Guatay, CA 91931 ZIP Code Profile

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Guatay, CA

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ZIP Code 91931: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Guatay, CA 91931

  • ZIP Code Type: PO BOX
  • Businesses Addresses: 12
  • Single Family Addresses: 0
  • Multi-Family Addresses: 0
  • County: San Diego County
  • Centroid: Latitude 32.85, Longitude -116.555
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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91931 ZIP Code Map

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Guatay, CA 91931 Data & Demographics (As of July 1, 2017)


Total Population 240
Daytime Population: Workers 27
Daytime Population: Residents 137
Total Daytime Population (TDP) 164
Ratio TDP/Total Population1 0.68
Population in Households 211
Population in Familes 165
Population in Group Qrtrs 29
Population Density2 1,189
Diversity Index3 51


Median Household Income $58,885
Average Household Income $75,633
Per Capita Income $39,947


Total Housing Units 114 (100%)
Owner Occupied HU 76 (66.7%)
Renter Occupied HU 34 (29.8%)
Vacant Housing Units 4 ( 3.5%)
Median Home Value $461,538
Average Home Value $461,513


Total Households 110
Average Household Size 1.92
Family Households 69
Average Family Size 2
  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 1.21% 1.14%
Households 1.46% 1.24%
Families 1.49% 1.13%
Median Household Income   2.56%
Per Capita Income   2.53%

Guatay, CA 91931 - Peer Comparisons by Rank and Percentile

The table below compares 91931 to the other 1,761 ZIP Codes 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 # 1603 9th
Population Density # 808 54th
Diversity Index # 1282 27th
Median Household Income # 872 51st
Per Capita Income # 510 71st

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

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