San Miguel ZIP Code List — San Luis Obispo County, CA

There is one unique ZIP code in San Miguel, California and it is 93451. Area code: 805/820.

ZIP codes

447.22

sq mi land

0.18

sq mi water

805/820

area code

San Miguel, CA ZIP code map

About San Miguel, CA

San Miguel, California, is a small yet vibrant community located in the heart of San Luis Obispo County. Known for its rich agricultural heritage and picturesque landscapes, this charming town attracts visitors seeking a peaceful retreat. The blend of rural charm and community spirit makes San Miguel a unique and welcoming place to live and visit.

Location & geography

San Miguel is positioned in Central California, approximately 10 miles southeast of the city of Paso Robles and around 30 miles north of San Luis Obispo. The town is surrounded by rolling hills and vineyards, with a land area of 447.22 square miles and a water area of 0.18 square miles. This diverse terrain supports a variety of recreational opportunities and a rich ecosystem.

Community & economy

The community of San Miguel is characterized by its friendly atmosphere and strong sense of local pride. Agriculture plays a significant role in the economy, with many residents engaged in farming, wine production, and related industries. Daily life in San Miguel revolves around community events, local markets, and the beautiful outdoor scenery, all of which foster a close-knit environment.

Transportation

San Miguel is conveniently located along California Highway 101, providing easy access for residents and visitors traveling to neighboring cities. The nearest major airport is San Luis Obispo County Regional Airport, located about 30 miles to the south, offering both domestic and some international flights. Public transportation options are limited, making personal vehicles the primary mode of transit in the area.

History

San Miguel was established in the mid-1800s, primarily as a farming community that served the needs of travelers along the El Camino Real. Key industries have historically included agriculture and viticulture, contributing to the town's economic growth. Notable events in the area include the establishment of local wineries that have gained recognition in California's renowned wine country.

Did you know?

One surprising fact about San Miguel is that it is home to the historical San Miguel Mission, founded in 1797, which is one of California's original 21 missions. Additionally, the town has beautiful landscapes that often attract outdoor enthusiasts and wine lovers alike.

ZIP codes for San Miguel, CA (1)

ZIP code	City	County	Map
93451	San Miguel	San Luis Obispo	View map

Demographics & statistics

4,751

Population

37.1

Median age

$77,500

Median household income

$31,930

Per capita income

$487,100

Median home value

$1,813

Median monthly rent

62.1%

Home ownership

19.9%

Poverty rate

5.7%

Unemployment

1,071

Housing units

23.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

228

5–9

172

242

10–14

181

144

15–19

108

270

20–24

202

337

25–34

254

373

35–44

281

259

45–54

195

210

55–59

158

214

60–64

160

248

65–74

186

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,086	22.9%
18 and over	3,665	77.1%
65 and over	627	13.2%
Median age	37.1 years

Race & ethnicity

White 56.7%

Hispanic or Latino 16.8%

Other race 11%

American Indian / Alaska Native 7.2%

Two or more races 6.6%

Black or African American 0.9%

Asian 0.8%

Group	Count	%
White	3,236	56.7%
Hispanic or Latino	961	16.8%
Other race	627	11%
American Indian / Alaska Native	413	7.2%
Two or more races	375	6.6%
Black or African American	53	0.9%
Asian	47	0.8%

Household income

Under $10k 8.7%

$10k–$15k 0.8%

$15k–$25k 2.5%

$25k–$35k 5.5%

$35k–$50k 10.8%

$50k–$75k 20.6%

$75k–$100k 13.2%

$100k–$150k 23.3%

$150k–$200k 6.9%

$200k+ 7.7%

Range	% of households
Under $10k	8.7%
$10k–$15k	0.8%
$15k–$25k	2.5%
$25k–$35k	5.5%
$35k–$50k	10.8%
$50k–$75k	20.6%
$75k–$100k	13.2%
$100k–$150k	23.3%
$150k–$200k	6.9%
$200k+	7.7%
Median income	$77,500

Housing

Home values

Under $50k 3.4%

$50k–$100k 1.6%

$100k–$150k 2.5%

$150k–$200k 0.6%

$200k–$300k 7.6%

$300k–$500k 37.1%

$500k–$1M 33.8%

$1M+ 13.4%

Housing overview

Metric	Value
Median home value	$487,100
Median rent / month	$1,813
Owner occupied	62.1%
Renter occupied	37.9%
Vacant	6.6%
Single-family detached	83.0%
Large apartment buildings	0.1%
Mobile homes	6.6%
Median rooms	5.2
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.3%
2010–2019	13.1%
2000–2009	32.2%
1990–1999	15.7%
1980–1989	12.7%
1970–1979	5.7%
1960–1969	2.5%
1950–1959	7.1%
1940–1949	2.2%
1939 or earlier	8.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	5.9%
2 bedrooms	31.6%
3 bedrooms	48.6%
4 bedrooms	11.1%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	16.1%
2 vehicles	38.0%
3 or more	43.7%

Heating fuel

Fuel type	%
Utility gas	23.1%
Electricity	31.7%
Propane / LP gas	27.0%
Wood	9.0%
Solar	4.0%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	966	62.3%
Cohabiting couple	126	8.1%
Male householder, no spouse	216	13.9%
Female householder, no spouse	242	15.6%
Households with children under 18	451	29.1%
Households with seniors (65+)	448	28.9%
Average household size	3.05

Marital status

Status	Male	Female
Never married	35.1%	27.6%
Married	58.3%	54.3%
Separated	0.0%	0.0%
Widowed	2.1%	8.3%
Divorced	4.6%	9.8%

Education

Less than 9th grade 12.5%

Some HS, no diploma 7.6%

HS graduate 25.3%

Some college, no degree 21.6%

Associate's degree 9.1%

Bachelor's degree 18.7%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	79.8%
Bachelor's or higher	23.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	34	2.4%
Kindergarten	67	4.8%
Elementary school	613	43.8%
High school	322	23.0%
College / grad school	363	25.9%

Employment

Industry of employment

Agriculture & mining 16.4%

Education & healthcare 13.5%

Professional & management 12.1%

Arts, food & hospitality 10.0%

Manufacturing 9.6%

Retail trade 9.0%

Construction 7.3%

Transportation & utilities 6.2%

Information 4.2%

Other services 3.4%

Wholesale trade 3.3%

Public administration 3.2%

Finance & real estate 1.8%

Occupation

Category	%
Management, business & arts	22.7%
Service	25.1%
Sales & office	17.0%
Natural resources & construction	25.7%
Production & transportation	9.5%

Employment type

Type	%
Private sector	73.3%
Government	15.3%
Self-employed	11.1%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	69.5%
Carpool	19.6%
Public transit	0.0%
Walk	1.8%
Other means	0.0%
Avg commute (minutes)	26.1

Poverty

All people 19.9%

Under 18 years 33.8%

18 and over 15.8%

Married-couple families 12.8%

Female-led households 34.4%

Income support

Source	% of households
Social Security	31.3%
Retirement income	20.2%
Supplemental Security	8.3%
Cash public assistance	1.2%
Food stamps / SNAP	4.6%

Health indicators

Condition	%
High blood pressure	26.7%
High cholesterol	29.5%
Heart disease	5.5%
Stroke	2.6%
Asthma	10.1%
Arthritis	20.3%
Kidney disease	2.6%
Pulmonary disease	6.2%
Cancer	5.5%

Behavior / access	%
Binge drinking	20.1%
No physical activity	20.5%
Less than 7 hrs sleep	32.0%
Fair or poor health	14.8%
Poor mental health	15.6%
Poor physical health	10.5%
No health insurance	13.8%
Visited doctor (checkup)	66.0%
Visited dentist	65.2%
Cholesterol screening	89.8%
Teeth loss	11.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	195	5.3%

Disability	%
Any disability	12.2%
Under 18	4.8%
18–64 years	10.8%
65 and over	31.6%

Health insurance coverage

Type	%
Private insurance	55.3%
Public insurance	43.6%
Uninsured under 19	7.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,615	97.1%
Spanish	981	21.3%
Other Indo-European	870	18.9%
Asian & Pacific Islander	3	0.1%
Other languages	30	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,347	70.4%
Born in same state	3,347	70.4%
Born in different state	2,725	57.4%
Foreign born	0	0.0%
Naturalized citizen	1,404	29.6%
Not a US citizen	316	22.5%

Ancestry

Ancestry	Count	%
French	454	9.6%
Italian	272	5.7%
Arab	106	2.2%
English	92	1.9%
Norwegian	84	1.8%

Ancestry	Count	%
Dutch	21	0.4%
Polish	16	0.3%
German	8	0.2%
Irish	5	0.1%

Technology access

Metric	% of households
Computer access	32.6%
Internet access	98.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for San Miguel, CA?

San Miguel, CA has one ZIP code: 93451.

What is the main ZIP code for San Miguel, CA?

The primary ZIP code for San Miguel, CA is 93451. The city uses area code 805 or 820 for phone service.

What county is San Miguel, CA in?

San Miguel is located in San Luis Obispo County, California.

How many ZIP codes are in San Miguel, CA?

San Miguel, CA has 1 ZIP code.

What is the ZIP code for San Miguel's downtown area and historic mission district?

San Miguel's downtown area, including the historic San Miguel Mission and surrounding historic district, is located in ZIP code 93451, which serves as the primary ZIP code for the entire city.

What ZIP code should I use when mailing to businesses along San Miguel's main commercial corridor on Mission Street?

Businesses along Mission Street and San Miguel's main commercial areas use ZIP code 93451, which covers all of San Miguel's commercial and residential zones in San Luis Obispo County.