91377 Zip Code Population and Demographics

In this article, we'll explore the population statistics for the zip code 91377, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

91377 is a zip code in Ventura County, California, which covers Thousand Oaks, with a total population of 13,561 people.

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 the 91377 zip code. The most basic data is the total population, which is the total number of people living in 91377.

The estimated population of people living in 91377 is 13,561, with a median age of 42.9.

We can look back at data from previous years to see how the population in the 91377 area has changed over the last 5 years.

Year Population Change 5-Year Change
2021
13,561
 -3.05% -6.09%
2020
13,987
+0.97%
-
2019
13,853
+0.9%
-
2018
13,730
 -4.92% -
2017
14,440
 - -

Population of 91377 by Race and Ethnicity

How much has the race and ethnicity of the population in the 91377 zip code changed? The US Census Bureau gives us a few defined types that the population is broken down into.

Let's look at the total numbers and also the change over the last 5 years.

Race 2021 2017 Change
White
69.1%
71.2%
 -2.95%
Black/African American
0.9%
1.1%
 -18.18%
Native
0%
0%
 0.00%
Hispanic
8.5%
7.4%
 +14.86%
Asian
17.7%
14.1%
 +25.53%
Hawaiian/Pacific Islander
0.1%
0%
 0.00%
Two Or More Races
3.2%
6%
 -46.67%
Other
0.5%
0.2%
 +150.00%

This data can be very important for anybody studying the 91377 zip 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 91377 by Age and Gender

We can also monitor the change of the age and gender in the 91377 zip code to track track trends in the population over time.

We can see how the population in 91377 has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 42.9 +1.66% 39.9 0% 45.6 +0.66%
2020 42.2 -3.65% 39.9 -4.77% 45.3 -0.44%
2019 43.8 -1.79% 41.9 -3.23% 45.5 -0.44%
2018 44.6 +4.94% 43.3 +1.17% 45.7 +8.04%
2017 42.5 - 42.8 - 42.3 -

The median age of the 91377 zip 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 in the 91377 area, 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 9 670 +29.14% 1,049 -36.02% 859 702
10 to 19 1,320 -22.37% 1,097 -0.65% 1,001 1,041
20 to 29 514 +48.99% 555 -4.87% 785 497
30 to 39 611 +4.78% 822 -7.29% 631 732
40 to 49 1,097 -20.31% 1,256 -17.42% 886 1,039
50 to 59 1,364 -23.95% 1,321 +7.06% 1,054 1,402
60 to 69 887 1.37% 878 -8.65% 878 799
70+ 392 +8.01% 607 +33.48% 419 836

Median Household Income

The latest median household income for the 91377 zip code is $143,153.00.

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 91377.

  • Under 25
    $0.00
  • 25 to 44
    $142,990.00
  • 45 to 64
    $166,176.00
  • 65 and over
    $84,028.00

Average Household Income

Whenever we ask what is the average household income in the 91377 zip code, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in 91377, 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 91377 is currently $191,131.00.

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.

34.30% of households in 91377 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 91377 against other zip codes.

  • Less than $24,999
    8.97%
  • $25,000 to $49,999
    8.41%
  • $50,000 to $74,999
    6.38%
  • $75,000 to $99,999
    8.91%
  • $100,000 to $149,999
    19.91%
  • $150,000 to $199,999
    13.13%
  • $200,000 or more
    34.30%

Per Capita Income

The per capita income in 91377 is $71,890.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of 91377 by the total population of 91377.

This is different from the average or mean income because it includes and accounts for all people living in the 91377 area, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in 91377 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
    26.24%
  • Bachelor's degree
    52.40%
  • Some college or associate's degree
    9.01%
  • High school diploma or equivalent
    10.87%
  • Less than high school diploma
    1.49%

Employment

Employment rates are all based around the total population in 91377 that are over the age of 16.

Currently, the total population of the 91377 zip over the age of 16 is 10,677.

Of those people, a total of 63.20% 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 91377 is 60.40%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate. Here's how that breaks down for the 91377 zip code.

Age Population Participation Unemployment Rate
16 to 19 years 719 18.40% 13.60%
20 to 24 years 777 57.70% 6.50%
25 to 29 years 505 76.60% 7.80%
30 to 34 years 396 85.40% 2.70%
35 to 44 years 1,852 77.20% 3.60%
45 to 54 years 2,120 80.80% 2.30%
55 to 59 years 1,376 82.20% 4.10%
60 to 64 years 834 57.40% 3.50%
65 to 74 years 1,413 44.90% 5.80%
75 years and over 685 8.90% 18.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in 91377. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau (which we mentioned earlier in this article).

Age Population Participation Unemployment Rate
White 8,274 65.10% 5.10%
Black or African American 86 40.70% 0.00%
American Indian and Alaska Native 5 0.00% 0.00%
Asian 1,788 53.20% 0.00%
Native Hawaiian and Other Pacific Islander 39 10.30% 0.00%
Other 128 80.50% 0.00%
Two or more races 357 76.80% 5.10%
Hispanic or Latino 880 71.40% 2.20%
Not Hispanic or Latino 7,592 64.80% 5.60%

Occupations

In this section we can look at the most common occupations for people living in the 91377 area as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in 91377 is 6,447, with median earnings of $84,268.00.

Women in 91377 are earning approximately 56.90% of the men's earnings.

Population Earnings
Total 6,447 $84,268.00
Male 3,435 $111,829.00
Female 3,012 $63,587.00

Occupations by Category

In the table below, we can break down the population and earnings for 91377 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 963 $131,128.00
Business and Financial 744 $113,147.00
Computer and Mathematical 369 $117,835.00
Architecture and Engineering 266 $170,882.00
Life, Physical, and Social Science 154 $58,194.00
Community and Social Service 84 $51,875.00
Legal 226 $119,958.00
Educational and Library 359 $57,241.00
Arts, Design, Entertainment, Sports, and Media 337 $61,490.00
Healthcare Practitioners 331 $86,806.00
Healthcare Support 138 $27,035.00
Firefighters and Protective Service 93 $112,411.00
Law Enforcement 48 $0.00
Food Preparation and Serving 137 $2,499.00
Building and Grounds Cleaning 0 $0.00
Personal Care and Service 134 $5,192.00
Sales 1,055 $103,234.00
Office and Administrative Support 570 $39,085.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 83 $35,515.00
Installation, Maintenance, and Repair 86 $62,727.00
Production 91 $32,370.00
Transportation and Material Moving 101 $108,018.00

Occupations by Gender

Now we can also look at the occupations by category for 91377 when it is broken down by male and female.

This lets us see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings for 91377.

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 605 $131,464.00 358 $101,500.00
Business and Financial 385 $123,688.00 359 $98,681.00
Computer and Mathematical 272 $121,250.00 97 $72,148.00
Architecture and Engineering 234 $170,882.00 32 $193,750.00
Life, Physical, and Social Science 93 $34,325.00 61 $107,583.00
Community and Social Service 33 $0.00 51 $38,558.00
Legal 217 $119,767.00 9 $0.00
Educational and Library 70 $0.00 289 $56,108.00
Arts, Design, Entertainment, Sports, and Media 212 $76,818.00 125 $11,318.00
Healthcare Practitioners 93 $122,802.00 238 $49,118.00
Healthcare Support 13 $0.00 125 $27,064.00
Firefighters and Protective Service 93 $112,411.00 0 $0.00
Law Enforcement 18 $0.00 30 $0.00
Food Preparation and Serving 32 $0.00 105 $2,499.00
Building and Grounds Cleaning 0 $0.00 0 $0.00
Personal Care and Service 129 $5,288.00 5 $0.00
Sales 457 $200,042.00 598 $90,865.00
Office and Administrative Support 143 $45,417.00 427 $38,018.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 83 $35,515.00 0 $0.00
Installation, Maintenance, and Repair 86 $62,727.00 0 $0.00
Production 43 $80,580.00 48 $0.00
Transportation and Material Moving 101 $108,018.00 0 $0.00

Households and Family Size

A household is defined by the US Census Bureau as 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 5,018 households in 91377, with an average household size of 2.7 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 3,478 families living in the 91377 zip code with an average family size of 3.3 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, that live in 91377:

Married Male Female Nonfamily
Total Households 3,106 85 287 1,540
Average Household Size 3.44 2.65 2.62 1.23
Total Families 3,106 85 287 0
Average Household Size 3.39 2.65 2.55 0

Poverty

Of the 3,478 families living in 91377, 3.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in 91377:

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 5,221 housing units in 91377.

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

Total Percentage
Occupied 5,018 96.11%
Vacant 203 3.89%

26.66% of the total 5,221 housing units in 91377 are rental units. This is approximately 1,392 properties.

For owner-occupied housing units, a total of 3,589 are occupied by the owner - or 68.74% of the total.

Rental Rates

The median rent for a property in 91377 is $2,764.00.

In the chart below, we can look at the number of rental properties in 91377 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
    37
  • Less than $500
    0
  • $500 to $999
    0
  • $1,000 to $1,499
    97
  • $1,500 to $1,999
    14
  • $2,000 to $2,499
    356
  • $2,500 to $2,999
    434
  • $3,000 or more
    491

Property Value

The median value of a property in 91377 is $823,300.00.

Just like with rental rates, we can look at the number of properties in 91377 that fall into a particular value range.

  • Less than $50,000
    29
  • $50,000 to $99,999
    5
  • $100,000 to $149,999
    8
  • $150,000 to $199,999
    5
  • $200,000 to $299,999
    71
  • $300,000 to $499,999
    284
  • $500,000 to $999,999
    2,327
  • $1,000,000 or more
    860

Property Age

We can also look at the age of properties in 91377. The chart below shows the number of properties in 91377 that fall into a particular age range.

  • 1939 or earlier
    11
  • 1940 to 1949
    51
  • 1950 to 1959
    49
  • 1960 to 1969
    135
  • 1970 to 1979
    1,092
  • 1980 to 1989
    2,137
  • 1990 to 1999
    1,503
  • 2000 to 2009
    243
  • 2010 to 2013
    0
  • 2014 or later
    0

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 91377 that have a particular number of vehicles available.

  • No vehicles available
    186
  • 1 vehicle available
    1,478
  • 2 vehicles available
    2,224
  • 3 or more vehicles available
    1,130

Commuting to Work

In this section, we can also look at how people in 91377 get to work. The chart below shows the number of people in 91377 that commute to work in a particular way.

33.4 minutes is the average travel time to work for people in 91377.

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
    86
  • 5 to 9 minutes
    280
  • 10 to 14 minutes
    584
  • 15 to 19 minutes
    613
  • 20 to 24 minutes
    721
  • 25 to 29 minutes
    288
  • 30 to 34 minutes
    565
  • 35 to 39 minutes
    283
  • 40 to 44 minutes
    172
  • 45 to 59 minutes
    448
  • 60 to 89 minutes
    824
  • 90 or more minutes
    264

Summary

We've covered a LOT of demographic and population data for 91377 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.

States in 91377

If you want to see how the population and demographics of 91377 compare to other zip codes in California, check out the list of all California zip codes below: