Sumner, WA demographics:
population, income, and more

Total population
10,733
0.6% year-over-year change
Median household income
$98,191/yr
-0.2% year-over-year change
Housing units
4,630
3.5% year-over-year change

Sumner population

How many people live in Sumner

Sumner is home to 10,733 residents, according to the most recent Census data. Gender-wise, 48.7% of Sumner locals are male, and 51.3% are female.

Total population
10,733
0.6% year-over-year change
Gender ratio
Male
48.7%
5,230
Female
51.3%
5,503
Value Percent YoY change
Male 5,230 48.7% 2.2%
Female 5,503 51.3% -1.0%
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 Sumner is 38, with the population distributed as follows: about 18.8% are children under 15, then 10.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 29.1% of the population, while another 25.4% fall into the 45 to 64 bracket. Finally, around 16.1% are 65 or older.

Median age
37.6
Age breakdown
Under 15
18.8%
15 to 24
10.6%
25 to 44
29.1%
45 to 64
25.4%
Over 65
16.1%
Value Percent YoY change
Under 15 2,021 18.8% -2.1%
15 to 24 1,142 10.6% 8.1%
25 to 44 3,119 29.1% -9.2%
45 to 64 2,721 25.4% 4.0%
Over 65 1,730 16.1% 15.0%
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 Sumner, 88.4% of the population are US-born citizens, while 4.7% have gained naturalized citizenship. At the same time, 6.9% of residents are non-citizens. As for race, 75.5% of locals are Caucasian, 0.4% are African American and 0.6% have Asian roots. Another 4.3% are Indigenous American, 0.1% are Pacific Islanders, while 7.1% identify as another race. There’s also a share of 11.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
88.4%
Non-U.S.-born citizens
4.7%
Non-citizens
6.9%
Value Percent YoY change
U.S.-born citizens 9,483 88.4% -1.5%
Non-U.S.-born citizens 506 4.7% 6.1%
Non-citizens 744 6.9% 30.8%
Racial breakdown
White
75.5%
Black or African American
0.4%
American Indian and Alaska Native
4.3%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
11.9%
Other
7.1%
Value Percent
White 8,108 75.5%
Black or African American 46 0.4%
American Indian and Alaska Native 465 4.3%
Asian 60 0.6%
Native Hawaiian and other Pacific Islander 9 0.1%
Two or more races 1,280 11.9%
Other 765 7.1%

Households in Sumner

A peek inside Sumner households

Sumner has 4,586 households, with an average of 2 members in each. Of these, 58.7% are families, while the remaining 41.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
4,586
5.8% year-over-year change
Average people per household
2
Non-family households
1,893
Family households
2,693
Value Percent YoY change
Non-family households 1,893 41.3% 13.7%
Family households 2,693 58.7% 0.9%
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 Sumner

The housing landscape of Sumner

Sumner's housing consists of 4,630 units, with 57.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8.5% 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 4.7% of the housing landscape.

Housing units
4,630
3.5% year-over-year change
Housing types
Value Percent
1 unit, detached 2,650 57.2%
1 unit, attached 395 8.5%
2 units 72 1.6%
3 or 4 units 494 10.7%
5 to 9 units 200 4.3%
10 to 19 units 342 7.4%
20 to 49 units 178 3.8%
50 or more units 83 1.8%
Mobile home 216 4.7%
Homes built since 2020
122
320.7% year-over-year change

The age of buildings in Sumner

In Sumner, the median construction year is 1989. About 12.6% of homes were built before the 1940s, with another 2.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 18.4% of homes were added from 2000 to 2009, 13.1% between 2010 and 2019, and 2.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 581 12.6% -7.5%
Built between 1940 and 1949 128 2.8% -9.9%
Built between 1950 and 1959 424 9.2% 18.8%
Built between 1960 and 1969 241 5.2% 14.8%
Built between 1970 and 1979 407 8.8% 2.8%
Built between 1980 and 1989 587 12.7% 14.7%
Built between 1990 and 1999 683 14.8% -19.6%
Built between 2000 and 2009 852 18.4% 6.9%
Built between 2010 and 2019 605 13.1% 9.0%
Built in 2020 or later 122 2.6% 320.7%
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.

Sumner occupancy rates

Out of the 4,586 occupied housing units in Sumner, 54.4% are owner-occupied, while 45.6% are lived in by tenants. Meanwhile, 1% of all homes on the local market sit vacant.

Occupied housing units
4,586
5.8% year-over-year change
Occupancy breakdown
Renter occupied
2,091
Owner occupied
2,495
Value Percent YoY
change
Renter occupied 2,091 45.6% -3.9%
Owner occupied 2,495 54.4% 15.6%
Unoccupied housing units
1.0%
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.

Sumner housing costs

Housing costs in Sumner come to a median of $1,933 per month, while tenants specifically pay a median gross rent of $1,974.

Median housing costs per month
$1,933/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 Sumner
$1,974/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 Sumner

Sumner education at a glance

About 35.8% of the population in Sumner went to high school, while 23.1% pursued college studies. Another 13% earned an associate degree and 17.1% hold a bachelor’s. Meanwhile, 7.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 292 3.5% -14.6%
High school diploma 3,008 35.8% 7.6%
College diploma 1,941 23.1% -15.1%
Associate degree 1,094 13% 6.4%
Bachelor's degree 1,437 17.1% 13.9%
Graduate degree 637 7.6% 9.4%
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 Sumner

How much people earn in Sumner

The average annual household income in Sumner was $118,161 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4% change from the previous year. At the same time, the median income stood at $98,191, reflecting a -0.2% shift over the same period.

Average household income in Sumner
$118,161/year
4.0% year-over-year change
Median household income in Sumner
$98,191/year
-0.2% year-over-year change

Sumner income by age

In Sumner, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $101,520. Those with someone between 45 and 64 in charge, often well established professionally, earn $121,250 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $85,625, while those led by someone over 65, many of whom may be retired, have about $51,607 in earnings. Overall, 95% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $85,625 43.5%
25 - 44 $101,520 2.0%
45 - 64 $121,250 1.8%
Over 65 $51,607 -8.8%
Above poverty level
9,990
Below poverty level
521
Value Percent YoY
change
Above poverty level 9,990 95% 2.6%
Below poverty level 521 5% -30.9%

Average renter income in Sumner

To get a better sense of what renters earn on average in Sumner, their median household income was $72,969 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 32.5%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$72,969
Rent-to-income ratio
32.5%
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 Sumner

Workforce and job types in Sumner

The job market in Sumner is powered by 5,414 working residents, spread across a range of industries and roles. 72.8% of the working population are employed in professional or administrative positions, while 27.2% are in hands-on or service-based jobs. Also, 6.7% run their own businesses, 70.8% are employed by private companies, and 14.1% work in the public sector.

Workforce demographics

Working population
5,414
3.6% year-over-year change
White collar
3,939
Blue collar
1,475
Value Percent YoY change
White collar 3,939 72.8% 5.2%
Blue collar 1,475 27.2% -0.5%
Employer type
Self employees
6.7%
Private companies
70.8%
Governmental workers
14.1%
Not for profit companies
8.3%
Value Percent YoY change
Self employees 365 6.7% -21.7%
Private companies 3,833 70.8% 7.9%
Governmental workers 765 14.1% 3.2%
Not for profit companies 451 8.3% -3.2%
Unemployment rate
5.3%
-8.2% year-over-year change

Available workforce

The unemployment rate in Sumner stands at 5.3%, 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 Sumner

How people get around in Sumner

Commuting methods vary: 81% of residents travel by personal vehicle and 3.3% 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 4,316 81% 1.3%
Bus or trolleybus 10 0.2% -44.4%
Railroad 134 2.5% 123.3%
Walk 177 3.3% -25.9%
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 Sumner by zipcode?

Zipcode Population Number of households Median income Average income
98390 11,546 4,889 $97,795 $119,375

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FAQs about Sumner demographics 

What is the total population of Sumner?

Sumner has a total population of 10,733 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 +0.6% compared to a year ago.

What is the gender ratio in Sumner?

The gender ratio in Sumner is as follows:
  • 48.7% males (5,230 residents)
  • 51.3% females (5,503 residents)

What is the median age in Sumner?

The median age in Sumner is 37.6.

What is the age distribution of the population in Sumner?

The age distribution in Sumner is as follows:
  • Under 15: 18.8% (2,021 residents)
  • Ages 15-24: 10.6% (1,142 residents)
  • Ages 25-44: 29.1% (3,119 residents)
  • Ages 45-64: 25.4% (2,721 residents)
  • Over 65: 16.1% (1,730 residents)

What is the racial and ethnic makeup of Sumner?

The racial and ethnic makeup of Sumner is as follows:
  • White: 75.5% (8,108 residents)
  • Black or African American: 0.4% (46 residents)
  • American Indian and Alaska Native: 4.3% (465 residents)
  • Asian: 0.6% (60 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (9 residents)
  • Two or More Races: 11.9% (1,280 residents)
  • Other: 7.1% (765 residents)

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

U.S.-born citizens represent 88.4% of the population in Sumner.

How many housing units are there in Sumner?

There are 4,630 housing units in Sumner, reflecting a +3.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Sumner has a total of 4,586 households, with an average of 2 people in each.

What is the median household income in Sumner?

Sumner has a median household income of $98,191, representing a -0.2% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 94.7% in Sumner, with a workforce of 5,414 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 72.8% (3,939 residents)
  • Blue-collar workers: 27.2% (1,475 residents)

Places of employment:
  • Self-employed: 6.7% (365 residents)
  • Private companies: 70.8% (3,833 residents)
  • Governmental workers: 14.1% (765 residents)
  • Not-for-profit companies: 8.3% (451 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