San Simeon, CA Profile: Facts & Data


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San Simeon, California - Basic Facts

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The San Simeon CDP(1) had a population of 482 as of July 1, 2021.

The primary coordinate point for San Simeon is located at latitude 35.6439 and longitude -121.1908 in San Luis Obispo County. The formal boundaries for the San Simeon Census Designated Place encompass a land area of 0.8 sq. miles and a water area of 0 sq. miles. San Luis Obispo County is in the Pacific time zone (GMT -8). The elevation is 20 feet.

The San Simeon Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The San Simeon Census Designated Place is located within North Coast CCD of San Luis Obispo County.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. San Simeon 2021 Demographic Data
  2. Growth Rates for San Simeon (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. California Research Tools (Easy Tools & Current Data)
  3. California Data Comparison Tool - 2021 Demographics

San Simeon, CA Data & Demographics (As of July 1, 2021)


Total Population 482 (100%)
Population in Households 477 (99.0%)
Population in Families 373 (77.4%)
Population in Group Quarters1 5 ( 1.0%)
Population Density 605
Diversity Index2 66


Median Household Income $75,000
Average Household Income $94,244
% of Income for Mortgage4 100%
Per Capita Income $39,893
Wealth Index5 105


Total HU (Housing Units) 312 (100%)
Owner Occupied HU 115 (36.9%)
Renter Occupied HU 90 (28.8%)
Vacant Housing Units 108 (34.6%)
Median Home Value $2,000,000
Average Home Value $1,563,377
Housing Affordability Index3 24


Total Households 204
Average Household Size 2.34
Family Households 131
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.


2010-2021 2021-2026
Population 0.38% 0.45%
Households 0.31% 0.49%
Families 0.71% 0.45%
Median Household Income   3.12%
Per Capita Income   3.84%
Owner Occupied HU   0.69%

San Simeon, CA - Peer Comparisons by Rank and Percentile

The table below compares San Simeon to the other 1,521 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2021 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 # 1188 22nd
Population Density # 888 42nd
Median Household Income # 616 59th
Housing Affordability Index # 180 12th
Per Capita Income # 519 66th
Diversity Index # 755 50th

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

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