91765 Zip Code

Below you will find a comprehensive overview of the statistics and characteristics of the 91765 zip code. These include population demographics, economic characteristics, education data, occupation information, housing characteristics, and more.

Key Information:
StateCalifornia
CityDiamond Bar
Time ZoneAmerica/Los_Angeles
Geo Location33.98822, -117.81446
Population46270
Size49.004 square miles
Median Family Income$110812.00
Median Home Value$709800.00

Population & Demographics

The following information lists the population statistics and breakdown for the 91765 zip code. The total population is 46270, of which, 22544 are male and 23726 are female. With a total area of 49.004 square miles, the population density is 950.8 people per square mile. The median age of the population is 44 years old. Below you’ll find additional information on the population and demographics of this zip code, including age distribution, race distribution, language spoken, and more.

YearPopulation
201147017
201247433
201347273
201447562
201547598
201647493
201747398
201847139
201946593
202046248
202146270

Age BracketNumber of PeoplePercentage of Population
Under 5 years old 23765.1%
Age 5-923665.1%
Age 10-1428886.2%
Age 15-1926855.8%
Age 20-2421314.6
Age 25-2927926%
Age 30-3427756%
Age 35-3929056.3%
Age 40-442912 6.3%
Age 45-4932427%
Age 50-5435147.6%
Age 55-5937188%
Age 60-6432697.1%
Age 65-6932937.1%
Age 70-7426105.6%
Age 75-7910972.4%
Age 80-848761.9%
Age 85 and over8211.8%


Languages Spoken (of those 5 years of age and older) :
  • Speaks Language other than English: 58.8 %
  • Speaks Spanish: 9 %
  • Speaks Other Indo-European Language: 4 %
  • Speaks Pacific Island Languages: 45.1 %
  • Speak Other Languages: 0.8 %
Marital Status: 
  • Currently Married: 56.4 %
  • Divorced: 8.2 %
  • Separated (not divorced): 0.7 %
  • Never Married: 29.5 %

Income & Economic Characteristics

The median inflation-adjusted family income in the 91765 zip code is $110812. This is 59.84% greater than the national average. This income places 8.6% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $40255. Below you can find additional economic characteristics, including income bracket distribution, median income over time, retirement statistics, and more.

Annual Income Bracket ($)Number of Families in Bracket
Less than $10,000.00409
$10,000.00 – $14,999.00125
$15,000.00 – $24,999.00501
$25,000.00 – $34,999.00480
$35,000.00 – $49,999.00914
$50,000.00 – $74,999.001593
$75,000.00 – $99,999.001363
$100,000.00 – $149,999.002585
$150,000.00 – $199,999,001765
$200,000.00 +2347

YearMedian Family Income ($ USD)
2011102675
2012102721
201396602
201496693
201597236
201698693
2017105069
2018105674
2019109411
2020115018
2021110812

Income Source# of Households
Wage or Salary11738
Self Employment2255
Social Security5156
Dividends, Interest, or Rental3979
Retirement3165
Other2044

Total Insured & Uninsured Individuals: 
  • Families Insure: 44196
  • Families Uninsured: 2004
Total Individuals with and w/o retirement income:   
  • Yes retirement income: 3165
  • No retirement income: 11954

Education

In the 91765 zip code, 93.5% of individuals over 25 years old have a high school degree or higher, and 54.8% have a bachelors degree or higher. Additionally, 14.5% of individuals 3 years and older are in private school, and 85.5% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.




Occupation and Work Characteristics

In the 91765 zip, there are an estimated 23871 people in the labor force, of which, 22543 are employed, and 1301 are unemployed. There are a total of 27 people in the armed forces. The average commute time for this zip code is 35.5 minutes. Of the total people that work, 2510 worked from home and 21991 commuted. The average number of hours worked is 37.2. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.

Occupation# of Individual
Management, Business, Science, and Arts12139
Services2626
Sales and Office5729
Construction and Maintenance:780
Transportation and Material Moving1269





Housing

The median home value for the 91765 zip code is 709800. There is an estimated  15119 number of occupied housing units, the median gross rent in is $2193 per month, and the average monthly housing costs are estimated to be $2170. Below you’ll find additional breakdowns of home values, rents, home build years, and more.

Home Value (USD)Number of Homes
Less than $50,00052
$50,000 – $99,00052
$100,000 – $149,99958
$150,000 – $199,9990
$200,000 – $299,999112
$300,000 – $499,9991695
$500,000 – $999,9998289
$1,000,000+1516

Home Year BuiltNumber of Homes
2020 or Later0
2010 – 2019169
2000 – 2009297
1980 – 19996202
1960 – 19797890
1940 – 1959422
1939 or earlier139

The median number of rooms in all housing units is 6.2 rooms.
Monthly Rent ($ USD)Number of Units
Less than $50016
$500 – $99958
$1,000 – $1,499233
$1,500 – $1,999836
$2,000 – $2,499913
$2,499 – $2,999473
$3,000 + 462

Monthly Housing Costs ($)Number of Households
Less than 30088
300-499561
500-7991454
800-999943
1000-14991412
1500-19992078
2000-24992495
2500-29991900
3000+3834

Monthly Housing Cost as a % of Monthly IncomeNumber of Households
Less than 20%2423
20%-24.9%1193
25%-29.9%1144
30%-34.9%582
35+%2618



# of VehiclesHouseholds
None401
13371
26086
3+5261
Home Heating Characteristics: 
  • Utility Gas: 81.2 %
  • Bottle Tank or LP Gas: 1.6 %
  • Electricity: 16.2 %
  • Oil or Kerosene etc: 0 %
  • Coal or Coke: 0 %
  • All Other: 0.3 %

Related Zip Codes


All information sourced from official government sources including Census.gov, the IRS, and the Department of Education.