98320 ZIP Code — Brinnon, WA

Jefferson County, Washington

ZIP code 98320 is located in Brinnon, Washington, within Jefferson County. It covers approximately 136.82 square miles and serves a population of 1,483 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 360/564.

About ZIP code 98320

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $235,100. Owner-occupancy is high at 83%, well above the national average.

Median household income is $52,045. 60% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 43 minutes suggests many residents work outside the immediate area.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 20% of civilians, above the national average of 7%; and disability rates above the national average at 36%.

Overall, ZIP code 98320 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,483
population
136.82
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98320 ZIP code map
Cities in ZIP code 98320

Below are the cities the US Postal Service accepts for ZIP code 98320. Using any city not on this list may result in mail delivery delays.

City Status
Brinnon Preferred
Nearby ZIP codes
98555 Lilliwaup (14.2 mi) 98376 Quilcene (16.9 mi) 98380 Seabeck (17.1 mi)
Demographics updated 05/2026
Population
Total population 1,483
Population density 11 / sq mi
State FIPS 53
County FIPS 031
Geography
Land area 136.82 sq mi
Water area 1.62 sq mi
Latitude 47.7390
Longitude -123.1709
Timezone Pacific (PT)
Area code 360/564
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 47.7% 40.1% 31.7%
$50k – $100k 37.3% 32.8% 30.6%
$100k – $200k 13.1% 21.2% 27.1%
Over $200k 1.9% 5.8% 10.6%

Demographics & statistics

1,483
Population
11
People per sq mi
56.2
Median age
$52,045
Median household income
$31,033
Per capita income
$235,100
Median home value
$959
Median monthly rent
82.8%
Home ownership
11.9%
Poverty rate
10.0%
Unemployment
1,220
Housing units
16.9%
Bachelor's or higher

Age distribution

Male Female
21
Under 5
18
66
5–9
59
38
10–14
33
5
15–19
5
6
20–24
6
40
25–34
36
75
35–44
66
136
45–54
121
27
55–59
25
60
60–64
53
213
65–74
189
58
75–84
52
40
85+
35
← Male
Female →

Age summary

GroupCount%
Under 1824016.2%
18 and over1,24383.8%
65 and over58739.6%
Median age56.2 years

Race & ethnicity

White 79.3%
Two or more races 10%
American Indian / Alaska Native 6.1%
Hispanic or Latino 2.8%
Other race 1%
Asian 0.8%
GroupCount%
White1,21079.3%
Two or more races15310%
American Indian / Alaska Native936.1%
Hispanic or Latino432.8%
Other race151%
Asian120.8%

Household income

Income range This ZIP County avg State avg
Under $50k 47.7% 40.1% 31.7%
$50k – $100k 37.3% 32.8% 30.6%
$100k – $200k 13.1% 21.2% 27.1%
Over $200k 1.9% 5.8% 10.6%
Under $10k 9.6%
$10k–$15k 3.6%
$15k–$25k 5.4%
$25k–$35k 13.0%
$35k–$50k 17.1%
$50k–$75k 20.6%
$75k–$100k 16.3%
$100k–$150k 8.5%
$150k–$200k 2.8%
$200k+ 3.2%
Range% of households
Under $10k9.6%
$10k–$15k3.6%
$15k–$25k5.4%
$25k–$35k13.0%
$35k–$50k17.1%
$50k–$75k20.6%
$75k–$100k16.3%
$100k–$150k8.5%
$150k–$200k2.8%
$200k+3.2%
Median income$52,045

Housing

Home values

Under $50k 2.5%
$50k–$100k 9.2%
$100k–$150k 13.9%
$150k–$200k 15.3%
$200k–$300k 18.3%
$300k–$500k 25.4%
$500k–$1M 8.8%
$1M+ 6.7%

Housing overview

MetricValue
Median home value$235,100
Median rent / month$959
Owner occupied82.8%
Renter occupied17.2%
Vacant48.7%
Single-family detached67.4%
Large apartment buildings0.0%
Mobile homes29.5%
Median rooms4.7
Avg household size (owned)2.13

Year built

Era%
2020 or later0.6%
2010–20197.7%
2000–20098.0%
1990–199915.8%
1980–198922.8%
1970–197920.9%
1960–196912.9%
1950–19595.4%
1940–19490.2%
1939 or earlier5.8%

Bedrooms

Size% of units
No bedroom (studio)3.6%
1 bedroom17.3%
2 bedrooms51.9%
3 bedrooms23.7%
4 bedrooms3.6%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle1.6%
1 vehicle33.8%
2 vehicles34.8%
3 or more29.7%

Heating fuel

Fuel type%
Utility gas1.9%
Electricity58.9%
Propane / LP gas12.0%
Wood24.9%
No fuel used2.3%

Households & families

Household typeCount%
Married-couple family31345.6%
Cohabiting couple456.6%
Male householder, no spouse10715.6%
Female householder, no spouse22132.2%
Households with children under 1812518.2%
Households with seniors (65+)37053.9%
Average household size2.16

Marital status

StatusMaleFemale
Never married12.9%17.6%
Married53.1%56.1%
Separated12.1%1.9%
Widowed4.3%15.5%
Divorced17.7%8.9%

Education

Less than 9th grade 0.0%
Some HS, no diploma 4.2%
HS graduate 33.5%
Some college, no degree 33.6%
Associate's degree 11.8%
Bachelor's degree 9.5%
Graduate / professional 7.4%
Metric%
HS diploma or higher95.8%
Bachelor's or higher16.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool247.7%
Kindergarten5417.3%
Elementary school13041.7%
High school51.6%
College / grad school9931.7%

Employment

Industry of employment

Education & healthcare 21.6%
Retail trade 14.4%
Manufacturing 11.9%
Agriculture & mining 11.1%
Transportation & utilities 8.2%
Arts, food & hospitality 7.5%
Construction 6.7%
Professional & management 6.2%
Public administration 5.2%
Other services 2.3%
Wholesale trade 2.1%
Finance & real estate 2.1%
Information 0.8%

Occupation

Category%
Management, business & arts26.8%
Service22.9%
Sales & office21.9%
Natural resources & construction12.6%
Production & transportation15.7%

Employment type

Type%
Private sector62.4%
Government25.0%
Self-employed12.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone76.5%
Carpool9.5%
Public transit3.4%
Walk0.0%
Work from home10.3%
Other means0.3%
Avg commute (minutes)43.4

Poverty

All people 11.9%
Under 18 years 21.3%
18 and over 10.1%
Married-couple families 0.0%
Female-led households 49.2%

Income support

Source% of households
Social Security59.6%
Retirement income43.3%
Supplemental Security4.4%
Cash public assistance0.3%
Food stamps / SNAP12.1%

Health indicators

Condition%
Obesity29.6%
High blood pressure42.3%
High cholesterol40.2%
Diabetes14.9%
Heart disease11.1%
Stroke5.2%
Asthma11.3%
Arthritis38.4%
Kidney disease4.7%
Pulmonary disease11.3%
Cancer10.3%
Behavior / access%
Smoking18.7%
Binge drinking12.7%
No physical activity22.2%
Less than 7 hrs sleep30.3%
Depression25.8%
Fair or poor health20.8%
Poor mental health14.2%
Poor physical health15.6%
No health insurance10.4%
Visited doctor (checkup)71.6%
Visited dentist60.0%
Cholesterol screening91.4%
Teeth loss15.6%

Veterans & disability

VeteransCount%
Civilian veterans25420.4%
Disability%
Any disability35.5%
Under 183.8%
18–64 years29.3%
65 and over55.4%

Health insurance coverage

Type%
Private insurance45.9%
Public insurance75.1%
No insurance3.6%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,44497.4%
Spanish90.6%
Other Indo-European90.6%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,45698.2%
Born in same state1,43997.0%
Born in different state70347.4%
Foreign born171.1%
Naturalized citizen271.8%
Not a US citizen1140.7%

Ancestry

AncestryCount%
French27318.4%
Italian25717.3%
Polish1016.8%
English835.6%
AncestryCount%
Arab181.2%
Dutch40.3%
Norwegian30.2%

Technology access

Metric% of households
Computer access46.3%
Internet access92.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 98320

What city is ZIP code 98320 in?

ZIP code 98320 is primarily assigned to Brinnon, Washington.

What county is ZIP code 98320 in?

ZIP code 98320 falls within Jefferson County, Washington.

Does ZIP code 98320 have an older population?

40% of residents in ZIP code 98320 are 65 or older, above the national average of ~17%.

Does ZIP code 98320 have a large retiree population?

60% of households in ZIP code 98320 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 98320 have a large veteran population?

20% of civilians in ZIP code 98320 are veterans, above the national average of ~7%.

Is ZIP code 98320 mostly owner-occupied?

83% of occupied units in ZIP code 98320 are owner-occupied, well above the national average.

What timezone is ZIP code 98320 in?

ZIP code 98320 observes the PST timezone.

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