Clayton, CA demographics:
population, income, and more

Total population
10,937
-0.2% year-over-year change
Median household income
$175,707/yr
2.0% year-over-year change
Housing units
3,990
0.4% year-over-year change

Clayton population

How many people live in Clayton

Clayton is home to 10,937 residents, according to the most recent Census data. Gender-wise, 49.4% of Clayton locals are male, and 50.6% are female.

Total population
10,937
-0.2% year-over-year change
Gender ratio
Male
49.4%
5,408
Female
50.6%
5,529
Value Percent YoY change
Male 5,408 49.4% -1.7%
Female 5,529 50.6% 1.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Clayton is 44, with the population distributed as follows: about 17.5% are children under 15, then 15.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.9% of the population, while another 31.2% fall into the 45 to 64 bracket. Finally, around 16.1% are 65 or older.

Median age
43.8
Age breakdown
Under 15
17.5%
15 to 24
15.2%
25 to 44
19.9%
45 to 64
31.2%
Over 65
16.1%
Value Percent YoY change
Under 15 1,917 17.5% 3.4%
15 to 24 1,668 15.2% -0.6%
25 to 44 2,179 19.9% 3.6%
45 to 64 3,409 31.2% -5.1%
Over 65 1,764 16.1% 1.7%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Clayton, 85.5% of the population are US-born citizens, while 11.6% have gained naturalized citizenship. At the same time, 2.9% of residents are non-citizens. As for race, 66.8% of locals are Caucasian, 0.6% are African American and 12.7% have Asian roots. There’s also a share of 17% that includes residents with two or more races.

Citizenship
U.S.-born citizens
85.5%
Non-U.S.-born citizens
11.6%
Non-citizens
2.9%
Value Percent YoY change
U.S.-born citizens 9,356 85.5% 0.8%
Non-U.S.-born citizens 1,265 11.6% 9.7%
Non-citizens 316 2.9% -39.9%
Racial breakdown
White
66.8%
Black or African American
0.6%
American Indian and Alaska Native
0.4%
Asian
12.7%
Native Hawaiian and other Pacific Islander
0%
Two or more races
17%
Other
2.5%
Value Percent
White 7,300 66.8%
Black or African American 69 0.6%
American Indian and Alaska Native 39 0.4%
Asian 1,387 12.7%
Two or more races 1,864 17%
Other 278 2.5%

Households in Clayton

A peek inside Clayton households

Clayton has 3,982 households, with an average of 3 members in each. Of these, 79% are families, while the remaining 21% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,982
0.4% year-over-year change
Average people per household
3
Non-family households
836
Family households
3,146
Value Percent YoY change
Non-family households 836 21% -1.3%
Family households 3,146 79% 0.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Clayton

The housing landscape of Clayton

Clayton's housing consists of 3,990 units, with 85.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 12.6% and offer a more compact, shared living style.

Housing units
3,990
0.4% year-over-year change
Housing types
Value Percent
1 unit, detached 3,424 85.8%
1 unit, attached 503 12.6%
2 units 20 0.5%
3 or 4 units 18 0.4%
20 to 49 units 8 0.2%
50 or more units 17 0.4%
Homes built since 2020
0
% year-over-year change

The age of buildings in Clayton

In Clayton, the median construction year is 1983. About 1.6% of homes were built before the 1940s, with another 0.4% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 66 1.6% -17.5%
Built between 1940 and 1949 17 0.4% N/A
Built between 1950 and 1959 185 4.6% 15.6%
Built between 1960 and 1969 357 9% -6.3%
Built between 1970 and 1979 1,174 29.4% 4.9%
Built between 1980 and 1989 571 14.3% -1.0%
Built between 1990 and 1999 1,330 33.3% -4.5%
Built between 2000 and 2009 267 6.7% 5.1%
Built between 2010 and 2019 23 0.6% 109.1%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Clayton occupancy rates

Out of the 3,982 occupied housing units in Clayton, 89.2% are owner-occupied, while 10.8% are lived in by tenants. Meanwhile, 0.2% of all homes on the local market sit vacant.

Occupied housing units
3,982
0.4% year-over-year change
Occupancy breakdown
Renter occupied
429
Owner occupied
3,553
Value Percent YoY
change
Renter occupied 429 10.8% 11.4%
Owner occupied 3,553 89.2% -0.8%
Unoccupied housing units
0.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Clayton housing costs

Housing costs in Clayton come to a median of $3,332 per month, while tenants specifically pay a median gross rent of $3,501.

Median housing costs per month
$3,332/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Clayton
$3,501/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Clayton

Clayton education at a glance

About 15.5% of the population in Clayton went to high school, while 21% pursued college studies. Another 9.7% earned an associate degree and 38% hold a bachelor’s. Meanwhile, 15.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 26 0.3% -10.3%
High school diploma 1,293 15.5% -4.4%
College diploma 1,755 21% -2.6%
Associate degree 809 9.7% 1.4%
Bachelor's degree 3,176 38% 3.2%
Graduate degree 1,293 15.5% -7.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Clayton

How much people earn in Clayton

The average annual household income in Clayton was $207,457 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.3% change from the previous year. At the same time, the median income stood at $175,707, reflecting a +2% shift over the same period.

Average household income in Clayton
$207,457/year
3.3% year-over-year change
Median household income in Clayton
$175,707/year
2.0% year-over-year change

Clayton income by age

In Clayton, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $228,452. Those with someone between 45 and 64 in charge, often well established professionally, earn $176,301 overall. Overall, 97.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $228,452 2.2%
45 - 64 $176,301 -1.9%
Over 65 $114,148 4.5%
Above poverty level
10,635
Below poverty level
272
Value Percent YoY
change
Above poverty level 10,635 97.5% -0.2%
Below poverty level 272 2.5% 15.2%

Average renter income in Clayton

To get a better sense of what renters earn on average in Clayton, their median household income was $155,041 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 27.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$155,041
Rent-to-income ratio
27.1%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Clayton

Workforce and job types in Clayton

The job market in Clayton is powered by 5,239 working residents, spread across a range of industries and roles. 87.6% of the working population are employed in professional or administrative positions, while 12.4% are in hands-on or service-based jobs. Also, 15.8% run their own businesses, 57.8% are employed by private companies, and 14.4% work in the public sector.

Workforce demographics

Working population
5,239
1.4% year-over-year change
White collar
4,587
Blue collar
652
Value Percent YoY change
White collar 4,587 87.6% 0.6%
Blue collar 652 12.4% 7.1%
Employer type
Self employees
15.8%
Private companies
57.8%
Governmental workers
14.4%
Not for profit companies
12%
Value Percent YoY change
Self employees 830 15.8% 10.2%
Private companies 3,027 57.8% 1.3%
Governmental workers 754 14.4% -2.5%
Not for profit companies 628 12% -3.7%
Unemployment rate
6.8%
-1.8% year-over-year change

Available workforce

The unemployment rate in Clayton stands at 6.8%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Clayton

How people get around in Clayton

In Clayton, the average commute time is 36 minutes. Commuting methods vary: 72.6% of residents travel by personal vehicle and 1.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
36 min
Means of transportation
Value Percent YoY change
Car 3,602 72.6% -0.3%
Subway or elevated 37 0.8% N/A
Railroad 37 0.8% 270.0%
Motorcycle 72 1.4% 242.9%
Bicycle 17 0.3% -10.5%
Walk 89 1.8% -22.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Clayton by zipcode?

Zipcode Population Number of households Median income Average income
94517 12,316 4,511 $168,921 $199,111

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FAQs about Clayton demographics 

What is the total population of Clayton?

Clayton has a total population of 10,937 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.2% compared to a year ago.

What is the gender ratio in Clayton?

The gender ratio in Clayton is as follows:
  • 49.4% males (5,408 residents)
  • 50.6% females (5,529 residents)

What is the median age in Clayton?

The median age in Clayton is 43.8.

What is the age distribution of the population in Clayton?

The age distribution in Clayton is as follows:
  • Under 15: 17.5% (1,917 residents)
  • Ages 15-24: 15.2% (1,668 residents)
  • Ages 25-44: 19.9% (2,179 residents)
  • Ages 45-64: 31.2% (3,409 residents)
  • Over 65: 16.1% (1,764 residents)

What is the racial and ethnic makeup of Clayton?

The racial and ethnic makeup of Clayton is as follows:
  • White: 66.8% (7,300 residents)
  • Black or African American: 0.6% (69 residents)
  • American Indian and Alaska Native: 0.4% (39 residents)
  • Asian: 12.7% (1,387 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 17% (1,864 residents)
  • Other: 2.5% (278 residents)

What percentage of the population in Clayton are U.S.-born citizens?

U.S.-born citizens represent 85.5% of the population in Clayton.

How many housing units are there in Clayton?

There are 3,990 housing units in Clayton, reflecting a +0.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Clayton and what is the average household size?

Clayton has a total of 3,982 households, with an average of 3 people in each.

What is the median household income in Clayton?

Clayton has a median household income of $175,707, representing a +2.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Clayton?

The employment rate is 93.2% in Clayton, with a workforce of 5,239 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87.6% (4,587 residents)
  • Blue-collar workers: 12.4% (652 residents)

Places of employment:
  • Self-employed: 15.8% (830 residents)
  • Private companies: 57.8% (3,027 residents)
  • Governmental workers: 14.4% (754 residents)
  • Not-for-profit companies: 12% (628 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025