Residential delivery area · California
ZIP Code 93453: Santa Margarita, CA
ZIP code 93453 uses the postal name Santa Margarita, California and lies entirely in San Luis Obispo County (Census 2020 ZIP-county file). About 2,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $78,288 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Santa Margarita (a census-designated place); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Santa Margarita · its only residential ZIP
- County
- San Luis Obispo County
- Census places
- Santa Margarita census-designated place
- Metro area
- San Luis Obispo-Paso Robles, CA
- House districts
- CA-24 (94%), CA-19 (6%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 691.4 sq mi · 3 people per sq mi
Where is ZIP code 93453?
93453 centers on 35.241°, -120.219° and covers 691.4 square miles of land plus 1.5 of water. It borders 8 ZIP codes: 93420, 93432, 93401, 93461, 93405, 93422, 93254, 93442.
The map draws ZIP code areas only. For the streets inside 93453, 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 93453 compare with the rest of San Luis Obispo County?
| Measure | 93453 | In San Luis Obispo County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 2,344 | 19th of 28 | 1,264th of 1,802 |
| Median household income | $78k | not ranked | not ranked |
| Median home value | $710k | 14th of 21 | 665th of 1,317 |
93453's median household income is not ranked: its 90% margin of error (±$56,495) is more than a quarter of the figure ($78,288). 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 8% 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 93453?
The 2020 Census counted 3,045 people in 93453; the ACS, which samples households over 2020-2024, estimates 2,344. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,344±642 (90% margin)
- 2020 Census count
- 3,045
- Households
- 1,189
- 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 93453?
Of the 2,344 people the ACS estimates in 93453, 10.8% are under 18 and 31.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (87.2%).
- Under 1810.8%
- 18 to 6457.9%
- 65 and older31.4%
- White, not Hispanic87.2%
- Hispanic or Latino9.1%
- Other or two or more3.6%
- Asian, not Hispanic0.1%
- 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 93453 earn?
Median household income is $78,288 (ACS 2020-2024).
- Median household income
- $78,288±$56,495
- Income per person
- $67,034
- Below the poverty line
- 5.5%
- Unemployed (of the labor force)
- 0.8%
- Adults 25+ with a bachelor's degree
- 36.0%
- Adjusted gross income per tax return, 2022
- $96,0321,270 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 93453?
FHFA's house price index for 93453, built from repeat sales and appraisals of the same homes, rose 90% from 2015 to 2025 and rose 49% from 2020 to 2025, and moved −5.1% in 2025.
- Median home value (owners' estimate)
- $710,000
- Median gross rent
- –
- Homes owned by their occupants
- 60.8%
- Housing units
- 1,309
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 93453?
55 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction12
- Retail trade9
- Accommodation and food services7
- Transportation and warehousing4
- Real estate and rental and leasing3
- Other services (except public administration)3
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 93453?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 93420 | Arroyo Grande | 31,345 | $111k | 15.2 mi |
| 93432 | Creston | 1,142 | $147k | 22.1 mi |
| 93401 | San Luis Obispo | 29,202 | $97k | 22.4 mi |
| 93461 | Shandon | 1,548 | $93k | 27.2 mi |
| 93405 | San Luis Obispo | 25,002 | $60k | 29.4 mi |
| 93422 | Atascadero | 33,002 | $92k | 30.7 mi |
| 93254 | New Cuyama | 707 | $61k | 31.1 mi |
| 93442 | Morro Bay | 11,571 | $96k | 34.6 mi |
| 93444 | Nipomo | 21,611 | $111k | 21.4 mi (near) |
| 93454 | Santa Maria | 41,896 | $82k | 22.1 mi (near) |
| 93433 | Grover Beach | 12,600 | $87k | 24.1 mi (near) |
| 93410 | San Luis Obispo | 7,396 | – | 25.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.