Sereno del Mar, CA Profile: Facts & Data


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Sereno del Mar, California - Basic Facts

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The Sereno del Mar CDP(1) had a population of 123 as of July 1, 2021. Sereno del Mar ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Sereno del Mar is located at latitude 38.3837 and longitude -123.0732 in Sonoma County. The formal boundaries for the Sereno del Mar Census Designated Place encompass a land area of 0.74 sq. miles and a water area of 0 sq. miles.

The Sereno del Mar Census Designated Place has a U2 Census Class Code which indicates a census designated place without 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 Sereno del Mar Census Designated Place is located within Russian River-Sonoma Coast CCD of Sonoma County.

Alternate Unofficial Names for Sereno del Mar: Sereno Del Mar Census Designated Place.

  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. Sereno del Mar 2021 Demographic Data
  2. Growth Rates for Sereno del Mar (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

Sereno del Mar, CA Data & Demographics (As of July 1, 2021)


Total Population 123 (100%)
Population in Households 121 (98.4%)
Population in Families 81 (65.9%)
Population in Group Quarters1 2 ( 1.6%)
Population Density 167
Diversity Index2 36


Median Household Income $79,859
Average Household Income $131,206
% of Income for Mortgage4 0%
Per Capita Income $63,375
Wealth Index5 219


Total HU (Housing Units) 110 (100%)
Owner Occupied HU 45 (40.9%)
Renter Occupied HU 16 (14.5%)
Vacant Housing Units 49 (44.5%)
Median Home Value $883,929
Average Home Value $1,001,596
Housing Affordability Index3 0


Total Households 61
Average Household Size 1.98
Family Households 32
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 -0.21% -0.33%
Households -0.29% -0.33%
Families -1.28% -0.63%
Median Household Income   2.26%
Per Capita Income   3.22%
Owner Occupied HU   0.0%

Sereno del Mar, CA - Peer Comparisons by Rank and Percentile

The table below compares Sereno del Mar 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 # 1411 7th
Population Density # 1174 23rd
Median Household Income # 523 66th
Housing Affordability Index # 7 0th
Per Capita Income # 159 90th
Diversity Index # 1313 14th

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

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