93402 ZIP Code — Los Osos, CA
San Luis Obispo County, California
ZIP code 93402 is located in Los Osos, California, within San Luis Obispo County. It covers approximately 27.75 square miles and serves a population of 15,572 residents. This is a po box ZIP code in the Pacific (PT) timezone, served by area code 805.
About ZIP code 93402
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $703,300. Owner-occupancy sits near the national average at 69%.
Median household income is $92,174. 41% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.
Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.
15,572
population
27.75
sq mi land
PO Box
ZIP type
Pacific (PT)
timezone
93402 ZIP code map
Cities in ZIP code 93402
Below are the cities the US Postal Service accepts for ZIP code 93402. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Los Osos | Acceptable |
| Los Osos | Acceptable |
| Los Osos | Preferred |
Nearby ZIP codes
93405 San Luis Obispo (3.6 mi)
93442 Morro Bay (6.8 mi)
93409 San Luis Obispo (7.9 mi)
93407 San Luis Obispo (8.4 mi)
93408 San Luis Obispo (8.4 mi)
93410 San Luis Obispo (8.4 mi)
93401 San Luis Obispo (11.1 mi)
93422 Atascadero (12.9 mi)
93449 Pismo Beach (13.1 mi)
93430 Cayucos (13.8 mi)
93433 Grover Beach (16.4 mi)
93465 Templeton (16.5 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 15,572 |
| Population density | 561 / sq mi |
| State FIPS | 06 |
| County FIPS | 079 |
| Geography | |
|---|---|
| Land area | 27.75 sq mi |
| Water area | 2.91 sq mi |
| Latitude | 35.3026 |
| Longitude | -120.8089 |
| 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 | 27.3% | 31.9% | 32.6% |
| $50k – $100k | 35.6% | 29.7% | 27.7% |
| $100k – $200k | 29.2% | 28.2% | 26.4% |
| Over $200k | 7.9% | 10.2% | 13.3% |
Demographics & statistics
15,572
Population
561
People per sq mi
47.7
Median age
$92,174
Median household income
$44,378
Per capita income
$703,300
Median home value
$1,833
Median monthly rent
68.8%
Home ownership
9.3%
Poverty rate
5.5%
Unemployment
4,695
Housing units
46.4%
Bachelor's or higher
Age distribution
Male
Female
448
Under 5
435
379
5–9
367
349
10–14
338
357
15–19
346
452
20–24
438
892
25–34
865
945
35–44
916
828
45–54
802
464
55–59
449
701
60–64
680
1,283
65–74
1,243
625
75–84
606
185
85+
180
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 2,773 | 17.8% |
| 18 and over | 12,799 | 82.2% |
| 65 and over | 4,122 | 26.5% |
| Median age | 47.7 years | |
Race & ethnicity
White
73.5%
Hispanic or Latino
9.9%
Two or more races
8.2%
Asian
3.8%
Other race
3.5%
Black or African American
0.6%
American Indian / Alaska Native
0.4%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 12,699 | 73.5% |
| Hispanic or Latino | 1,712 | 9.9% |
| Two or more races | 1,410 | 8.2% |
| Asian | 664 | 3.8% |
| Other race | 602 | 3.5% |
| Black or African American | 96 | 0.6% |
| American Indian / Alaska Native | 77 | 0.4% |
| Native Hawaiian / Pacific Islander | 24 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 27.3% | 31.9% | 32.6% |
| $50k – $100k | 35.6% | 29.7% | 27.7% |
| $100k – $200k | 29.2% | 28.2% | 26.4% |
| Over $200k | 7.9% | 10.2% | 13.3% |
Under $10k
2.0%
$10k–$15k
2.9%
$15k–$25k
6.5%
$25k–$35k
4.0%
$35k–$50k
8.1%
$50k–$75k
15.6%
$75k–$100k
13.5%
$100k–$150k
24.9%
$150k–$200k
11.9%
$200k+
10.7%
| Range | % of households |
|---|---|
| Under $10k | 2.0% |
| $10k–$15k | 2.9% |
| $15k–$25k | 6.5% |
| $25k–$35k | 4.0% |
| $35k–$50k | 8.1% |
| $50k–$75k | 15.6% |
| $75k–$100k | 13.5% |
| $100k–$150k | 24.9% |
| $150k–$200k | 11.9% |
| $200k+ | 10.7% |
| Median income | $92,174 |
Housing
Home values
Under $50k
1.7%
$50k–$100k
1.1%
$100k–$150k
0.2%
$150k–$200k
0.8%
$200k–$300k
3.2%
$300k–$500k
11.0%
$500k–$1M
69.4%
$1M+
12.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $703,300 |
| Median rent / month | $1,833 |
| Owner occupied | 68.8% |
| Renter occupied | 31.2% |
| Vacant | 4.4% |
| Single-family detached | 77.3% |
| Large apartment buildings | 0.9% |
| Mobile homes | 7.7% |
| Median rooms | 5.1 |
| Avg household size (owned) | 2.42 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.3% |
| 2010–2019 | 1.1% |
| 2000–2009 | 3.1% |
| 1990–1999 | 6.1% |
| 1980–1989 | 23.6% |
| 1970–1979 | 47.8% |
| 1960–1969 | 8.6% |
| 1950–1959 | 6.2% |
| 1940–1949 | 1.8% |
| 1939 or earlier | 1.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.9% |
| 1 bedroom | 7.4% |
| 2 bedrooms | 39.2% |
| 3 bedrooms | 39.6% |
| 4 bedrooms | 11.0% |
| 5+ bedrooms | 1.9% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.0% |
| 1 vehicle | 33.0% |
| 2 vehicles | 37.6% |
| 3 or more | 27.4% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 82.3% |
| Electricity | 14.4% |
| Propane / LP gas | 1.5% |
| Wood | 0.9% |
| Solar | 0.5% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,422 | 53.5% |
| Cohabiting couple | 408 | 6.4% |
| Male householder, no spouse | 1,238 | 19.4% |
| Female householder, no spouse | 1,326 | 20.7% |
| Households with children under 18 | 1,444 | 22.6% |
| Households with seniors (65+) | 2,878 | 45.0% |
| Average household size | 2.41 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 33.1% | 25.6% |
| Married | 53.9% | 54.0% |
| Separated | 1.3% | 0.7% |
| Widowed | 3.0% | 6.8% |
| Divorced | 8.7% | 12.8% |
Education
Less than 9th grade
1.8%
Some HS, no diploma
4.3%
HS graduate
13.5%
Some college, no degree
22.9%
Associate's degree
11.2%
Bachelor's degree
28.7%
Graduate / professional
17.7%
| Metric | % |
|---|---|
| HS diploma or higher | 93.9% |
| Bachelor's or higher | 46.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 198 | 6.4% |
| Kindergarten | 104 | 3.3% |
| Elementary school | 1,098 | 35.2% |
| High school | 593 | 19.0% |
| College / grad school | 1,124 | 36.1% |
Employment
Industry of employment
Education & healthcare
21.6%
Arts, food & hospitality
13.1%
Construction
12.7%
Retail trade
10.6%
Other services
8.9%
Professional & management
8.3%
Public administration
7.8%
Manufacturing
5.5%
Transportation & utilities
4.2%
Finance & real estate
4.2%
Agriculture & mining
1.8%
Information
0.7%
Wholesale trade
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 43.5% |
| Service | 23.8% |
| Sales & office | 16.1% |
| Natural resources & construction | 8.5% |
| Production & transportation | 8.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 62.6% |
| Government | 22.7% |
| Self-employed | 14.3% |
| Unpaid family workers | 0.4% |
Commute
| Method | % |
|---|---|
| Drive alone | 69.7% |
| Carpool | 9.3% |
| Public transit | 0.2% |
| Walk | 4.0% |
| Work from home | 14.0% |
| Other means | 2.8% |
| Avg commute (minutes) | 21.3 |
Poverty
All people
9.3%
Under 18 years
9.1%
18 and over
9.4%
Married-couple families
4.7%
Female-led households
10.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 41.3% |
| Retirement income | 36.3% |
| Supplemental Security | 4.6% |
| Cash public assistance | 2.5% |
| Food stamps / SNAP | 6.9% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 26.7% |
| High blood pressure | 30.3% |
| High cholesterol | 33.8% |
| Diabetes | 9.5% |
| Heart disease | 6.5% |
| Stroke | 3.0% |
| Asthma | 9.6% |
| Arthritis | 24.4% |
| Kidney disease | 3.0% |
| Pulmonary disease | 6.6% |
| Cancer | 7.8% |
| Behavior / access | % |
|---|---|
| Smoking | 11.0% |
| Binge drinking | 17.5% |
| No physical activity | 17.7% |
| Less than 7 hrs sleep | 29.5% |
| Depression | 18.2% |
| Fair or poor health | 12.8% |
| Poor mental health | 13.5% |
| Poor physical health | 10.0% |
| No health insurance | 8.8% |
| Visited doctor (checkup) | 69.9% |
| Visited dentist | 71.3% |
| Cholesterol screening | 92.6% |
| Teeth loss | 8.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,105 | 8.6% |
| Disability | % |
|---|---|
| Any disability | 14.4% |
| Under 18 | 3.2% |
| 18–64 years | 13.1% |
| 65 and over | 25.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 71.4% |
| Public insurance | 42.8% |
| No insurance | 7.2% |
| Uninsured under 19 | 1.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 14,689 | 94.3% |
| Spanish | 645 | 4.4% |
| Other Indo-European | 329 | 2.2% |
| Asian & Pacific Islander | 29 | 0.2% |
| Other languages | 287 | 2.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 14,297 | 91.8% |
| Born in same state | 14,058 | 90.3% |
| Born in different state | 10,421 | 66.9% |
| Foreign born | 239 | 1.5% |
| Naturalized citizen | 1,275 | 8.2% |
| Not a US citizen | 732 | 57.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 3,125 | 20.1% |
| French | 2,513 | 16.1% |
| Arab | 652 | 4.2% |
| Polish | 273 | 1.8% |
| English | 195 | 1.3% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 58 | 0.4% |
| German | 47 | 0.3% |
| Norwegian | 37 | 0.2% |
| Irish | 8 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.1% |
| Internet access | 95.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 93402
What city is ZIP code 93402 in?
ZIP code 93402 is primarily assigned to Los Osos, California.
What county is ZIP code 93402 in?
ZIP code 93402 falls within San Luis Obispo County, California.
Does ZIP code 93402 have an older population?
27% of residents in ZIP code 93402 are 65 or older, above the national average of ~17%.
Does ZIP code 93402 have a large retiree population?
41% of households in ZIP code 93402 receive Social Security income, suggesting a significant retiree or disability population.
How educated is the population of ZIP code 93402?
46% 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 93402?
The median home value in ZIP code 93402 is $703,300.
What timezone is ZIP code 93402 in?
ZIP code 93402 observes the PST timezone.