Altadena CDP, Los Angeles County, California Population and Demographics

In this article, we'll explore the population statistics for Altadena CDP, California, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Altadena CDP, California. The most basic data is the total population, which is the total number of people living in Altadena CDP, California. The estimated population of Altadena CDP, California is 43,384 people, with a median age of 43.9.

We can look at the total population in Altadena CDP over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
43,384
+0.81%
-4.09%
2020
43,037
-4.04% -
2019
44,850
-0.66% -
2018
45,146
-0.2% -
2017
45,236
- -

Population of Altadena CDP, California by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
39.5%
39.6%
-0.25%
Black/African American
19.8%
21.7%
-8.76%
Native
0.1%
0%
0.00%
Hispanic
29.3%
27.2%
+7.72%
Asian
5.3%
6.5%
-18.46%
Hawaiian/Pacific Islander
0.1%
0.1%
0.00%
Two Or More Races
5.6%
4.2%
+33.33%
Other
0.4%
0.7%
-42.86%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Altadena CDP, California by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 43.9 -3.3% 42.7 -1.61% 46.5 -1.48%
2020 45.4 +2.48% 43.4 +1.88% 47.2 +1.94%
2019 44.3 +1.37% 42.6 +1.91% 46.3 +1.31%
2018 43.7 0% 41.8 +1.21% 45.7 -0.65%
2017 43.7 - 41.3 - 46 -

The median age of Altadena CDP, California gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 2,431 -3.51% 2,082 +16.38% 2,300 2,436
10 to 19 2,998 -21.07% 2,282 +3.18% 2,404 2,318
20 to 29 2,758 -13.92% 2,179 +3.27% 2,346 2,211
30 to 39 2,712 -10.28% 2,775 -3.43% 2,431 2,665
40 to 49 3,184 -9.14% 3,567 -23.36% 2,888 2,787
50 to 59 3,871 -17.53% 3,677 +10.25% 3,231 4,036
60 to 69 2,255 +0.68% 3,114 +2.49% 2,261 3,190
70+ 2,237 +13% 3,114 +8.34% 2,521 3,359

Median Household Income

The latest median household income of Altadena CDP, California is $109,743.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Altadena CDP.

  • Under 25
    $0.00
  • 25 to 44
    $126,075.00
  • 45 to 64
    $122,375.00
  • 65 and over
    $82,384.00

Average Household Income

Whenever we ask what is the average household income in Altadena CDP, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Altadena CDP, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Altadena CDP, California is currently $154,430.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

24.95% of households in Altadena CDP are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Altadena CDP against other areas.

  • Less than $24,999
    8.93%
  • $25,000 to $49,999
    12.33%
  • $50,000 to $74,999
    14.40%
  • $75,000 to $99,999
    9.76%
  • $100,000 to $149,999
    17.40%
  • $150,000 to $199,999
    12.24%
  • $200,000 or more
    24.95%

Per Capita Income

The per capita income in Altadena CDP is $54,378.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Altadena CDP by the total population of Altadena CDP.

This is different from the average or mean income because it includes and accounts for all people in Altadena CDP, California, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Altadena CDP to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    25.51%
  • Bachelor's degree
    41.07%
  • Some college or associate's degree
    6.88%
  • High school diploma or equivalent
    23.27%
  • Less than high school diploma
    3.27%

Employment

Employment rates are all based around the total population in Altadena CDP that are over the age of 16.

The total population of Altadena CDP over the age of 16 is 35,634.

Of those people, a total of 63.30% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Altadena CDP is 58.80%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 1,708 23.00% 27.00%
20 to 24 years 1,928 77.40% 11.10%
25 to 29 years 2,629 80.10% 5.40%
30 to 34 years 2,478 80.20% 13.20%
35 to 44 years 5,633 85.60% 5.10%
45 to 54 years 6,356 79.80% 4.30%
55 to 59 years 3,571 74.30% 9.10%
60 to 64 years 2,945 63.80% 6.70%
65 to 74 years 4,562 38.00% 5.90%
75 years and over 3,824 10.90% 6.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Altadena CDP. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 18,241 63.20% 5.50%
Black or African American 7,400 56.20% 9.90%
American Indian and Alaska Native 267 62.90% 3.00%
Asian 2,167 72.30% 5.10%
Native Hawaiian and Other Pacific Islander 4 0.00% 0.00%
Other 4,579 68.10% 5.40%
Two or more races 2,976 67.80% 15.20%
Hispanic or Latino 9,379 67.40% 7.30%
Not Hispanic or Latino 15,222 62.80% 5.70%

Occupations

In this section we can look at the most common occupations in Altadena CDP as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Altadena CDP is 20,952, with median earnings of $55,418.00.

Women in Altadena CDP, California earning approximately 73.80% of the men's earnings.

Population Earnings
Total 20,952 $55,418.00
Male 10,477 $62,045.00
Female 10,475 $45,804.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 2,760 $107,093.00
Business and Financial 1,179 $84,917.00
Computer and Mathematical 486 $122,000.00
Architecture and Engineering 550 $125,481.00
Life, Physical, and Social Science 428 $89,500.00
Community and Social Service 699 $53,828.00
Legal 731 $124,107.00
Educational and Library 1,764 $75,232.00
Arts, Design, Entertainment, Sports, and Media 1,316 $41,645.00
Healthcare Practitioners 1,255 $119,844.00
Healthcare Support 642 $22,269.00
Firefighters and Protective Service 210 $26,000.00
Law Enforcement 157 $96,031.00
Food Preparation and Serving 713 $21,138.00
Building and Grounds Cleaning 966 $24,167.00
Personal Care and Service 800 $15,169.00
Sales 1,495 $37,936.00
Office and Administrative Support 2,016 $38,836.00
Farming, Fishing, and Forestry 57 $16,336.00
Construction and Extraction 683 $56,378.00
Installation, Maintenance, and Repair 489 $52,132.00
Production 504 $50,403.00
Transportation and Material Moving 622 $40,930.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 1,442 $146,250.00 1,318 $99,521.00
Business and Financial 462 $96,719.00 717 $66,397.00
Computer and Mathematical 430 $128,370.00 56 $120,667.00
Architecture and Engineering 461 $127,163.00 89 $102,569.00
Life, Physical, and Social Science 153 $157,344.00 275 $53,958.00
Community and Social Service 319 $29,063.00 380 $58,947.00
Legal 281 $213,295.00 450 $107,692.00
Educational and Library 771 $100,885.00 993 $63,625.00
Arts, Design, Entertainment, Sports, and Media 733 $41,123.00 583 $42,917.00
Healthcare Practitioners 290 $162,632.00 965 $108,681.00
Healthcare Support 269 $21,969.00 373 $23,375.00
Firefighters and Protective Service 195 $19,712.00 15 $0.00
Law Enforcement 74 $149,318.00 83 $0.00
Food Preparation and Serving 281 $22,472.00 432 $11,667.00
Building and Grounds Cleaning 440 $30,875.00 526 $18,182.00
Personal Care and Service 188 $14,942.00 612 $15,241.00
Sales 685 $52,937.00 810 $23,115.00
Office and Administrative Support 411 $58,807.00 1,605 $35,446.00
Farming, Fishing, and Forestry 44 $0.00 13 $0.00
Construction and Extraction 683 $56,378.00 0 $0.00
Installation, Maintenance, and Repair 489 $52,132.00 0 $0.00
Production 391 $50,074.00 113 $51,932.00
Transportation and Material Moving 601 $40,945.00 21 $0.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 14,789 households in Altadena CDP, with an average household size of 2.89 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 10,753 families in Altadena CDP with an average family size of 3.41 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 7,619 462 2,672 4,036
Average Household Size 3.38 3.77 3.85 1.24
Total Families 7,619 462 2,672 0
Average Household Size 3.35 3.54 3.54 0

Poverty

Of the 10,753 families in Altadena CDP, 3.80% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Altadena CDP:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 15,860 housing units in Altadena CDP, California.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 14,789 93.25%
Vacant 1,071 6.75%

22.46% of the total 15,860 housing units in Altadena CDP are rental units. This is approximately 3,562 properties.

For owner-occupied housing units, a total of 10,912 are occupied by the owner - or 68.80% of the total.

Rental Rates

The median rent for a property in Altadena CDP is $1,834.00.

In the chart below, we can look at the number of rental properties in Altadena CDP that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    315
  • Less than $500
    30
  • $500 to $999
    361
  • $1,000 to $1,499
    783
  • $1,500 to $1,999
    909
  • $2,000 to $2,499
    644
  • $2,500 to $2,999
    462
  • $3,000 or more
    373

Property Value

The median value of a property in Altadena CDP is $879,600.00.

Just like with rental rates, we can look at the number of properties in Altadena CDP that fall into a particular value range.

  • Less than $50,000
    68
  • $50,000 to $99,999
    32
  • $100,000 to $149,999
    62
  • $150,000 to $199,999
    0
  • $200,000 to $299,999
    61
  • $300,000 to $499,999
    555
  • $500,000 to $999,999
    6,377
  • $1,000,000 or more
    3,757

Property Age

We can also look at the age of properties in Altadena CDP. The chart below shows the number of properties in Altadena CDP that fall into a particular age range.

  • 1939 or earlier
    5,930
  • 1940 to 1949
    3,507
  • 1950 to 1959
    2,947
  • 1960 to 1969
    1,213
  • 1970 to 1979
    652
  • 1980 to 1989
    405
  • 1990 to 1999
    505
  • 2000 to 2009
    372
  • 2010 to 2013
    322
  • 2014 or later
    7

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Altadena CDP that have a particular number of vehicles available.

  • No vehicles available
    479
  • 1 vehicle available
    4,523
  • 2 vehicles available
    5,932
  • 3 or more vehicles available
    3,855

Commuting to Work

In this section, we can also look at how people in Altadena CDP get to work. The chart below shows the number of people in Altadena CDP that commute to work in a particular way.

28.6 minutes is the average travel time to work for people in Altadena CDP.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    309
  • 5 to 9 minutes
    868
  • 10 to 14 minutes
    2,557
  • 15 to 19 minutes
    2,647
  • 20 to 24 minutes
    2,994
  • 25 to 29 minutes
    860
  • 30 to 34 minutes
    2,106
  • 35 to 39 minutes
    434
  • 40 to 44 minutes
    909
  • 45 to 59 minutes
    1,718
  • 60 to 89 minutes
    1,591
  • 90 or more minutes
    395

Summary

We've covered a LOT of demographic and population data for Altadena CDP, California in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.