Residential delivery area · California
ZIP Code 93442: Morro Bay, CA
ZIP code 93442 uses the postal name Morro Bay, California and lies entirely in San Luis Obispo County (Census 2020 ZIP-county file). About 12,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $95,623 (Census Bureau, ACS 2020-2024). By Census place, 11% of its land lies in Morro Bay, and 1% in smaller places; 87% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Morro Bay · its only residential ZIP
- County
- San Luis Obispo County
- Census places
- Morro Bay
- Metro area
- San Luis Obispo-Paso Robles, CA
- House district
- CA-24 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 44.6 sq mi · 260 people per sq mi
- PO Box ZIPs
- 93443 also use the name Morro Bay
Where is ZIP code 93442?
93442 centers on 35.401°, -120.800° and covers 44.6 square miles of land plus 1.0 of water. It borders 5 ZIP codes: 93402, 93422, 93405, 93430, 93453.
The map draws ZIP code areas only. For the streets inside 93442, 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 93442 compare with the rest of San Luis Obispo County?
| Measure | 93442 | In San Luis Obispo County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 11,571 | 10th of 28 | 971st of 1,802 |
| Median household income | $96k | 9th of 16 | 630th of 1,189 |
| Median home value | $919k | 6th of 21 | 413th of 1,317 |
Its median household income is higher than in 78% of U.S. residential ZIP codes, and it is denser than 65% 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 93442?
The 2020 Census counted 11,390 people in 93442; the ACS, which samples households over 2020-2024, estimates 11,571. Between the 2010 and 2020 censuses its population grew 5.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 11,571
- 2020 Census count
- 11,390+5.6% since 2010 (10,789)
- Households
- 5,433
- Median age
- 54.5
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 93442?
Of the 11,571 people the ACS estimates in 93442, 12.1% are under 18 and 32.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (78.2%), then Hispanic or Latino (13.5%).
- Under 1812.1%
- 18 to 6455.3%
- 65 and older32.6%
- White, not Hispanic78.2%
- Hispanic or Latino13.5%
- Other or two or more5.4%
- Asian, not Hispanic2.6%
- Black, not Hispanic0.4%
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 93442 earn?
Median household income is $95,623 (ACS 2020-2024), the 9th highest of the 16 ranked ZIP codes in San Luis Obispo County. It is not measurably different from 2015-2019 ($86,601 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $95,623
- Income per person
- $63,155
- Below the poverty line
- 8.8%
- Unemployed (of the labor force)
- 7.5%
- Adults 25+ with a bachelor's degree
- 46.8%
- Adjusted gross income per tax return, 2022
- $96,2075,480 returns; wages 45% 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 93442?
FHFA's house price index for 93442, built from repeat sales and appraisals of the same homes, rose 81% from 2015 to 2025 and rose 43% from 2020 to 2025, and moved +5.6% in 2025.
- Median home value (owners' estimate)
- $918,700
- Median gross rent
- $1,855
- Homes owned by their occupants
- 65.9%
- Housing units
- 6,924
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 93442?
392 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services89
- Retail trade65
- Professional, scientific, and technical services41
- Construction40
- Health care and social assistance35
- Real estate and rental and leasing27
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 93442?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 93402 | Los Osos | 14,197 | $109k | 7.6 mi |
| 93422 | Atascadero | 33,002 | $92k | 7.6 mi |
| 93405 | San Luis Obispo | 25,002 | $60k | 7.9 mi |
| 93430 | Cayucos | 3,125 | $90k | 10.0 mi |
| 93453 | Santa Margarita | 2,344 | $78k | 34.6 mi |
| 93408 | San Luis Obispo | 6 | – | 7.2 mi (near) |
| 93409 | San Luis Obispo | 2,952 | – | 7.9 mi (near) |
| 93407 | San Luis Obispo | 347 | – | 9.9 mi (near) |
| 93465 | Templeton | 11,039 | $129k | 10.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Morro Bay?
1 more ZIP code carries the postal name Morro Bay, CA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 93443 | San Luis Obispo County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.