Postal Codes

93405 ZIP Code

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ZIP code 93405 covers San Luis Obispo, California, with a population of about 23,856 and a median household income of $52,481.

Population
23,856266 per square mile
Median age
22.716 points below the US average
Median household income
$52,48146% below the California median
Poverty rate
44.5%32.1 points above the US average
Typical home value
$1,100,384up 28.5% in five years
Median rent
$1,936about the California median
Degree or higher
52%17 points above the US average
Homeownership
32.7%32.3 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
465

Where 93405 is

San Luis Obispo, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,856
Median age22.7
Family households33.5%
Born outside the US6.3%
Speaks a language other than English at home15.8%
White (non-Hispanic)72.3%
Black (non-Hispanic)1%
Asian (non-Hispanic)5.9%
Hispanic or Latino14.8%
Veterans2.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$52,481
Income per person$32,512
Poverty rate44.5%
Households on SNAP or cash assistance7.1%

Household income distribution

Under $10k14.0%
$10–15k5.3%
$15–20k5.8%
$20–25k5.4%
$25–30k3.1%
$30–35k4.7%
$35–40k4.8%
$40–45k1.4%
$45–50k4.0%
$50–60k6.2%
$60–75k7.6%
$75–100k8.2%
$100–125k5.7%
$125–150k3.7%
$150–200k6.1%
$200k or more13.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed7,880
Mean adjusted gross income$105,338
Returns declaring $200,000 or more12.4%
Returns, under $25k28.6%
Returns, $25k–$50k18.9%
Returns, $50k–$75k12.4%
Returns, $75k–$100k9.0%
Returns, $100k–$200k18.7%
Returns, $200k or more12.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$897,800
Median gross rent$1,936
Rent as a share of household income51%
Owner-occupied32.7%
Vacant homes11.7%
Median year built1976

What the homes are

Detached house46.2%
Attached house7.3%
2 to 4 units13.8%
5 to 19 units15%
20 or more units14.4%
Mobile home3.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$1,100,384as of 2026-07
Typical home value, 1 yearup 2.5%
Typical home value, 5 yearsup 28.5%
Typical home value, 10 yearsup 73.9%
Typical asking rent$3,361as of 2026-07
Typical asking rent, 1 yearup 4.7%
Typical home value since 2000
200020132026$1,100,384$265,847

$265,847 in 2000 to $1,100,384 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.9%
Bachelor's degree or higher52%
High school diploma or higher95.4%
Works from home12.8%
Drives to work alone64.5%
Takes public transport1.3%
Commutes 45 minutes or more2.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity26.6% 6.8 pts below the national average of 33.4%
Diagnosed diabetes7.9% 4.1 pts below the national average of 12%
Currently smokes11.9% 1.3 pts below the national average of 13.2%
High blood pressure25.8% 8.3 pts below the national average of 34.1%
Fair or poor general health22.1% 1.8 pts above the national average of 20.3%
No health insurance (18–64)8.3% 3 pts below the national average of 11.3%
Depression28.1% 6.2 pts above the national average of 21.9%
No leisure-time physical activity22.3% 3.1 pts below the national average of 25.4%
Arthritis17.7% 7.4 pts below the national average of 25.1%
Binge drinking17.7% 1.7 pts above the national average of 16%
Taking blood pressure medication62% 12.7 pts below the national average of 74.7%
Cancer (non-skin)5.7% 2 pts below the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease5.2% 1 pts below the national average of 6.2%
Routine check-up in past year67% 9.7 pts below the national average of 76.7%
Cholesterol screening73.4% 12.5 pts below the national average of 85.9%
Cognitive disability21.4% 6.6 pts above the national average of 14.8%
Colorectal screening61.2% 3.1 pts below the national average of 64.3%
COPD6% 0.6 pts below the national average of 6.6%
Visited a dentist56.2% 5.1 pts below the national average of 61.3%
Any disability34.8% 4.1 pts above the national average of 30.7%
Lacks emotional support25.7% 0.9 pts above the national average of 24.8%
Food insecurity22.3% 5.2 pts above the national average of 17.1%
Received food stamps23.7% 9.4 pts above the national average of 14.3%
Hearing disability6.2% 0.5 pts below the national average of 6.7%
High cholesterol27.5% 8.7 pts below the national average of 36.2%
Housing insecurity15.1% 1.3 pts above the national average of 13.8%
Independent living disability12.2% 3.8 pts above the national average of 8.4%
Lacks transport14.5% 5.3 pts above the national average of 9.2%
Loneliness39.7% 5.3 pts above the national average of 34.4%
Mammography use73.4% 2.5 pts below the national average of 75.9%
Poor mental health (14+ days)23.3% 6.5 pts above the national average of 16.8%
Mobility disability11.8% 2.2 pts below the national average of 14%
Poor physical health (14+ days)13.6% same as the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat9.8% 1 pts above the national average of 8.8%
Sleeps under 7 hours33.6% 2.8 pts below the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost16.1% 3.1 pts above the national average of 13%
Vision disability6.5% 0.9 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments465
People employed6,844
Annual payroll$287,698,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 86.2% of US census tracts
FEMA ratingVery Low to Relatively High across the 9 census tracts this ZIP code covers
Expected annual loss87.1 out of 100
Community resilience90.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire97.4Relatively High at its worst in this ZIP code
Landslide97.1Relatively High at its worst in this ZIP code
Drought92.6Relatively High at its worst in this ZIP code
River flooding89Very High at its worst in this ZIP code
Earthquake87Relatively High at its worst in this ZIP code
Tsunami67Relatively Low at its worst in this ZIP code
Coastal flooding41.3Relatively Low at its worst in this ZIP code
Heat wave17.3Relatively Low at its worst in this ZIP code
Winter weather12.2Very Low at its worst in this ZIP code
Hail10.1Very Low at its worst in this ZIP code
Lightning9Very Low at its worst in this ZIP code
Strong wind6.6Very Low at its worst in this ZIP code
Tornado1.2Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$52,481$96,334$78,538
Income per person$32,512$47,977$43,289
Poverty rate44.5%12%12.4%
Median home value$897,800$695,400$303,400
Median gross rent$1,936$1,956$1,348
Homeownership32.7%55.8%65%
Bachelor's degree or higher52%36.5%35%
Unemployment rate9.9%6.4%5.2%
Works from home12.8%15.5%13.5%
Born outside the US6.3%26.7%13.9%
Median age22.737.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSAN LUIS OBISPO POLY, CA US2.5 km away
Rain in a year22 in

Average high and low by month

January64.9°F / 44°F5.07 in rain
February65.2°F / 44.4°F4.92 in rain
March67.3°F / 46.1°F3.89 in rain
April69.3°F / 46.8°F1.38 in rain
May71.9°F / 49.3°F0.51 in rain
June75.7°F / 51.8°F0.13 in rain
July78.3°F / 54.2°F0.07 in rain
August79.7°F / 54.8°F0.01 in rain
September80.1°F / 53.8°F0.11 in rain
October77.8°F / 51.5°F0.76 in rain
November70.8°F / 47.4°F1.98 in rain
December64.4°F / 43.7°F3.59 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket35% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

San Luis Coastal Unified School District99% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability36more vulnerable than 36% of US census tracts
Socioeconomic status34more vulnerable than 34% of US census tracts
Household characteristics18more vulnerable than 18% of US census tracts
Racial and ethnic minority status38more vulnerable than 38% of US census tracts
Housing type and transport66more vulnerable than 66% of US census tracts
Walkability7 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

93403 San Luis Obispo, CA2.2 km away
93406 San Luis Obispo, CA2.2 km away
93407 San Luis Obispo, CA2.2 km away
93408 San Luis Obispo, CA2.2 km away
93401 San Luis Obispo, CA4.1 km away
93409 San Luis Obispo, CA8.7 km away
93424 Avila Beach, CA13.1 km away
93412 Los Osos, CA13.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

San Luis Obispo County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area89.72 sq mi
Water area0.17 sq mi
Population density266 people per sq mi
Latitude, longitude35.2901, -120.6817

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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