PlainZIP

Santa Margarita, CA · standard

ZIP Code 93453

San Luis Obispo County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

2,899
2/sq mi
$78,288
Median income
$710,000
Median home value
36.0%
Bachelor's or higher

The verdict

Santa Margarita pairs an above-median household income with top-decile home values, in a rural, homeowner-dominated area.

Top 40%
household income, US ZIPs
Top 6%
home value, US ZIPs
2
people per sq mi
61%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 93453 against every reporting US ZIP.

ZIP code 93453 is classified by USPS as a standard delivery area and covers roughly 1610.6 square miles in Santa Margarita, San Luis Obispo County, California. The area is home to 2,899 residents, producing a population density of 2 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 93453 against California and the nation.

On the economic side, the median household income for ZIP 93453 sits at $78,288 (23% below the California average), while per-capita income is $67,034. The poverty rate stands at 5.5% and the unemployment rate at 0.8%. On housing, the median home value is $710,000 (8% below the state average) with median rent at - per month, and 60.8% of occupied units are owner-occupied, a direct signal of whether 93453 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 36.0% of adults hold a bachelor's degree or higher, the median age is 54.5, and the average commute is —. Use the benchmarks above to see where 93453 sits relative to California and the national baseline rather than viewing the numbers in isolation. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 93453

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 93453.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 93453, Santa Margarita, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

2,899

Population

1610.6

Area (sq mi)

2

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 93453?

54.5

Median Age

41.7%

Male

58.3%

Female

3.2%

Foreign-Born

White 87.4%
African American 0.0%
Asian 0.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.8%
Hispanic or Latino 9.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$78,288

Median Household Income

-23% vs state

$67,034

Per Capita Income

5.5%

Poverty Rate

0.8%

Unemployment Rate

How ZIP 93453 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$78,288 Top 40% higher than 60% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.2%
Bachelor's Degree or Higher 36.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,309

Total Housing Units

1,189

Occupied Units

120

Vacant Units

1.96

Avg Household Size

Occupancy Type

Owner 60.8%
Renter 39.2%

$710,000

Median Home Value

-8% vs state

1984

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+15.3%

YoY Change (2024)

379

HPI Index (2000 = 100)

+279%

Total Change Since 2000

Home values in ZIP 93453 have increased 15.3% over the past year (2024). Since 2000, this ZIP has seen +279% cumulative appreciation.

Year Annual Change HPI Index
2019 +3.5% 243
2020 +1.7% 247
2021 +12.1% 277
2022 +15.3% 319
2024 — 379

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 55 business establishments in ZIP 93453, employing approximately 291 people with a combined annual payroll of $18,856,000.

55

Businesses

291

Employees

$18.9M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Construction 12 21.8%
Retail trade 9 16.4%
Accommodation and food services 7 12.7%
Transportation and warehousing 4 7.3%
Real estate and rental and leasing 3 5.5%
Other services (except public administration) 3 5.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

More ZIP Codes in San Luis Obispo County

93446 standard
Paso Robles, CA
Pop: 43,714
93405 standard
San Luis Obispo, CA
Pop: 35,440
93422 standard
Atascadero, CA
Pop: 31,375
93420 standard
Arroyo Grande, CA
Pop: 28,413
93401 standard
San Luis Obispo, CA
Pop: 28,033
93444 standard
Nipomo, CA
Pop: 19,244

Related Areas

San Luis Obispo County Santa Margarita, CA California

Frequently Asked Questions

What county is ZIP code 93453 in? ▼
ZIP code 93453 (Santa Margarita) is located in San Luis Obispo County, California. San Luis Obispo County contains multiple ZIP codes, see the full list at /counties/san-luis-obispo-ca.
What is the population of ZIP code 93453? ▼
ZIP code 93453 in Santa Margarita, CA has a population of 2,899 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 93453? ▼
The median household income in ZIP 93453 is $78,288, which is 3% above the national average of $76,288.
What is the average home value in ZIP 93453? ▼
The median home value in ZIP 93453 is $710,000, which is 155% above the national average of $278,155.
What is the demographic makeup of ZIP 93453? ▼
The largest racial group in ZIP 93453 is White at 87.4%. Hispanic or Latino residents make up 9.1% of the population.
How many businesses are in ZIP code 93453? ▼
ZIP code 93453 has 55 business establishments employing approximately 291 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 93453? ▼
The top industries by establishment count in ZIP 93453 are: Construction (12), Retail trade (9), Accommodation and food services (7). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 93453? ▼
According to the FHFA House Price Index, home values in ZIP 93453 increased by 15.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 279%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 93453? ▼
In ZIP code 93453, 63.2% of residents aged 25+ have a high school diploma or higher, and 36.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 93453? ▼
In ZIP code 93453, approximately 60.8% of occupied housing units are owner-occupied and 39.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 93453? ▼
The poverty rate in ZIP code 93453 is 5.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Santa Margarita, CA

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Read our methodology to see how this data is sourced, computed, and verified.