91001 Zip Code

Below you will find a comprehensive overview of the statistics and characteristics of the 91001 zip code. These include population demographics, economic characteristics, education data, occupation information, housing characteristics, and more.

Key Information:
StateCalifornia
CityAltadena
Time ZoneAmerica/Los_Angeles
Geo Location34.19544, -118.13796
Population36867
Size21.383 square miles
Median Family Income$131461.00
Median Home Value$887100.00

Population & Demographics

The following information lists the population statistics and breakdown for the 91001 zip code. The total population is 36867, of which, 17417 are male and 19450 are female. With a total area of 21.383 square miles, the population density is 1768.6 people per square mile. The median age of the population is 44.6 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
201138113
201238066
201337832
201437481
201537163
201637699
201737528
201837711
201937818
202036697
202136867

Age BracketNumber of PeoplePercentage of Population
Under 5 years old 19185.2%
Age 5-920765.6%
Age 10-1422076%
Age 15-1919295.2%
Age 20-2416364.4
Age 25-2920805.6%
Age 30-3419285.2%
Age 35-3921005.7%
Age 40-442702 7.3%
Age 45-4923896.5%
Age 50-5431458.5%
Age 55-5930208.2%
Age 60-6426327.1%
Age 65-6920375.5%
Age 70-7418174.9%
Age 75-7914063.8%
Age 80-849032.4%
Age 85 and over9422.6%


Languages Spoken (of those 5 years of age and older) :
  • Speaks Language other than English: 30.8 %
  • Speaks Spanish: 24.4 %
  • Speaks Other Indo-European Language: 3.3 %
  • Speaks Pacific Island Languages: 2.3 %
  • Speak Other Languages: 0.8 %
Marital Status: 
  • Currently Married: 48.1 %
  • Divorced: 11.7 %
  • Separated (not divorced): 1.8 %
  • Never Married: 32.1 %

Income & Economic Characteristics

The median inflation-adjusted family income in the 91001 zip code is $131461. This is 65.24% greater than the national average. This income places 5.8% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $48864. 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 $10,000.00124
$10,000.00 – $14,999.0048
$15,000.00 – $24,999.00277
$25,000.00 – $34,999.00340
$35,000.00 – $49,999.00597
$50,000.00 – $74,999.001133
$75,000.00 – $99,999.00860
$100,000.00 – $149,999.001689
$150,000.00 – $199,999,001108
$200,000.00 +2832

YearMedian Family Income ($ USD)
201191376
201290621
201392295
201496406
201597221
201698739
201798936
2018106654
2019109270
2020118461
2021131461

Income Source# of Households
Wage or Salary9625
Self Employment2593
Social Security4515
Dividends, Interest, or Rental4047
Retirement3237
Other1763

Total Insured & Uninsured Individuals: 
  • Families Insure: 34971
  • Families Uninsured: 1756
Total Individuals with and w/o retirement income:   
  • Yes retirement income: 3237
  • No retirement income: 9093

Education

In the 91001 zip code, 90.6% of individuals over 25 years old have a high school degree or higher, and 47.6% have a bachelors degree or higher. Additionally, 28.4% of individuals 3 years and older are in private school, and 71.6% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.




Occupation and Work Characteristics

In the 91001 zip, there are an estimated 19462 people in the labor force, of which, 17928 are employed, and 1534 are unemployed. There are a total of 0 people in the armed forces. The average commute time for this zip code is 28.8 minutes. Of the total people that work, 2599 worked from home and 17586 commuted. The average number of hours worked is 37.7. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.

Occupation# of Individual
Management, Business, Science, and Arts9484
Services3248
Sales and Office2862
Construction and Maintenance:1052
Transportation and Material Moving1282





Housing

The median home value for the 91001 zip code is 887100. There is an estimated  12330 number of occupied housing units, the median gross rent in is $1824 per month, and the average monthly housing costs are estimated to be $2343. Below you’ll find additional breakdowns of home values, rents, home build years, and more.

Home Value (USD)Number of Homes
Less than $50,00053
$50,000 – $99,00032
$100,000 – $149,99962
$150,000 – $199,9990
$200,000 – $299,99961
$300,000 – $499,999498
$500,000 – $999,9995368
$1,000,000+3480

Home Year BuiltNumber of Homes
2020 or Later7
2010 – 2019255
2000 – 2009164
1980 – 1999763
1960 – 19791469
1940 – 19595277
1939 or earlier4395

The median number of rooms in all housing units is 5.9 rooms.
Monthly Rent ($ USD)Number of Units
Less than $50030
$500 – $999180
$1,000 – $1,499503
$1,500 – $1,999824
$2,000 – $2,499490
$2,499 – $2,999229
$3,000 + 237

Monthly Housing Costs ($)Number of Households
Less than 300118
300-499515
500-799986
800-999470
1000-14991288
1500-19991584
2000-24991562
2500-29991394
3000+4130

Monthly Housing Cost as a % of Monthly IncomeNumber of Households
Less than 20%2602
20%-24.9%979
25%-29.9%587
30%-34.9%637
35+%2447



# of VehiclesHouseholds
None368
13633
24937
3+3392
Home Heating Characteristics: 
  • Utility Gas: 81.3 %
  • Bottle Tank or LP Gas: 0.2 %
  • Electricity: 15.6 %
  • Oil or Kerosene etc: 0.1 %
  • Coal or Coke: 0 %
  • All Other: 0.6 %

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