Williamson, AZ demographics:
population, income, and more

Total population
6,310
3.2% year-over-year change
Median household income
$89,398/yr
0.3% year-over-year change
Housing units
3,304
1.6% year-over-year change

Williamson population

How many people live in Williamson

Williamson is home to 6,310 residents, according to the most recent Census data. Gender-wise, 48.9% of Williamson locals are male, and 51.1% are female.

Total population
6,310
3.2% year-over-year change
Gender ratio
Male
48.9%
3,088
Female
51.1%
3,222
Value Percent YoY change
Male 3,088 48.9% 5.5%
Female 3,222 51.1% 1.2%
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 Williamson is 66, with the population distributed as follows: about 5.7% are children under 15, then 3.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 9% of the population, while another 27.8% fall into the 45 to 64 bracket. Finally, around 53.7% are 65 or older.

Median age
66
Age breakdown
Under 15
5.7%
15 to 24
3.7%
25 to 44
9%
45 to 64
27.8%
Over 65
53.7%
Value Percent YoY change
Under 15 362 5.7% 24.8%
15 to 24 235 3.7% -13.3%
25 to 44 571 9% 91.6%
45 to 64 1,751 27.8% -9.6%
Over 65 3,391 53.7% 2.2%
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 Williamson, 92.2% of the population are US-born citizens, while 6.2% have gained naturalized citizenship. At the same time, 1.6% of residents are non-citizens. As for race, 88.2% of locals are Caucasian, 0.2% are African American and 1.1% have Asian roots. There’s also a share of 9.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.2%
Non-U.S.-born citizens
6.2%
Non-citizens
1.6%
Value Percent YoY change
U.S.-born citizens 5,820 92.2% 2.6%
Non-U.S.-born citizens 388 6.2% 8.1%
Non-citizens 102 1.6% 27.5%
Racial breakdown
White
88.2%
Black or African American
0.2%
American Indian and Alaska Native
0.2%
Asian
1.1%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9.8%
Other
0.7%
Value Percent
White 5,563 88.2%
Black or African American 11 0.2%
American Indian and Alaska Native 10 0.2%
Asian 67 1.1%
Two or more races 615 9.8%
Other 44 0.7%

Households in Williamson

A peek inside Williamson households

Williamson has 3,006 households, with an average of 2 members in each. Of these, 76.6% are families, while the remaining 23.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,006
2.2% year-over-year change
Average people per household
2
Non-family households
703
Family households
2,303
Value Percent YoY change
Non-family households 703 23.4% 0.9%
Family households 2,303 76.6% 2.6%
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 Williamson

The housing landscape of Williamson

Williamson's housing consists of 3,304 units, with 95.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4.2% of the housing landscape.

Housing units
3,304
1.6% year-over-year change
Housing types
Value Percent
1 unit, detached 3,145 95.2%
1 unit, attached 20 0.6%
Mobile home 139 4.2%
Homes built since 2020
130
51.2% year-over-year change

The age of buildings in Williamson

In Williamson, the median construction year is 1998. Most development happened in the second half of the 20th century. Then, 31.6% of homes were added from 2000 to 2009, 10.1% between 2010 and 2019, and 3.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 23 0.7% -4.2%
Built between 1950 and 1959 15 0.4% -6.2%
Built between 1960 and 1969 128 3.9% 80.3%
Built between 1970 and 1979 307 9.3% -26.6%
Built between 1980 and 1989 385 11.6% 6.7%
Built between 1990 and 1999 939 28.4% 7.9%
Built between 2000 and 2009 1,044 31.6% -10.2%
Built between 2010 and 2019 333 10.1% 37.6%
Built in 2020 or later 130 3.9% 51.2%
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.

Williamson occupancy rates

Out of the 3,006 occupied housing units in Williamson, 92.1% are owner-occupied, while 7.9% are lived in by tenants. Meanwhile, 9% of all homes on the local market sit vacant.

Occupied housing units
3,006
2.2% year-over-year change
Occupancy breakdown
Renter occupied
238
Owner occupied
2,768
Value Percent YoY
change
Renter occupied 238 7.9% 53.5%
Owner occupied 2,768 92.1% -0.7%
Unoccupied housing units
9.0%
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.

Williamson housing costs

Housing costs in Williamson come to a median of $1,192 per month, while tenants specifically pay a median gross rent of $1,142.

Median housing costs per month
$1,192/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 Williamson
$1,142/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 Williamson

Williamson education at a glance

About 14.1% of the population in Williamson went to high school, while 22% pursued college studies. Another 13.9% earned an associate degree and 31.5% hold a bachelor’s. Meanwhile, 16.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 106 1.8% 430.0%
High school diploma 820 14.1% -3.5%
College diploma 1,279 22% -2.0%
Associate degree 811 13.9% -4.5%
Bachelor's degree 1,832 31.5% 8.5%
Graduate degree 974 16.7% -2.8%
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 Williamson

How much people earn in Williamson

The average annual household income in Williamson was $118,005 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -5% change from the previous year. At the same time, the median income stood at $89,398, reflecting a +0.4% shift over the same period.

Average household income in Williamson
$118,005/year
-5.0% year-over-year change
Median household income in Williamson
$89,398/year
0.3% year-over-year change

Williamson income by age

In Williamson, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $103,839. Those with someone between 45 and 64 in charge, often well established professionally, earn $99,604 overall. Overall, 94.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $103,839 N/A
45 - 64 $99,604 4.5%
Over 65 $77,500 -9.3%
Above poverty level
5,948
Below poverty level
362
Value Percent YoY
change
Above poverty level 5,948 94.3% 1.1%
Below poverty level 362 5.7% 62.3%

Employment in Williamson

Workforce and job types in Williamson

The job market in Williamson is powered by 1,808 working residents, spread across a range of industries and roles. 86.2% of the working population are employed in professional or administrative positions, while 13.8% are in hands-on or service-based jobs. Also, 26.1% run their own businesses, 51.8% are employed by private companies, and 15.5% work in the public sector.

Workforce demographics

Working population
1,808
-1.4% year-over-year change
White collar
1,558
Blue collar
250
Value Percent YoY change
White collar 1,558 86.2% -2.5%
Blue collar 250 13.8% 6.4%
Employer type
Self employees
26.1%
Private companies
51.8%
Governmental workers
15.5%
Not for profit companies
6.5%
Value Percent YoY change
Self employees 472 26.1% 12.4%
Private companies 937 51.8% -5.5%
Governmental workers 281 15.5% -2.4%
Not for profit companies 118 6.5% -11.3%
Unemployment rate
4.2%
33.3% year-over-year change

Available workforce

The unemployment rate in Williamson stands at 4.2%, 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 Williamson

How people get around in Williamson

Commuting methods vary: 60.2% of residents travel by personal vehicle and 0.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,054 60.2% -12.2%
Motorcycle 9 0.5% -18.2%
Walk 13 0.7% N/A
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.

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FAQs about Williamson demographics 

What is the total population of Williamson?

Williamson has a total population of 6,310 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 +3.2% compared to a year ago.

What is the gender ratio in Williamson?

The gender ratio in Williamson is as follows:
  • 48.9% males (3,088 residents)
  • 51.1% females (3,222 residents)

What is the median age in Williamson?

The median age in Williamson is 66.

What is the age distribution of the population in Williamson?

The age distribution in Williamson is as follows:
  • Under 15: 5.7% (362 residents)
  • Ages 15-24: 3.7% (235 residents)
  • Ages 25-44: 9% (571 residents)
  • Ages 45-64: 27.8% (1,751 residents)
  • Over 65: 53.7% (3,391 residents)

What is the racial and ethnic makeup of Williamson?

The racial and ethnic makeup of Williamson is as follows:
  • White: 88.2% (5,563 residents)
  • Black or African American: 0.2% (11 residents)
  • American Indian and Alaska Native: 0.2% (10 residents)
  • Asian: 1.1% (67 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 9.8% (615 residents)
  • Other: 0.7% (44 residents)

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

U.S.-born citizens represent 92.2% of the population in Williamson.

How many housing units are there in Williamson?

There are 3,304 housing units in Williamson, reflecting a +1.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Williamson has a total of 3,006 households, with an average of 2 people in each.

What is the median household income in Williamson?

Williamson has a median household income of $89,398, representing a +0.3% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 95.8% in Williamson, with a workforce of 1,808 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 86.2% (1,558 residents)
  • Blue-collar workers: 13.8% (250 residents)

Places of employment:
  • Self-employed: 26.1% (472 residents)
  • Private companies: 51.8% (937 residents)
  • Governmental workers: 15.5% (281 residents)
  • Not-for-profit companies: 6.5% (118 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