Twin Peaks, CA 92391 ZIP Code Profile

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Twin Peaks, CA

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ZIP Code 92391: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Twin Peaks, CA 92391

  • ZIP Code Type: PO BOX
  • Businesses Addresses: 43
  • Single Family Addresses: 1
  • Multi-Family Addresses: 0
  • County: San Bernardino County
  • Centroid: Latitude 34.247, Longitude -117.227
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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92391 ZIP Code Map

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Twin Peaks, CA 92391 Data & Demographics (As of July 1, 2016)


Total Population 3,136
Population in Households 3,114
Population in Familes 2,608
Population in Group Qrtrs 22
Population Density1 911
Diversity Index2 62


Total Households 1,123
Average Household Size 2.77
Family Households 795
Average Family Size 3


Total Housing Units 2,126 (100%)
Owner Occupied HU 724 (34.1%)
Renter Occupied HU 399 (18.8%)
Vacant Housing Units 1,003 (47.2%)
Median Home Value $284,420
Average Home Value $402,521


Median Household Income $50,684
Average Household Income $66,221
Per Capita Income $24,021
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.34% 0.43%
Households 0.19% 0.32%
Families 0.2% 0.3%
Median Household Income   0.9%
Per Capita Income   1.81%
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.

Twin Peaks, CA 92391 - Peer Comparisons by Rank and Percentile

The table below compares 92391 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 # 1220 31st
Population Density1 # 841 52nd
Diversity Index2 # 1035 41st
Median Household Income # 1110 37th
Per Capita Income # 1147 35th

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

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