Residential delivery area · California
ZIP Code 93405: San Luis Obispo, CA
ZIP code 93405 uses the postal name San Luis Obispo, California and lies entirely in San Luis Obispo County (Census 2020 ZIP-county file). About 25,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of San Luis Obispo's 6 residential ZIP codes. Median household income is $60,399 (Census Bureau, ACS 2020-2024). By Census place, its land lies in San Luis Obispo (7%) and Avila Beach (4%); 89% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- San Luis Obispo · 6 residential ZIPs
- County
- San Luis Obispo County
- Census places
- San Luis Obispo (7%); Avila Beach (4%) census-designated place
- Metro area
- San Luis Obispo-Paso Robles, CA
- House district
- CA-24 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 89.7 sq mi · 279 people per sq mi
Where is ZIP code 93405?
93405 centers on 35.300°, -120.735° and covers 89.7 square miles of land plus 0.2 of water. It borders 10 ZIP codes: 93408, 93409, 93407, 93410, 93402, 93424, 93442, 93401, 93449, 93453.
The map draws ZIP code areas only. For the streets inside 93405, 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 93405 compare with the rest of San Luis Obispo?
| Measure | 93405 | In San Luis Obispo | In San Luis Obispo County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 25,002 | 2nd of 6 | 6th of 28 | 724th of 1,802 |
| Median household income | $60k | 2nd of 2 | 15th of 16 | 1,090th of 1,189 |
| Median home value | $950k | 2nd of 2 | 4th of 21 | 388th of 1,317 |
Its median household income is higher than in 30% of U.S. residential ZIP codes, and it is denser than 66% 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 93405?
The 2020 Census counted 23,331 people in 93405; the ACS, which samples households over 2020-2024, estimates 25,002. Between the 2010 and 2020 censuses its population fell 34.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 25,002
- 2020 Census count
- 23,331−34.2% since 2010 (35,440)
- Households
- 8,883
- Median age
- 22.6
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 93405?
Of the 25,002 people the ACS estimates in 93405, 7.5% are under 18 and 11.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.2%), then Hispanic or Latino (16.3%).
- Under 187.5%
- 18 to 6480.6%
- 65 and older11.9%
- White, not Hispanic70.2%
- Hispanic or Latino16.3%
- Other or two or more6.3%
- Asian, not Hispanic6.2%
- Black, not Hispanic1.0%
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 93405 earn?
Median household income is $60,399 (ACS 2020-2024), the 15th highest of the 16 ranked ZIP codes in San Luis Obispo County. It is not measurably different from 2015-2019 ($56,359 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $60,399±$8,180
- Income per person
- $35,940
- Below the poverty line
- 43.5%
- Unemployed (of the labor force)
- 9.8%
- Adults 25+ with a bachelor's degree
- 54.8%
- Adjusted gross income per tax return, 2022
- $105,3387,880 returns; wages 55% 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 93405?
FHFA's house price index for 93405, built from repeat sales and appraisals of the same homes, rose 76% from 2015 to 2025 and rose 44% from 2020 to 2025, and moved +3.7% in 2025.
- Median home value (owners' estimate)
- $949,700
- Median gross rent
- $2,020
- Homes owned by their occupants
- 34.7%
- Housing units
- 9,858
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 93405?
457 business establishments had a location in this ZIP code in 2023, 30 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance94
- Accommodation and food services81
- Retail trade72
- Professional, scientific, and technical services50
- Other services (except public administration)29
- Real estate and rental and leasing25
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 93405?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 93408 | San Luis Obispo | 6 | – | 1.7 mi |
| 93409 | San Luis Obispo | 2,952 | – | 2.6 mi |
| 93407 | San Luis Obispo | 347 | – | 3.7 mi |
| 93410 | San Luis Obispo | 7,396 | – | 4.4 mi |
| 93402 | Los Osos | 14,197 | $109k | 5.7 mi |
| 93424 | Avila Beach | 962 | – | 7.6 mi |
| 93442 | Morro Bay | 11,571 | $96k | 7.9 mi |
| 93401 | San Luis Obispo | 29,202 | $97k | 8.1 mi |
| 93449 | Pismo Beach | 8,014 | $118k | 10.7 mi |
| 93453 | Santa Margarita | 2,344 | $78k | 29.4 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.