San Luis Obispo County, California
San Luis Obispo County, California, has 282,367 residents (July 2025 estimate). Its county seat is San Luis Obispo. It uses Pacific Time and covers 3,301 sq mi (8,549 km²) of land.
- Resident population, July 2025
- 282,367
- Land area
- 3,301 sq mi (8,549 km²)
- County seat or government
- San Luis Obispo
- Time zone
- Pacific TimeUTC-08:00 in January; UTC-07:00 in July
- Median household income
- $97,446 ± $2,876
- Median home value
- $824,700 ± $12,237
- Median rent, with utilities
- $1,992 ± $45
- Homes lived in by their owners
- 62.1% ± 0.8 points
- County type
- County
- Metro or micro area
- San Luis Obispo-Paso Robles, CA metro areaCentral county
- Water area
- 315 sq mi (816 km²)
- State
- California
- County code (FIPS)
- 06079
- Coordinates (central point)
- 35.388189, -120.448897
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in San Luis Obispo County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Pacific TimeAmerica/Los_Angeles | UTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 9345859,148 people
- 9344645,554 people
- 9345441,896 people
- 9342233,002 people
- 9342031,345 people
- 9340129,202 people
- 9340525,002 people
- 9344421,611 people
- 9340214,197 people
- 9343312,600 people
- 9344211,571 people
- 9346511,039 people
All 30
30 ZIP Code areas overlap San Luis Obispo County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
San Luis Obispo County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in San Luis Obispo County, largest first
- San Luis Coastal Unified School District92,835 people
- Lucia Mar Unified School District79,601 people
- Paso Robles Joint Unified School District40,999 people
- Atascadero Unified School District36,674 people
- Templeton Unified School District12,244 people
- Paso Robles Joint Unified School District (9-12)8,120 people
- Coast Unified School District6,767 people
- San Miguel Joint Union Elementary School District6,727 people
- Cayucos Elementary School District2,974 people
- Coast Unified School District (9-12)2,974 people
- Shandon Joint Unified School District1,712 people
- Pleasant Valley Joint Union Elementary School District1,393 people
All 13
- Cuyama Joint Unified School District815 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- San Luis Obispo, California (city)48,491 people
- El Paso de Robles (Paso Robles), California (city)31,446 people
- Atascadero, California (city)29,712 people
- Arroyo Grande, California (city)18,372 people
- Nipomo, California (CDP)17,516 people
- Los Osos, California (CDP)14,166 people
- Grover Beach, California (city)12,604 people
- Morro Bay, California (city)10,692 people
- Templeton, California (CDP)9,580 people
- Pismo Beach, California (city)8,014 people
- California Polytechnic State University, California (CDP)7,915 people
- Oceano, California (CDP)7,128 people
All 30
- Cambria, California (CDP)5,978 people
- Lake Nacimiento, California (CDP)3,339 people
- San Miguel, San Luis Obispo County, California (CDP)3,227 people
- Cayucos, California (CDP)2,427 people
- Callender, California (CDP)2,230 people
- Woodlands, California (CDP)2,061 people
- Los Ranchos, California (CDP)1,467 people
- Avila Beach, California (CDP)1,303 people
- Shandon, California (CDP)1,169 people
- Santa Margarita, California (CDP)1,149 people
- Blacklake, California (CDP)983 people
- Edna, California (CDP)330 people
- Whitley Gardens, California (CDP)244 people
- Garden Farms, California (CDP)241 people
- San Simeon, California (CDP)217 people
- Los Berros, California (CDP)145 people
- Oak Shores, California (CDP)128 people
- Creston, California (CDP)0 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Kings County, California59 mi northeast
- Santa Barbara County, California63 mi south
- Monterey County, California76 mi northwest
- Kern County, California97 mi east
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.
Areas that only touch the edge
These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.