94931 Zip Code

Below you will find a comprehensive overview of the statistics and characteristics of the 94931 zip code. These include population demographics, economic characteristics, education data, occupation information, housing characteristics, and more.

Key Information:
StateCalifornia
CityCotati
Time ZoneAmerica/Los_Angeles
Geo Location38.32462, -122.71597
Population8966
Size16.453 square miles
Median Family Income$119839.00
Median Home Value$663100.00

Population & Demographics

The following information lists the population statistics and breakdown for the 94931 zip code. The total population is 8966, of which, 4204 are male and 4762 are female. With a total area of 16.453 square miles, the population density is 542.5 people per square mile. The median age of the population is 39.3 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
20118601
20128578
20138646
20148570
20158442
20168436
20178462
20188601
20198926
20209097
20218966

Age BracketNumber of PeoplePercentage of Population
Under 5 years old 5646.3%
Age 5-96247%
Age 10-143433.8%
Age 15-192542.8%
Age 20-247958.9
Age 25-295586.2%
Age 30-346877.7%
Age 35-397938.8%
Age 40-44568 6.3%
Age 45-495295.9%
Age 50-544394.9%
Age 55-596617.4%
Age 60-647007.8%
Age 65-694615.1%
Age 70-743864.3%
Age 75-792582.9%
Age 80-841982.2%
Age 85 and over1481.7%


Languages Spoken (of those 5 years of age and older) :
  • Speaks Language other than English: 14.5 %
  • Speaks Spanish: 11 %
  • Speaks Other Indo-European Language: 2 %
  • Speaks Pacific Island Languages: 1.1 %
  • Speak Other Languages: 0.3 %
Marital Status: 
  • Currently Married: 50.9 %
  • Divorced: 13.4 %
  • Separated (not divorced): 0.5 %
  • Never Married: 30.5 %

Income & Economic Characteristics

The median inflation-adjusted family income in the 94931 zip code is $119839. This is 35.41% greater than the national average. This income places 8.8% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $34124. 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 $10,000.007
$10,000.00 – $14,999.0055
$15,000.00 – $24,999.0033
$25,000.00 – $34,999.0061
$35,000.00 – $49,999.00100
$50,000.00 – $74,999.00252
$75,000.00 – $99,999.00326
$100,000.00 – $149,999.00595
$150,000.00 – $199,999,00276
$200,000.00 +361

YearMedian Family Income ($ USD)
201181293
201275536
201379088
201479622
201582523
201683549
201792664
201897438
201996151
202099867
2021119839

Income Source# of Households
Wage or Salary2809
Self Employment502
Social Security1110
Dividends, Interest, or Rental1048
Retirement796
Other390

Total Insured & Uninsured Individuals: 
  • Families Insure: 8717
  • Families Uninsured: 247
Total Individuals with and w/o retirement income:   
  • Yes retirement income: 796
  • No retirement income: 2743

Education

In the 94931 zip code, 94.9% of individuals over 25 years old have a high school degree or higher, and 34.7% have a bachelors degree or higher. Additionally, 9.5% of individuals 3 years and older are in private school, and 90.5% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.




Occupation and Work Characteristics

In the 94931 zip, there are an estimated 5189 people in the labor force, of which, 4979 are employed, and 210 are unemployed. There are a total of 0 people in the armed forces. The average commute time for this zip code is 30.7 minutes. Of the total people that work, 494 worked from home and 4884 commuted. The average number of hours worked is 39. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.

Occupation# of Individual
Management, Business, Science, and Arts2062
Services872
Sales and Office920
Construction and Maintenance:553
Transportation and Material Moving572





Housing

The median home value for the 94931 zip code is 663100. There is an estimated  3539 number of occupied housing units, the median gross rent in is $1568 per month, and the average monthly housing costs are estimated to be $1885. Below you’ll find additional breakdowns of home values, rents, home build years, and more.

Home Value (USD)Number of Homes
Less than $50,00037
$50,000 – $99,00066
$100,000 – $149,99920
$150,000 – $199,99942
$200,000 – $299,99948
$300,000 – $499,999396
$500,000 – $999,9991104
$1,000,000+399

Home Year BuiltNumber of Homes
2020 or Later0
2010 – 201968
2000 – 2009442
1980 – 19991379
1960 – 19791033
1940 – 1959513
1939 or earlier104

The median number of rooms in all housing units is 5.1 rooms.
Monthly Rent ($ USD)Number of Units
Less than $500300
$500 – $99943
$1,000 – $1,499288
$1,500 – $1,999254
$2,000 – $2,499239
$2,499 – $2,99961
$3,000 + 146

Monthly Housing Costs ($)Number of Households
Less than 300127
300-499201
500-799214
800-999224
1000-1499485
1500-1999568
2000-2499604
2500-2999314
3000+706

Monthly Housing Cost as a % of Monthly IncomeNumber of Households
Less than 20%454
20%-24.9%260
25%-29.9%298
30%-34.9%92
35+%442



# of VehiclesHouseholds
None56
1992
21479
3+1012
Home Heating Characteristics: 
  • Utility Gas: 68.4 %
  • Bottle Tank or LP Gas: 2.6 %
  • Electricity: 22.2 %
  • Oil or Kerosene etc: 0 %
  • Coal or Coke: 0 %
  • All Other: 6.4 %

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