Lake San Marcos, CA Profile: Facts & Data

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Lake San Marcos, California - Basic Facts

The Lake San Marcos Census Designated Place had a population of 4,923 as of July 1, 2019.

The primary coordinate point for Lake San Marcos is located at latitude 33.1262 and longitude -117.2084 in San Diego County. The formal boundaries for the Lake San Marcos Census Designated Place encompass a land area of 1.72 sq. miles and a water area of 0.09 sq. miles. San Diego County is in the Pacific time zone (GMT -8). The elevation is 525 feet.

The Lake San Marcos Census Designated Place (GNIS ID: 2408550) 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 Lake San Marcos Census Designated Place is located within Oceanside-Escondido CCD of San Diego County.


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  1. Lake San Marcos 2019 Demographic Data
  2. Growth Rates for Lake San Marcos (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 - 2019 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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Lake San Marcos, CA Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX

Lake San Marcos, CA Housing Affordability Index is 57
State of California Housing Affordability Index is 67
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.

WEALTH INDEX

Lake San Marcos, CA Wealth Index is 129
State of California Wealth Index is 123
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.

These new demographic attributes are availiable for Neighborhoods, Cities, Counties, and ZIP Codes.

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  4. See the References & Data Sources page for more information about methodology and sources of data.
  5. See the California COVID-19 Data and US COVID-19 Data for more information on the spread of the novel coronavirus.

POPULATION

Total Population 4,923 (100%)
Population in Households 4,921 (100.0%)
Population in Families 3,751 (76.2%)
Population in Group Quarters1 2 ( 0.0%)
Population Density 2,884
Diversity Index2 52
 

INCOME

Median Household Income $69,432
Average Household Income $94,485
Per Capita Income $40,968
Wealth Index4 129

HOUSING

Total Housing Units 2,624 (100%)
Owner Occupied HU 1,929 (73.5%)
Renter Occupied HU 565 (21.5%)
Vacant Housing Units 130 ( 5.0%)
Median Home Value $653,125
Housing Affordability Index3 57
 

HOUSEHOLDS

Total Households 2,494
Average Household Size 1.97
Family Households 1,517
Average Family Size 2
NOTES
  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 race 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 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.

GROWTH RATE / YEAR

2010-2019 2019-2024
Population 1.13% 1.38%
Households 0.75% 1.25%
Families 1.69% 1.35%
Median Household Income   2.91%
Per Capita Income   2.92%

Lake San Marcos, CA - Peer Comparisons by Rank and Percentile

The table below compares Lake San Marcos to the other 1,521 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2019 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 # 650 57th
Population Density # 487 68th
Diversity Index # 970 36th
Median Household Income # 625 59th
Per Capita Income # 425 72nd

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

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