Residential delivery area · California
ZIP Code 92391: Lake Arrowhead (Twin Peaks), CA
ZIP code 92391 is in Lake Arrowhead (postal name Twin Peaks), California, entirely in San Bernardino County (Census 2020 ZIP-county file). About 2,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $81,789 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lake Arrowhead (79%) and Crestline (19%); 2% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- Town
- Twin Peaks · its only residential ZIP
- County
- San Bernardino County
- Census places
- Lake Arrowhead (79%) census-designated place; Crestline (19%) census-designated place
- Neighborhood
- Agua Fria GeoNames
- Metro area
- Riverside-San Bernardino-Ontario, CA
- House district
- CA-23 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 2.0 sq mi · 1,139 people per sq mi
Where is ZIP code 92391?
92391 centers on 34.240°, -117.237° and covers 2.0 square miles of land. It borders 6 ZIP codes: 92378, 92317, 92385, 92325, 92352, 92345.
The map draws ZIP code areas only. For the streets inside 92391, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 92391 compare with the rest of San Bernardino County?
| Measure | 92391 | In San Bernardino County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 2,254 | 68th of 98 | 1,270th of 1,802 |
| Median household income | $82k | 30th of 62 | 812th of 1,189 |
| Median home value | $341k | 56th of 65 | 1,185th of 1,317 |
Its median household income is higher than in 64% of U.S. residential ZIP codes, and it is denser than 79% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 92391?
The 2020 Census counted 2,239 people in 92391; the ACS, which samples households over 2020-2024, estimates 2,254. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,254±737 (90% margin)
- 2020 Census count
- 2,239
- Households
- 948
- Median age
- 34.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 92391?
Of the 2,254 people the ACS estimates in 92391, 20.1% are under 18 and 13.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (42.1%), then Hispanic or Latino (39.1%).
- Under 1820.1%
- 18 to 6466.5%
- 65 and older13.3%
- White, not Hispanic42.1%
- Hispanic or Latino39.1%
- Asian, not Hispanic8.7%
- Black, not Hispanic5.0%
- Other or two or more5.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 92391 earn?
Median household income is $81,789 (ACS 2020-2024), the 30th highest of the 62 ranked ZIP codes in San Bernardino County.
- Median household income
- $81,789±$12,916
- Income per person
- $30,629
- Below the poverty line
- 13.9%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 16.8%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 92391?
FHFA's house price index for 92391, built from repeat sales and appraisals of the same homes, rose 95% from 2015 to 2025 and rose 25% from 2020 to 2025, and moved −9.1% in 2025.
- Median home value (owners' estimate)
- $340,500
- Median gross rent
- $2,589
- Homes owned by their occupants
- 74.5%
- Housing units
- 1,622
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 92391?
51 business establishments had a location in this ZIP code in 2023, 7 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction17
- Other services (except public administration)8
- Administrative and support and waste management and remediation services5
- Manufacturing3
- Retail trade3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 92391?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 92378 | Rimforest | 315 | $105k | 0.9 mi |
| 92317 | Blue Jay | 916 | $99k | 1.6 mi |
| 92385 | Skyforest | 198 | – | 1.8 mi |
| 92325 | Crestline | 9,065 | $71k | 2.3 mi |
| 92352 | Lake Arrowhead | 6,246 | $106k | 3.4 mi |
| 92345 | Hesperia | 88,706 | $70k | 9.4 mi |
| 92404 | San Bernardino | 63,243 | $67k | 4.2 mi (near) |
| 92322 | Cedarpines Park | 770 | $149k | 5.0 mi (near) |
| 92321 | Cedar Glen | 724 | $124k | 5.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.