Rancho Santa Margarita, CA 92688 ZIP Code Profile

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Rancho Santa Margarita, CA

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
  • County: Orange County
  • Centroid: Latitude 33.651, Longitude -117.594
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,083
  • PO Box Addresses: 445
  • Residential Addresses: 16,209
    • Multi-Family Addresses: 2,863
    • Single Family Addresses: 13,346

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2019, Maps updated: February 1, 2019.

Jump to... (On This Page!)
  1. 92688 2018 Demographic Data
  2. Growth Rates for 92688 (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.


Rancho Santa Margarita, CA 92688 Data & Demographics (As of July 1, 2018)


Total Population 46,304
Population in Households 46,301
Population in Familes 40,253
Population in Group Qrtrs 3
Population Density2 3,547
Diversity Index3 65


Median Household Income $107,375
Average Household Income $131,396
Per Capita Income $45,630


Total Housing Units 16,645 (100%)
Owner Occupied HU 10,738 (64.5%)
Renter Occupied HU 5,341 (32.1%)
Vacant Housing Units 566 ( 3.4%)
Median Home Value $605,365
Average Home Value $652,847


Total Households 16,079
Average Household Size 2.88
Family Households 11,932
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 0.5% 0.53%
Households 0.3% 0.38%
Families 0.43% 0.43%
Median Household Income   1.67%
Per Capita Income   2.66%

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

The table below compares 92688 to the other 1,763 ZIP Codes 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 # 283 84th
Population Density # 554 69th
Diversity Index # 955 46th
Median Household Income # 201 89th
Per Capita Income # 409 77th

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