93401 ZIP Code — San Luis Obispo, CA
San Luis Obispo County, California
ZIP code 93401 is located in San Luis Obispo, California, within San Luis Obispo County. It covers approximately 64.17 square miles and serves a population of 28,773 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 805.
About ZIP code 93401
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $880,900. Owner-occupancy sits near the national average at 47%.
The gap between median ($89,962) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 16 minutes is near the national average.
Educational attainment is high — 55% of residents hold a bachelor's degree or higher, well above the national average of 33%.
28,773
population
64.17
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
93401 ZIP code map
Cities in ZIP code 93401
Below are the cities the US Postal Service accepts for ZIP code 93401. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| San Luis Obispo | Acceptable |
| San Luis Obispo | Preferred |
Nearby ZIP codes
93410 San Luis Obispo (2.9 mi)
93408 San Luis Obispo (3 mi)
93409 San Luis Obispo (3.5 mi)
93407 San Luis Obispo (4 mi)
93449 Pismo Beach (7.1 mi)
93405 San Luis Obispo (7.9 mi)
93433 Grover Beach (9.2 mi)
93445 Oceano (10.1 mi)
93402 Los Osos (11.1 mi)
93442 Morro Bay (13.6 mi)
93422 Atascadero (14.5 mi)
93420 Arroyo Grande (15.9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 28,773 |
| Population density | 448 / sq mi |
| State FIPS | 06 |
| County FIPS | 079 |
| Geography | |
|---|---|
| Land area | 64.17 sq mi |
| Water area | 0.02 sq mi |
| Latitude | 35.2542 |
| Longitude | -120.6207 |
| Timezone | Pacific (PT) |
| Area code | 805 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 34.6% | 31.9% | 32.6% |
| $50k – $100k | 26.0% | 29.7% | 27.7% |
| $100k – $200k | 24.5% | 28.2% | 26.4% |
| Over $200k | 15.0% | 10.2% | 13.3% |
Demographics & statistics
28,773
Population
448
People per sq mi
35.5
Median age
$89,962
Median household income
$56,704
Per capita income
$880,900
Median home value
$1,781
Median monthly rent
46.8%
Home ownership
14.8%
Poverty rate
3.5%
Unemployment
6,933
Housing units
54.8%
Bachelor's or higher
Age distribution
Male
Female
576
Under 5
582
613
5–9
619
608
10–14
615
857
15–19
865
2,141
20–24
2,163
2,270
25–34
2,293
1,635
35–44
1,652
1,323
45–54
1,336
717
55–59
725
976
60–64
986
1,519
65–74
1,534
750
75–84
758
328
85+
332
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 4,312 | 15.0% |
| 18 and over | 24,461 | 85.0% |
| 65 and over | 5,221 | 18.1% |
| Median age | 35.5 years | |
Race & ethnicity
White
73.1%
Two or more races
9.1%
Hispanic or Latino
8.9%
Asian
3.9%
Other race
2.8%
Black or African American
1.8%
American Indian / Alaska Native
0.3%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 23,100 | 73.1% |
| Two or more races | 2,875 | 9.1% |
| Hispanic or Latino | 2,815 | 8.9% |
| Asian | 1,221 | 3.9% |
| Other race | 884 | 2.8% |
| Black or African American | 582 | 1.8% |
| American Indian / Alaska Native | 90 | 0.3% |
| Native Hawaiian / Pacific Islander | 21 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 34.6% | 31.9% | 32.6% |
| $50k – $100k | 26.0% | 29.7% | 27.7% |
| $100k – $200k | 24.5% | 28.2% | 26.4% |
| Over $200k | 15.0% | 10.2% | 13.3% |
Under $10k
4.3%
$10k–$15k
4.4%
$15k–$25k
6.3%
$25k–$35k
6.4%
$35k–$50k
9.8%
$50k–$75k
12.5%
$75k–$100k
10.8%
$100k–$150k
19.6%
$150k–$200k
8.1%
$200k+
17.9%
| Range | % of households |
|---|---|
| Under $10k | 4.3% |
| $10k–$15k | 4.4% |
| $15k–$25k | 6.3% |
| $25k–$35k | 6.4% |
| $35k–$50k | 9.8% |
| $50k–$75k | 12.5% |
| $75k–$100k | 10.8% |
| $100k–$150k | 19.6% |
| $150k–$200k | 8.1% |
| $200k+ | 17.9% |
| Median income | $89,962 |
Housing
Home values
Under $50k
1.3%
$50k–$100k
1.8%
$100k–$150k
1.6%
$150k–$200k
2.6%
$200k–$300k
3.0%
$300k–$500k
5.3%
$500k–$1M
49.5%
$1M+
34.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $880,900 |
| Median rent / month | $1,781 |
| Owner occupied | 46.8% |
| Renter occupied | 53.2% |
| Vacant | 6.9% |
| Single-family detached | 49.7% |
| Large apartment buildings | 8.1% |
| Mobile homes | 6.9% |
| Median rooms | 4.7 |
| Avg household size (owned) | 2.42 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.2% |
| 2010–2019 | 7.6% |
| 2000–2009 | 9.5% |
| 1990–1999 | 10.3% |
| 1980–1989 | 17.2% |
| 1970–1979 | 17.4% |
| 1960–1969 | 10.5% |
| 1950–1959 | 7.1% |
| 1940–1949 | 5.4% |
| 1939 or earlier | 13.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 8.3% |
| 1 bedroom | 14.9% |
| 2 bedrooms | 31.2% |
| 3 bedrooms | 31.0% |
| 4 bedrooms | 12.7% |
| 5+ bedrooms | 2.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.3% |
| 1 vehicle | 33.8% |
| 2 vehicles | 37.0% |
| 3 or more | 22.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 66.5% |
| Electricity | 25.6% |
| Propane / LP gas | 3.3% |
| Wood | 1.2% |
| Solar | 0.8% |
| No fuel used | 2.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,103 | 39.9% |
| Cohabiting couple | 1,063 | 8.3% |
| Male householder, no spouse | 2,844 | 22.2% |
| Female householder, no spouse | 3,784 | 29.6% |
| Households with children under 18 | 2,280 | 17.8% |
| Households with seniors (65+) | 3,708 | 29.0% |
| Average household size | 2.20 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 45.4% | 38.8% |
| Married | 44.2% | 40.2% |
| Separated | 0.4% | 1.0% |
| Widowed | 1.9% | 6.4% |
| Divorced | 8.1% | 13.5% |
Education
Less than 9th grade
1.7%
Some HS, no diploma
2.2%
HS graduate
12.6%
Some college, no degree
20.9%
Associate's degree
7.7%
Bachelor's degree
32.6%
Graduate / professional
22.2%
| Metric | % |
|---|---|
| HS diploma or higher | 96.1% |
| Bachelor's or higher | 54.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 534 | 6.7% |
| Kindergarten | 256 | 3.2% |
| Elementary school | 1,881 | 23.4% |
| High school | 896 | 11.2% |
| College / grad school | 4,459 | 55.6% |
Employment
Industry of employment
Education & healthcare
26.0%
Professional & management
18.6%
Arts, food & hospitality
11.7%
Retail trade
9.9%
Manufacturing
6.5%
Public administration
6.4%
Construction
4.6%
Other services
4.1%
Finance & real estate
3.7%
Transportation & utilities
3.1%
Agriculture & mining
2.3%
Information
1.7%
Wholesale trade
1.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 53.3% |
| Service | 17.4% |
| Sales & office | 16.5% |
| Natural resources & construction | 5.4% |
| Production & transportation | 7.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 71.4% |
| Government | 20.6% |
| Self-employed | 7.9% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 64.0% |
| Carpool | 5.6% |
| Public transit | 1.2% |
| Walk | 6.8% |
| Work from home | 17.2% |
| Other means | 5.3% |
| Avg commute (minutes) | 16.3 |
Poverty
All people
14.8%
Under 18 years
7.7%
18 and over
16.1%
Married-couple families
2.2%
Female-led households
12.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 29.4% |
| Retirement income | 23.5% |
| Supplemental Security | 4.2% |
| Cash public assistance | 1.5% |
| Food stamps / SNAP | 4.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 25.3% |
| High blood pressure | 24.4% |
| High cholesterol | 27.8% |
| Diabetes | 7.4% |
| Heart disease | 5.1% |
| Stroke | 2.4% |
| Asthma | 9.9% |
| Arthritis | 18.9% |
| Kidney disease | 2.5% |
| Pulmonary disease | 5.3% |
| Cancer | 5.9% |
| Behavior / access | % |
|---|---|
| Smoking | 10.2% |
| Binge drinking | 20.6% |
| No physical activity | 16.0% |
| Less than 7 hrs sleep | 29.2% |
| Depression | 19.2% |
| Fair or poor health | 11.2% |
| Poor mental health | 15.0% |
| Poor physical health | 8.6% |
| No health insurance | 8.8% |
| Visited doctor (checkup) | 66.5% |
| Visited dentist | 70.5% |
| Cholesterol screening | 88.7% |
| Teeth loss | 9.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,108 | 4.5% |
| Disability | % |
|---|---|
| Any disability | 10.7% |
| Under 18 | 3.4% |
| 18–64 years | 6.9% |
| 65 and over | 31.4% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 77.3% |
| Public insurance | 29.2% |
| No insurance | 5.8% |
| Uninsured under 19 | 0.6% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 27,615 | 96.0% |
| Spanish | 1,007 | 3.6% |
| Other Indo-European | 704 | 2.5% |
| Asian & Pacific Islander | 91 | 0.3% |
| Other languages | 212 | 0.8% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 26,246 | 91.2% |
| Born in same state | 26,011 | 90.4% |
| Born in different state | 19,587 | 68.1% |
| Foreign born | 235 | 0.8% |
| Naturalized citizen | 2,527 | 8.8% |
| Not a US citizen | 1,388 | 54.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 3,952 | 13.7% |
| Italian | 3,769 | 13.1% |
| Polish | 767 | 2.7% |
| English | 598 | 2.1% |
| Arab | 526 | 1.8% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 189 | 0.7% |
| Irish | 135 | 0.5% |
| German | 78 | 0.3% |
| Norwegian | 2 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 44.5% |
| Internet access | 95.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 93401
What city is ZIP code 93401 in?
ZIP code 93401 is primarily assigned to San Luis Obispo, California.
What county is ZIP code 93401 in?
ZIP code 93401 falls within San Luis Obispo County, California.
How educated is the population of ZIP code 93401?
55% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 93401?
The median home value in ZIP code 93401 is $880,900.
What is the population of ZIP code 93401?
ZIP code 93401 has an estimated population of 28,773 residents, with a density of 448 people per square mile.
What is the median household income in ZIP code 93401?
The median household income in ZIP code 93401 is $89,962, above the national median of ~$75,000.
What timezone is ZIP code 93401 in?
ZIP code 93401 observes the PST timezone.