Residential delivery area · California
ZIP Code 93427: Buellton, CA
ZIP code 93427 uses the postal name Buellton, California and lies entirely in Santa Barbara County (Census 2020 ZIP-county file). About 5,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $102,857 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Buellton; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Buellton · its only residential ZIP
- County
- Santa Barbara County
- Census places
- Buellton
- Metro area
- Santa Maria-Santa Barbara, CA
- House district
- CA-24 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 69.5 sq mi · 83 people per sq mi
Where is ZIP code 93427?
93427 centers on 34.643°, -120.239° and covers 69.5 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 93463, 93436, 93440, 93441, 93117.
The map draws ZIP code areas only. For the streets inside 93427, 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 93427 compare with the rest of Santa Barbara County?
| Measure | 93427 | In Santa Barbara County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 5,737 | 17th of 25 | 1,113th of 1,802 |
| Median household income | $103k | not ranked | not ranked |
| Median home value | $868k | 13th of 20 | 466th of 1,317 |
93427's median household income is not ranked: its 90% margin of error (±$26,202) is more than a quarter of the figure ($102,857). 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 51% 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 93427?
The 2020 Census counted 5,864 people in 93427; the ACS, which samples households over 2020-2024, estimates 5,737. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 5,737
- 2020 Census count
- 5,864
- Households
- 2,178
- Median age
- 40.4
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 93427?
Of the 5,737 people the ACS estimates in 93427, 19.1% are under 18 and 17.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (65.9%), then Hispanic or Latino (26.6%).
- Under 1819.1%
- 18 to 6463.4%
- 65 and older17.5%
- White, not Hispanic65.9%
- Hispanic or Latino26.6%
- Other or two or more4.8%
- Asian, not Hispanic1.8%
- Black, not Hispanic0.8%
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 93427 earn?
Median household income is $102,857 (ACS 2020-2024).
- Median household income
- $102,857±$26,202
- Income per person
- $49,081
- Below the poverty line
- 4.8%
- Unemployed (of the labor force)
- 1.9%
- Adults 25+ with a bachelor's degree
- 41.4%
- Adjusted gross income per tax return, 2022
- $96,6803,060 returns; wages 65% of AGI (IRS)
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 93427?
FHFA's house price index for 93427, built from repeat sales and appraisals of the same homes, rose 74% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved −3.8% in 2025.
- Median home value (owners' estimate)
- $867,500
- Median gross rent
- $2,122
- Homes owned by their occupants
- 59.2%
- Housing units
- 2,626
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 93427?
270 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in manufacturing (ZIP Code Business Patterns).
- Manufacturing42
- Accommodation and food services41
- Retail trade39
- Construction37
- Professional, scientific, and technical services24
- Other services (except public administration)21
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 93427?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 93463 | Solvang | 8,130 | $119k | 6.4 mi |
| 93436 | Lompoc | 55,820 | $80k | 8.4 mi |
| 93440 | Los Alamos | 1,185 | $79k | 8.8 mi |
| 93441 | Los Olivos | 1,134 | $143k | 10.3 mi |
| 93117 | Goleta | 52,934 | $90k | 14.3 mi |
| 93437 | Lompoc | 3,477 | $84k | 17.3 mi (near) |
| 93454 | Santa Maria | 41,896 | $82k | 19.4 mi (near) |
| 93455 | Santa Maria | 44,611 | $111k | 19.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.