Oceanside
City in San Diego County, California

Oceanside is a city in San Diego County, California, with 174,068 residents (2020 Census). It sits at 66 ft (20 m) above sea level. The nearest town is Vista, 4.6 miles SE.
- 174,068residents (2020 Census)
- 66 ftelevation · 20 m
- 41.3 sq miland area · 106.9 km²
- 4,216 / sq mipopulation density
- 92056main ZIP code (6 in total)
About Oceanside
Oceanside is a beach city in the North County area of San Diego County, California, United States. The city had a population of 174,068 at the 2020 United States census, making it the most populous city in the North County region of San Diego. The city is a popular tourist destination, owing to its historic landmarks, beaches, and architecture.
Oceanside's origins date to 1798, when the Spanish founded the village of San Luis Rey with the establishment of Mission San Luis Rey de Francia by Fermín de Lasuén. During the Spanish period, Mission San Luis Rey grew to be the largest of all the Californian missions, but following the Mexican secularization act of 1833 the mission and its community declined. Following the U.S. conquest of California, the former mission lands were developed into an oceanfront resort and the community's name gradually changed to Oceanside.
Text: Wikipedia · CC BY-SA 4.0
Oceanside weather: 7-day forecast
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Source: National Weather Service (NOAA).
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- Median household income
- $97,737
- Median home value
- $770,300
- Median rent
- $2,303/mo
- Median age
- 38.9
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Map of Oceanside
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Open in Google Maps ›Oceanside, CA population
Oceanside had 174,068 residents in the 2020 Census.
| 2020 Census | 174,068 |
|---|---|
| Density | 4,216 per sq mi (1,628 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Oceanside at a glance
| State | California (CA) |
|---|---|
| County | San Diego County |
| Type | City |
| Population | 174,068 (2020) |
| Land area | 41.28 sq mi (106.9 km²) |
| Water area | 0.89 sq mi (2.30 km²) |
| Elevation | 66 ft (20 m) |
| Coordinates | 33.2247° N, 117.3067° W |
| ZIP codes | 92056, 92010, 92054, 92057, 92058, 92083 |
| Official website | ci.oceanside.ca.us |
| Census code (GEOID) | 0653322 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Oceanside
- Vista4.6 mi SE
- Camp Pendleton South5.2 mi W
- Camp Pendleton Mainside5.7 mi N
- Carlsbad6.8 mi S
- Bonsall7.5 mi NE
- Lake San Marcos9.4 mi SE
- San Marcos10.1 mi SE
- Hidden Meadows10.8 mi E
- Fallbrook11.6 mi NE
- Encinitas12.3 mi S
- Elfin Forest12.4 mi SE
- Harmony Grove13.0 mi SE
Straight-line distance between town centers.
Frequently asked questions about Oceanside
What county is Oceanside in?
Oceanside is in San Diego County, California.
What is the population of Oceanside, CA?
174,068 people lived in Oceanside at the 2020 Census.
What is the ZIP code of Oceanside, CA?
The main ZIP code is 92056. Other ZIP codes: 92010, 92054, 92057, 92058, 92083.
What is the elevation of Oceanside?
66 feet (20 m) above sea level.
What towns are near Oceanside?
Vista (4.6 mi), Camp Pendleton South (5.2 mi), Camp Pendleton Mainside (5.7 mi), Carlsbad (6.8 mi), Bonsall (7.5 mi).
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