Rancho Santa Margarita, CA Profile: Facts, Map & Data


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Rancho Santa Margarita, California - Basic Facts

The City of Rancho Santa Margarita had a population of 49,640 as of July 1, 2017. Rancho Santa Margarita 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 Rancho Santa Margarita is located at latitude 33.6324 and longitude -117.599 in Orange County. The formal boundaries for the City of Rancho Santa Margarita (see map below) encompass a land area of 12.9 sq. miles and a water area of 0.04 sq. miles. Orange County is in the Pacific time zone (GMT -8). The elevation is 932 feet.

The City of Rancho Santa Margarita (GNIS ID: 2411517) 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 Rancho Santa Margarita is located within Mission Viejo CCD of Orange County.

Beneath the boundary map are tables with Rancho Santa Margarita population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Rancho Santa Margarita, CA Boundary Map

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Rancho Santa Margarita, CA Data & Demographics (As of July 1, 2017)


Total Population 49,640
Daytime Population: Workers 14,498
Daytime Population: Residents 22,688
Total Daytime Population (TDP) 37,186
Ratio TDP/Total Population1 0.75
Population in Households 49,638
Population in Familes 43,351
Population in Group Qrtrs 2
Population Density2 3,849
Diversity Index3 62


Median Household Income $107,347
Average Household Income $132,963
Per Capita Income $45,630


Total Housing Units 17,569 (100%)
Owner Occupied HU 12,038 (68.5%)
Renter Occupied HU 5,036 (28.7%)
Vacant Housing Units 495 ( 2.8%)
Median Home Value $597,247
Average Home Value $625,752


Total Households 17,074
Average Household Size 2.91
Family Households 12,889
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 0.63% 0.67%
Households 0.45% 0.54%
Families 0.5% 0.54%
Median Household Income   1.19%
Per Capita Income   2.04%

Rancho Santa Margarita, CA - Peer Comparisons by Rank and Percentile

The table below compares Rancho Santa Margarita to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 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 # 191 87th
Population Density # 339 78th
Diversity Index # 785 48th
Median Household Income # 132 91st
Per Capita Income # 286 81st

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

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