Rancho Santa Margarita, CA 92688 ZIP Code Profile

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Rancho Santa Margarita, CA

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ZIP Code 92688: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rancho Santa Margarita, CA 92688

Acceptable Alternative
Rancho Sta Marg, CA 92688
Rcho Sta Marg, CA 92688
RSM, CA 92688

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,109
  • Single Family Addresses: 13,367
  • Multi-Family Addresses: 2,862
  • County: Orange County
  • Centroid: Latitude 33.651, Longitude -117.594
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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92688 ZIP Code Map

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Rancho Santa Margarita, CA 92688 Data & Demographics (As of July 1, 2016)


Total Population 45,833
Population in Households 45,831
Population in Familes 39,437
Population in Group Qrtrs 2
Population Density1 3,632
Diversity Index2 65


Total Households 15,984
Average Household Size 2.87
Family Households 11,724
Average Family Size 3


Total Housing Units 16,618 (100%)
Owner Occupied HU 10,694 (64.4%)
Renter Occupied HU 5,290 (31.8%)
Vacant Housing Units 634 ( 3.8%)
Median Home Value $555,793
Average Home Value $567,412


Median Household Income $102,106
Average Household Income $119,701
Per Capita Income $41,747
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.5% 0.72%
Households 0.3% 0.58%
Families 0.29% 0.57%
Median Household Income   1.17%
Per Capita Income   1.33%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Rancho Santa Margarita, CA 92688 - Peer Comparisons by Rank and Percentile

The table below compares 92688 to the other 1,756 ZIP Codes in California by rank and percentile using July 1, 2016 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 # 278 84th
Population Density1 # 537 69th
Diversity Index2 # 972 45th
Median Household Income # 171 90th
Per Capita Income # 379 78th

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

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