 41.6% of all homes on the local market sit vacant.

Occupied housing units
948
-0.7% year-over-year change
Occupancy breakdown
Renter occupied
242
Owner occupied
706
Value Percent YoY
change
Renter occupied 242 25.5% -11.4%
Owner occupied 706 74.5% 3.5%
Unoccupied housing units
41.6%
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 $1,643 per month, while tenants specifically pay a median gross rent of $2,589.

Median housing costs per month
$1,643/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
$2,589/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 26.1% of the population in Twin Peaks went to high school, while 44.4% pursued college studies. Another 14.5% earned an associate degree and 9.4% hold a bachelor’s. Meanwhile, 5.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 470 26.1% -20.7%
College diploma 800 44.4% 12.7%
Associate degree 261 14.5% 16.0%
Bachelor's degree 169 9.4% 9.0%
Graduate degree 100 5.6% -27.5%
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 $76,184 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +11.9% change from the previous year. At the same time, the median income stood at $81,789, reflecting a +15.2% shift over the same period.

Average household income in Twin Peaks
$76,184/year
11.9% year-over-year change
Median household income in Twin Peaks
$81,789/year
15.2% 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 $82,487. Those with someone between 45 and 64 in charge, often well established professionally, earn $86,002 overall. Overall, 85.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $82,487 -4.0%
45 - 64 $86,002 3.8%
Over 65 $39,612 45.2%
Above poverty level
1,813
Below poverty level
299
Value Percent YoY
change
Above poverty level 1,813 85.8% 4.0%
Below poverty level 299 14.2% -28.1%

Employment in Twin Peaks

Workforce and job types in Twin Peaks

89.3% of the working population are employed in professional or administrative positions, while 10.7% are in hands-on or service-based jobs. Also, 29.6% run their own businesses, 47.8% are employed by private companies, and 14.4% work in the public sector.

Workforce demographics

White collar
982
Blue collar
118
Value Percent YoY change
White collar 982 89.3% 10.3%
Blue collar 118 10.7% 19.2%
Employer type
Self employees
29.6%
Private companies
47.8%
Governmental workers
14.4%
Not for profit companies
8.3%
Value Percent YoY change
Self employees 325 29.6% -14.7%
Private companies 526 47.8% 11.0%
Governmental workers 158 14.4% 209.8%
Not for profit companies 91 8.3% 9.6%

Transportation in Twin Peaks

How people get around in Twin Peaks

In Twin Peaks, the average commute time is 23 minutes.

Commute time
23 min
Means of transportation
Value Percent YoY change
Car 1,039 100% 18.7%
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
92391 2,254 948 $81,789 $76,184

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FAQs about Twin Peaks demographics 

What is the total population of Twin Peaks?

Twin Peaks has a total population of 2,254 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 +2.8% compared to a year ago.

What is the gender ratio in Twin Peaks?

The gender ratio in Twin Peaks is as follows:
  • 53.7% males (1,210 residents)
  • 46.3% females (1,044 residents)

What is the median age in Twin Peaks?

The median age in Twin Peaks is 34.6.

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

The age distribution in Twin Peaks is as follows:
  • Under 15: 19.5% (439 residents)
  • Ages 15-24: 9.5% (215 residents)
  • Ages 25-44: 32.1% (724 residents)
  • Ages 45-64: 25.6% (576 residents)
  • Over 65: 13.3% (300 residents)

What is the racial and ethnic makeup of Twin Peaks?

The racial and ethnic makeup of Twin Peaks is as follows:
  • White: 43.5% (981 residents)
  • Black or African American: 8.8% (199 residents)
  • American Indian and Alaska Native: 0.6% (13 residents)
  • Asian: 8.7% (197 residents)
  • Native Hawaiian and Other Pacific Islander: 3.1% (70 residents)
  • Two or More Races: 25.7% (579 residents)
  • Other: 9.5% (215 residents)

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

U.S.-born citizens represent 84.2% of the population in Twin Peaks.

How many housing units are there in Twin Peaks?

There are 1,622 housing units in Twin Peaks, reflecting a +4.9% 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 948 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 $81,789, representing a +15.2% 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: 89.3% (982 residents)
  • Blue-collar workers: 10.7% (118 residents)

Places of employment:
  • Self-employed: 29.6% (325 residents)
  • Private companies: 47.8% (526 residents)
  • Governmental workers: 14.4% (158 residents)
  • Not-for-profit companies: 8.3% (91 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