US ZIP Code
92391

Twin Peaks, CA

San Bernardino County  ·  California

● Active
👥 2,192 Population ↑ 12% since 2019
💰 $70,987 Median HH Income
≈ Avg ↑ 47% since 2019
🎂 35.5 Median Age ↓ 20% since 2019
🏠 $313,100 Median Home Value
▲ 12% above avg ↑ 17% since 2019
🎓 32.7% College Grads
▼ 16% below avg
📊 3.9% Unemployment
▼ 20% below avg ↑ 13% since 2019
ZIP Code Details
ZIP Code92391
CityTwin Peaks
StateCalifornia (CA)
CountySan Bernardino County
Area Code840/909
Elevation5,617 ft
Latitude34.239689
Longitude-117.236669
TimezoneLos Angeles (DST)
FIPS06071
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 58.6% (1,285) Female 41.4% (907) ♀

Race & Ethnicity

White: 41.7%Hispanic: 36.7%Black: 5.2%Asian: 10.6%Other: 1.1%Race
White41.7%
Hispanic36.7%
Black5.2%
Asian10.6%
Other1.1%

Age Breakdown

Under 5
3%
5–17
13%
18–24
12%
25–44
29%
45–64
22%
65+
8%

Key Indicators

Median Age35.5 yrs ↓ 20% since 2019
Avg Household Size2.26
Below Poverty19.0% ▲ 90% above avg
College Grads32.7% ▼ 16% below avg
Unemployment3.9% ▼ 20% below avg
HS Graduate455 (30.8%)
Some College140 (9.5%)
Associates398 (27%)
Bachelors225 (15.3%)
Graduate Degree257 (17.4%)

Education

HS Grad: 30.8%Some College: 9.5%Associates: 27%Bachelors: 15.3%Graduate: 17.4%Edu
HS Grad30.8%
Some College9.5%
Associates27.0%
Bachelors15.3%
Graduate17.4%
Housing & Income

Housing Tenure

Owner: 71.4%Renter: 28.6%Tenure
Owner71.4%
Renter28.6%

Home Value Distribution

$100k–150k
4%
$200k–300k
43%
$300k–500k
29%
Over $500k
25%

Financials

Median HH Income$70,987 ≈ Avg ↑ 47% since 2019
Median Home Value$313,100 ▲ 12% above avg ↑ 17% since 2019
Home/Income Ratio4.4x (nat avg ~3.5x)
Median Rent$1,473/mo ↑ 92% since 2019
Total Units1,546
Vacant Units591
Avg HH Size2.26

Income Distribution

Under $25k
24%
$25k–50k
18%
$50k–75k
7%
$75k–100k
32%
$100k–150k
13%
$150k–200k
6%
Employment & Commute

How People Get to Work

Drove Alone
86%
Work From Home
14%

Commute Time

Under 15 min
51%
15–30 min
20%
30–45 min
4%
Over 45 min
25%
Housing Stock

Year Built

1940s–1950s
20%
1960s–1970s
4%
1980s–1990s
1%
2000+
76%

Summary

Total Units1,546
Vacant591
Owner Occupied71.4%
Renter Occupied28.6%
Avg HH Size2.26
Frequently Asked Questions
ZIP code 92391 is in Twin Peaks, CA, in San Bernardino County.
ZIP code 92391 is located in California (CA).
ZIP code 92391 is in San Bernardino County, CA.
ZIP 92391 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 92391 is 2,192 people (ACS 2023).
The median household income in ZIP code 92391 is $70,987 (ACS 2023).
The median home value in ZIP 92391 is $313,100 (ACS 2023).
About ZIP Code 92391

ZIP code 92391 is located in Twin Peaks, California, within San Bernardino County. With a population of 2,192, this is a sparsely populated ZIP code with a relatively young community — the median age is 35.5 years. Economically, 92391 is a solidly middle-class ZIP code: the median household income of $70,987 is near the national average.

Real estate in ZIP code 92391 represents a mid-range housing market. The median home value of $313,100 is near the national average. Renters can expect to pay around $1,473 per month in median rent. Homeownership is strong here — 71.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 17% since 2019.

The population of 92391 is racially diverse, with White as the largest group at 41.7%. Residents are moderately educated — 32.7% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 19.0%. Household income has grown by 47% since 2019.

The unemployment rate in 92391 stands at 3.9%, which is below the national average. About 13% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 78%.

Overall, ZIP code 92391 in Twin Peaks, CA is characterized as solidly middle-class, moderately educated, a relatively young community, and predominantly owner-occupied. With 2,192 residents, a median household income of $70,987, and a median home value of $313,100, it offers a clear picture of life in this part of California.