Santa Margarita, CA Profile: Facts & Data


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Santa Margarita, California - Basic Facts

The Santa Margarita Census Designated Place had a population of 1,338 as of July 1, 2018.

The primary coordinate point for Santa Margarita is located at latitude 35.3894 and longitude -120.6082 in San Luis Obispo County. The formal boundaries for the Santa Margarita Census Designated Place (see map below) encompass a land area of 0.52 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 1,010 feet.

The Santa Margarita Census Designated Place (GNIS ID: 2583128) 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 Santa Margarita Census Designated Place is located within Atascadero CCD of San Luis Obispo County.

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  1. Santa Margarita 2018 Demographic Data
  2. Growth Rates for Santa Margarita (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 - 2018 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, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Santa Margarita, CA Data & Demographics (As of July 1, 2018)


Total Population 1,338
Population in Households 1,338
Population in Familes 1,032
Population in Group Qrtrs 0
Population Density2 2,586
Diversity Index3 48


Median Household Income $64,370
Average Household Income $86,772
Per Capita Income $34,735


Total Housing Units 551 (100%)
Owner Occupied HU 374 (67.9%)
Renter Occupied HU 158 (28.7%)
Vacant Housing Units 19 ( 3.4%)
Median Home Value $569,444
Average Home Value $579,746


Total Households 532
Average Household Size 2.52
Family Households 338
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. 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.


2010-2018 2018-2023
Population 0.74% 0.85%
Households 0.59% 0.78%
Families 0.59% 0.64%
Median Household Income   3.56%
Per Capita Income   4.35%

Santa Margarita, CA - Peer Comparisons by Rank and Percentile

The table below compares Santa Margarita to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2018 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 # 975 36th
Population Density # 529 65th
Diversity Index # 1034 32nd
Median Household Income # 624 59th
Per Capita Income # 586 61st

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

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