Residential delivery area · California
ZIP Code 93440: Los Alamos, CA
ZIP code 93440 uses the postal name Los Alamos, California and lies entirely in Santa Barbara County (Census 2020 ZIP-county file). About 1,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $79,167 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Los Alamos (a census-designated place); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2023
- ZBP2023
- Town
- Los Alamos · its only residential ZIP
- County
- Santa Barbara County
- Census places
- Los Alamos census-designated place
- Metro area
- Santa Maria-Santa Barbara, CA
- House district
- CA-24 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 44.1 sq mi · 27 people per sq mi
Where is ZIP code 93440?
93440 centers on 34.769°, -120.258° and covers 44.1 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 93427, 93441, 93454, 93436, 93455.
The map draws ZIP code areas only. For the streets inside 93440, 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).
How does 93440 compare with the rest of Santa Barbara County?
| Measure | 93440 | In Santa Barbara County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,185 | 21st of 25 | 1,383rd of 1,802 |
| Median household income | $79k | not ranked | not ranked |
| Median home value | $831k | 14th of 20 | 519th of 1,317 |
93440's median household income is not ranked: its 90% margin of error (±$21,259) is more than a quarter of the figure ($79,167). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 31% of 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 93440?
The 2020 Census counted 2,048 people in 93440; the ACS, which samples households over 2020-2024, estimates 1,185. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,185±475 (90% margin)
- 2020 Census count
- 2,048
- Households
- 542
- Median age
- 58.1
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 93440?
Of the 1,185 people the ACS estimates in 93440, 17.7% are under 18 and 37.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.9%).
- Under 1817.7%
- 18 to 6444.6%
- 65 and older37.7%
- White, not Hispanic92.9%
- Hispanic or Latino4.9%
- Black, not Hispanic1.3%
- Asian, not Hispanic0.9%
- Other or two or more0.0%
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 93440 earn?
Median household income is $79,167 (ACS 2020-2024).
- Median household income
- $79,167±$21,259
- Income per person
- $41,997
- Below the poverty line
- 4.1%
- Unemployed (of the labor force)
- 6.0%
- Adults 25+ with a bachelor's degree
- 17.1%
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 93440?
- Median home value (owners' estimate)
- $831,300
- Median gross rent
- $2,882
- Homes owned by their occupants
- 74.5%
- Housing units
- 697
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 93440?
40 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services10
- Retail trade9
- Construction7
- Professional, scientific, and technical services3
- Other services (except public administration)3
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 93440?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 93427 | Buellton | 5,737 | $103k | 8.8 mi |
| 93441 | Los Olivos | 1,134 | $143k | 9.6 mi |
| 93454 | Santa Maria | 41,896 | $82k | 10.7 mi |
| 93436 | Lompoc | 55,820 | $80k | 13.5 mi |
| 93455 | Santa Maria | 44,611 | $111k | 13.9 mi |
| 93463 | Solvang | 8,130 | $119k | 13.2 mi (near) |
| 93437 | Lompoc | 3,477 | $84k | 14.2 mi (near) |
| 93429 | Casmalia | 99 | $169k | 17.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.