Residential delivery area · California
ZIP Code 93401: San Luis Obispo, CA
ZIP code 93401 uses the postal name San Luis Obispo, California and lies entirely in San Luis Obispo County (Census 2020 ZIP-county file). About 29,000 people live there (Census Bureau, ACS 2020-2024), the most populous of San Luis Obispo's 6 residential ZIP codes. Median household income is $96,824 (Census Bureau, ACS 2020-2024). By Census place, its land lies in San Luis Obispo (11%), Los Ranchos (5%) and Edna (2%); 82% 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 (11%); Los Ranchos (5%) census-designated place; Edna (2%) census-designated place
- Metro area
- San Luis Obispo-Paso Robles, CA
- House district
- CA-24 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 64.2 sq mi · 455 people per sq mi
Where is ZIP code 93401?
93401 centers on 35.236°, -120.616° and covers 64.2 square miles of land plus 0.0 of water. It borders 4 ZIP codes: 93449, 93405, 93420, 93453.
The map draws ZIP code areas only. For the streets inside 93401, 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 93401 compare with the rest of San Luis Obispo?
| Measure | 93401 | In San Luis Obispo | In San Luis Obispo County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 29,202 | 1st of 6 | 5th of 28 | 624th of 1,802 |
| Median household income | $97k | 1st of 2 | 8th of 16 | 617th of 1,189 |
| Median home value | $973k | 1st of 2 | 3rd of 21 | 376th of 1,317 |
Its median household income is higher than in 79% of U.S. residential ZIP codes, and it is denser than 71% 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 93401?
The 2020 Census counted 29,877 people in 93401; the ACS, which samples households over 2020-2024, estimates 29,202. Between the 2010 and 2020 censuses its population grew 6.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 29,202
- 2020 Census count
- 29,877+6.6% since 2010 (28,033)
- Households
- 13,522
- Median age
- 37.1
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 93401?
Of the 29,202 people the ACS estimates in 93401, 13.8% are under 18 and 19.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.3%), then Hispanic or Latino (18.5%).
- Under 1813.8%
- 18 to 6467.1%
- 65 and older19.1%
- White, not Hispanic70.3%
- Hispanic or Latino18.5%
- Other or two or more5.7%
- Asian, not Hispanic4.0%
- Black, not Hispanic1.6%
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 93401 earn?
Median household income is $96,824 (ACS 2020-2024), the 8th highest of the 16 ranked ZIP codes in San Luis Obispo County. It is not measurably different from 2015-2019 ($88,475 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $96,824
- Income per person
- $62,643
- Below the poverty line
- 15.4%
- Unemployed (of the labor force)
- 4.1%
- Adults 25+ with a bachelor's degree
- 55.9%
- Adjusted gross income per tax return, 2022
- $123,34015,080 returns; wages 57% 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 93401?
FHFA's house price index for 93401, built from repeat sales and appraisals of the same homes, rose 65% from 2015 to 2025 and rose 40% from 2020 to 2025, and moved +2.8% in 2025.
- Median home value (owners' estimate)
- $973,000
- Median gross rent
- $1,912
- Homes owned by their occupants
- 47.9%
- Housing units
- 14,459
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 93401?
2,161 business establishments had a location in this ZIP code in 2023, 38 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance368
- Professional, scientific, and technical services363
- Retail trade233
- Accommodation and food services200
- Other services (except public administration)159
- Construction136
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 93401?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 93449 | Pismo Beach | 8,014 | $118k | 5.6 mi |
| 93405 | San Luis Obispo | 25,002 | $60k | 8.1 mi |
| 93420 | Arroyo Grande | 31,345 | $111k | 8.9 mi |
| 93453 | Santa Margarita | 2,344 | $78k | 22.4 mi |
| 93410 | San Luis Obispo | 7,396 | – | 5.3 mi (near) |
| 93407 | San Luis Obispo | 347 | – | 5.7 mi (near) |
| 93409 | San Luis Obispo | 2,952 | – | 7.6 mi (near) |
| 93433 | Grover Beach | 12,600 | $87k | 7.9 mi (near) |
| 93408 | San Luis Obispo | 6 | – | 8.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.