PlainZIP

San Miguel, CA · standard

ZIP Code 93451

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

3,779
3/sq mi
$98,188
Median income
$652,900
Median home value
23.2%
Bachelor's or higher

The verdict

San Miguel pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 20%
household income, US ZIPs
Top 7%
home value, US ZIPs
3
people per sq mi
63%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 93451 against every reporting US ZIP.

ZIP code 93451 is classified by USPS as a standard delivery area and covers roughly 1303.1 square miles in San Miguel, San Luis Obispo County, California. The area is home to 3,779 residents, producing a population density of 3 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 93451 against California and the nation.

On the economic side, the median household income for ZIP 93451 sits at $98,188 (3% below the California average), while per-capita income is $38,692. The poverty rate stands at 19.6% and the unemployment rate at 5.5%. On housing, the median home value is $652,900 (16% below the state average) with median rent at $1,978 per month, and 62.5% of occupied units are owner-occupied, a direct signal of whether 93451 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 23.2% of adults hold a bachelor's degree or higher, the median age is 36.9, and the average commute is —. Use the benchmarks above to see where 93451 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 93451

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 93451.

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 93451, San Miguel, 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

3,779

Population

1303.1

Area (sq mi)

3

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 93451?

36.9

Median Age

53.3%

Male

46.7%

Female

25.4%

Foreign-Born

White 52.1%
African American 2.5%
Asian 0.4%
American Indian or Alaska Native 5.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 12.5%
Hispanic or Latino 56.3%

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?

$98,188

Median Household Income

-3% vs state

$38,692

Per Capita Income

19.6%

Poverty Rate

5.5%

Unemployment Rate

How ZIP 93451 ranks nationally

Household income vs. every US ZIP code

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

$98,188 Top 20% higher than 80% 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%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 50.3%
Bachelor's Degree or Higher 23.2%

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

What does housing look like?

1,771

Total Housing Units

1,663

Occupied Units

108

Vacant Units

3.13

Avg Household Size

Occupancy Type

Owner 62.5%
Renter 37.5%

$652,900

Median Home Value

-16% vs state

$1,978

Median Rent

1996

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

+2.1%

YoY Change (2024)

446

HPI Index (2000 = 100)

+346%

Total Change Since 2000

Home values in ZIP 93451 have increased 2.1% over the past year (2024). Since 2000, this ZIP has seen +346% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.2% 292
2021 +10.3% 322
2022 +14.4% 369
2023 +18.2% 436
2024 +2.1% 446

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 56 business establishments in ZIP 93451, employing approximately 331 people with a combined annual payroll of $20,286,000.

56

Businesses

331

Employees

$20.3M

Annual Payroll

8

Industry Sectors

Industry Establishments % of Total
Manufacturing 9 16.1%
Construction 8 14.3%
Retail trade 6 10.7%
Real estate and rental and leasing 5 8.9%
Professional, scientific, and technical services 5 8.9%
Administrative and support and waste management and remediation services 5 8.9%
Health care and social assistance 5 8.9%
Accommodation and food services 5 8.9%

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 San Miguel, CA California

Frequently Asked Questions

What county is ZIP code 93451 in? ▼
ZIP code 93451 (San Miguel) 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 93451? ▼
ZIP code 93451 in San Miguel, CA has a population of 3,779 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 93451? ▼
The median household income in ZIP 93451 is $98,188, which is 29% above the national average of $76,288.
What is the average home value in ZIP 93451? ▼
The median home value in ZIP 93451 is $652,900, which is 135% above the national average of $278,155.
What is the demographic makeup of ZIP 93451? ▼
The largest racial group in ZIP 93451 is White at 52.1%. Hispanic or Latino residents make up 56.3% of the population.
How many businesses are in ZIP code 93451? ▼
ZIP code 93451 has 56 business establishments employing approximately 331 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 93451? ▼
The top industries by establishment count in ZIP 93451 are: Manufacturing (9), Construction (8), Retail trade (6). There are 8 industry sectors represented in total.
How have home values changed in ZIP code 93451? ▼
According to the FHFA House Price Index, home values in ZIP 93451 increased by 2.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 346%. 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 93451? ▼
In ZIP code 93451, 50.3% of residents aged 25+ have a high school diploma or higher, and 23.2% 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 93451? ▼
In ZIP code 93451, approximately 62.5% of occupied housing units are owner-occupied and 37.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 93451? ▼
The poverty rate in ZIP code 93451 is 19.6% 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 San Miguel, 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.