Oceanside, CA Profile: Facts & Data


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Oceanside, California - Basic Facts

The City of Oceanside had a population of 178,340 as of July 1, 2020. Oceanside ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Oceanside is located at latitude 33.1959 and longitude -117.3795 in San Diego County. The formal boundaries for the City of Oceanside encompass a land area of 41.25 sq. miles and a water area of 0.92 sq. miles. San Diego County is in the Pacific time zone (GMT -8). The elevation is 69 feet.

The City of Oceanside (GNIS ID: 2411301) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Oceanside is located within Oceanside-Escondido CCD of San Diego County.

Alternate Unofficial Names for Oceanside: Ocean Side.


Oceanside, CA Data & Demographics (As of July 1, 2020)


Total Population 178,340 (100%)
Population in Households 177,363 (99.5%)
Population in Families 142,640 (80.0%)
Population in Group Quarters1 977 ( 0.5%)
Population Density 4,323
Diversity Index2 80


Median Household Income $72,841
Average Household Income $96,636
% of Income for Mortgage4 30%
Per Capita Income $34,130
Wealth Index5 107


Total HU (Housing Units) 67,823 (100%)
Owner Occupied HU 37,134 (54.8%)
Renter Occupied HU 25,870 (38.1%)
Vacant Housing Units 4,820 ( 7.1%)
Median Home Value $520,958
Average Home Value $564,104
Housing Affordability Index3 82


Total Households 63,003
Average Household Size 2.82
Family Households 42,785
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.62% 0.61%
Households 0.59% 0.57%
Families 0.59% 0.6%
Median Household Income   1.88%
Per Capita Income   2.37%
Owner Occupied HU   0.71%


Oceanside, CA - Peer Comparisons by Rank and Percentile

The table below compares Oceanside to the other 1,521 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2020 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 26 98th
Population Density # 287 81st
Median Household Income # 618 59th
Housing Affordability Index # 585 38th
Per Capita Income # 687 55th
Diversity Index # 405 73rd

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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