Residential delivery area · California
ZIP Code 93430: Cayucos, CA
ZIP code 93430 uses the postal name Cayucos, California and lies entirely in San Luis Obispo County (Census 2020 ZIP-county file). About 3,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $89,519 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Cayucos (a census-designated place); 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Cayucos · its only residential ZIP
- County
- San Luis Obispo County
- Census places
- Cayucos census-designated place
- Metro area
- San Luis Obispo-Paso Robles, CA
- House districts
- CA-19 (58%), CA-24 (42%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 71.7 sq mi · 44 people per sq mi
Where is ZIP code 93430?
93430 centers on 35.485°, -120.944° and covers 71.7 square miles of land plus 4.6 of water. It borders 4 ZIP codes: 93428, 93442, 93465, 93422.
The map draws ZIP code areas only. For the streets inside 93430, 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 93430 compare with the rest of San Luis Obispo County?
| Measure | 93430 | In San Luis Obispo County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 3,125 | 17th of 28 | 1,212th of 1,802 |
| Median household income | $90k | 12th of 16 | 707th of 1,189 |
| Median home value | $1.02M | 2nd of 21 | 352nd of 1,317 |
Its median household income is higher than in 73% of U.S. residential ZIP codes, and it is denser than 40% 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 93430?
The 2020 Census counted 2,849 people in 93430; the ACS, which samples households over 2020-2024, estimates 3,125. Between the 2010 and 2020 censuses its population fell 4.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,125±524 (90% margin)
- 2020 Census count
- 2,849−4.1% since 2010 (2,972)
- Households
- 1,571
- Median age
- 60.1
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 93430?
Of the 3,125 people the ACS estimates in 93430, 10.3% are under 18 and 37.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.5%), then Hispanic or Latino (14.2%).
- Under 1810.3%
- 18 to 6451.8%
- 65 and older37.9%
- White, not Hispanic79.5%
- Hispanic or Latino14.2%
- Other or two or more5.1%
- Asian, not Hispanic1.2%
- Black, not Hispanic0.0%
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 93430 earn?
Median household income is $89,519 (ACS 2020-2024), the 12th highest of the 16 ranked ZIP codes in San Luis Obispo County. It is not measurably different from 2015-2019 ($79,691 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $89,519±$18,645
- Income per person
- $53,837
- Below the poverty line
- 8.6%
- Unemployed (of the labor force)
- 1.2%
- Adults 25+ with a bachelor's degree
- 45.0%
- Adjusted gross income per tax return, 2022
- $128,1291,480 returns; wages 35% 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 93430?
FHFA's house price index for 93430, built from repeat sales and appraisals of the same homes, rose 50% from 2015 to 2025 and rose 27% from 2020 to 2025.
- Median home value (owners' estimate)
- $1,018,200
- Median gross rent
- $1,571
- Homes owned by their occupants
- 63.1%
- Housing units
- 2,719
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 93430?
82 business establishments had a location in this ZIP code in 2023, 5 fewer than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services23
- Construction12
- Retail trade11
- Professional, scientific, and technical services8
- Real estate and rental and leasing6
- Other services (except public administration)5
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 93430?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 93428 | Cambria | 6,399 | $100k | 8.8 mi |
| 93442 | Morro Bay | 11,571 | $96k | 10.0 mi |
| 93465 | Templeton | 11,039 | $129k | 12.5 mi |
| 93422 | Atascadero | 33,002 | $92k | 14.4 mi |
| 93402 | Los Osos | 14,197 | $109k | 14.5 mi (near) |
| 93408 | San Luis Obispo | 6 | – | 17.0 mi (near) |
| 93405 | San Luis Obispo | 25,002 | $60k | 17.4 mi (near) |
| 93446 | Paso Robles | 45,554 | $98k | 17.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.