98528 ZIP Code — Belfair, WA

Mason County, Washington

ZIP code 98528 is located in Belfair, Washington, within Mason County. It covers approximately 72.29 square miles and serves a population of 12,393 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 360/564.

About ZIP code 98528

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $351,000. Owner-occupancy is high at 78%, well above the national average.

Median household income is $80,747. The poverty rate of 6% is below the national average. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. An above-average commute of 38 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 18% of civilians, above the national average of 7%.

Overall, ZIP code 98528 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

12,393

population

72.29

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

98528 ZIP code map

Cities in ZIP code 98528

Below are the cities the US Postal Service accepts for ZIP code 98528. Using any city not on this list may result in mail delivery delays.

City	Status
Belfair	Preferred

Nearby ZIP codes

98588 Tahuya (4.1 mi) 98524 Allyn (5.9 mi) 98546 Grapeview (8.1 mi) 98380 Seabeck (8.8 mi) 98592 Union (10.3 mi) 98394 Vaughn (10.5 mi) 98329 Gig Harbor (10.8 mi) 98329 Gig Harbor (10.8 mi) 98312 Bremerton (12.4 mi) 98367 Port Orchard (13.1 mi) 98555 Lilliwaup (13.7 mi) 98548 Hoodsport (13.7 mi)

Demographics updated 06/2026

Population
Total population	12,393
Population density	171 / sq mi
State FIPS	53
County FIPS	045

Geography
Land area	72.29 sq mi
Water area	12.54 sq mi
Latitude	47.4393
Longitude	-122.9262
Timezone	Pacific (PT)
Area code	360/564

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.8%	39.4%	31.7%
$50k – $100k	37.3%	34.8%	30.6%
$100k – $200k	21.1%	22.6%	27.1%
Over $200k	2.8%	3.2%	10.6%

Demographics & statistics

12,393

Population

171

People per sq mi

44.2

Median age

$80,747

Median household income

$40,098

Per capita income

$351,000

Median home value

$943

Median monthly rent

77.8%

Home ownership

6.2%

Poverty rate

5.9%

Unemployment

4,502

Housing units

17.0%

Bachelor's or higher

Age distribution

Male Female

390

Under 5

335

435

5–9

373

353

10–14

303

318

15–19

273

381

20–24

326

1,032

25–34

885

501

35–44

429

884

45–54

758

507

55–59

434

551

60–64

473

904

65–74

775

235

75–84

202

181

85+

155

← Male

Female →

Age summary

Group	Count	%
Under 18	2,565	20.7%
18 and over	9,828	79.3%
65 and over	2,452	19.8%
Median age	44.2 years

Race & ethnicity

White 73.2%

Hispanic or Latino 8.9%

Other race 7.5%

Two or more races 5.5%

Asian 2.3%

Black or African American 1.8%

Native Hawaiian / Pacific Islander 0.5%

American Indian / Alaska Native 0.3%

Group	Count	%
White	9,957	73.2%
Hispanic or Latino	1,213	8.9%
Other race	1,023	7.5%
Two or more races	744	5.5%
Asian	314	2.3%
Black or African American	243	1.8%
Native Hawaiian / Pacific Islander	68	0.5%
American Indian / Alaska Native	44	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.8%	39.4%	31.7%
$50k – $100k	37.3%	34.8%	30.6%
$100k – $200k	21.1%	22.6%	27.1%
Over $200k	2.8%	3.2%	10.6%

Under $10k 2.5%

$10k–$15k 3.7%

$15k–$25k 4.2%

$25k–$35k 6.8%

$35k–$50k 3.7%

$50k–$75k 26.7%

$75k–$100k 13.4%

$100k–$150k 21.6%

$150k–$200k 8.9%

$200k+ 8.4%

Range	% of households
Under $10k	2.5%
$10k–$15k	3.7%
$15k–$25k	4.2%
$25k–$35k	6.8%
$35k–$50k	3.7%
$50k–$75k	26.7%
$75k–$100k	13.4%
$100k–$150k	21.6%
$150k–$200k	8.9%
$200k+	8.4%
Median income	$80,747

Housing

Home values

Under $50k 4.6%

$50k–$100k 1.4%

$100k–$150k 8.2%

$150k–$200k 4.4%

$200k–$300k 21.9%

$300k–$500k 36.2%

$500k–$1M 20.7%

$1M+ 2.6%

Housing overview

Metric	Value
Median home value	$351,000
Median rent / month	$943
Owner occupied	77.8%
Renter occupied	22.2%
Vacant	15.3%
Single-family detached	79.0%
Large apartment buildings	0.0%
Mobile homes	17.1%
Median rooms	5.3
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	0.1%
2010–2019	4.9%
2000–2009	15.3%
1990–1999	30.9%
1980–1989	14.0%
1970–1979	12.3%
1960–1969	8.5%
1950–1959	5.6%
1940–1949	7.0%
1939 or earlier	1.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	11.8%
2 bedrooms	25.8%
3 bedrooms	52.1%
4 bedrooms	8.2%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.7%
1 vehicle	20.6%
2 vehicles	35.7%
3 or more	39.0%

Heating fuel

Fuel type	%
Utility gas	6.6%
Electricity	74.4%
Propane / LP gas	8.8%
Fuel oil	0.3%
Wood	9.1%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	2,487	53.0%
Cohabiting couple	396	8.4%
Male householder, no spouse	1,030	21.9%
Female householder, no spouse	782	16.7%
Households with children under 18	1,295	27.6%
Households with seniors (65+)	1,607	34.2%
Average household size	2.58

Marital status

Status	Male	Female
Never married	34.4%	22.9%
Married	52.9%	56.0%
Separated	1.3%	0.4%
Widowed	0.8%	7.1%
Divorced	10.6%	13.6%

Education

Less than 9th grade 0.9%

Some HS, no diploma 5.7%

HS graduate 31.8%

Some college, no degree 25.2%

Associate's degree 19.3%

Bachelor's degree 12.8%

Graduate / professional 4.2%

Metric	%
HS diploma or higher	93.4%
Bachelor's or higher	17.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	93	4.1%
Kindergarten	97	4.3%
Elementary school	1,105	48.9%
High school	590	26.1%
College / grad school	376	16.6%

Employment

Industry of employment

Manufacturing 14.1%

Education & healthcare 13.9%

Professional & management 12.1%

Retail trade 11.7%

Public administration 10.9%

Arts, food & hospitality 8.5%

Transportation & utilities 7.2%

Finance & real estate 6.9%

Construction 5.2%

Agriculture & mining 4.2%

Other services 4.0%

Wholesale trade 0.9%

Information 0.3%

Occupation

Category	%
Management, business & arts	36.1%
Service	15.4%
Sales & office	17.9%
Natural resources & construction	20.8%
Production & transportation	9.8%

Employment type

Type	%
Private sector	55.6%
Government	34.3%
Self-employed	10.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.8%
Carpool	16.8%
Public transit	1.6%
Walk	1.5%
Work from home	6.3%
Other means	0.9%
Avg commute (minutes)	37.8

Poverty

All people 6.2%

Under 18 years 0.5%

18 and over 7.6%

Married-couple families 0.0%

Female-led households 10.9%

Income support

Source	% of households
Social Security	37.5%
Retirement income	32.3%
Supplemental Security	5.5%
Cash public assistance	2.3%
Food stamps / SNAP	10.3%

Health indicators

Condition	%
Obesity	33.4%
High blood pressure	33.2%
High cholesterol	33.5%
Diabetes	9.7%
Heart disease	6.5%
Stroke	3.1%
Asthma	11.1%
Arthritis	27.2%
Kidney disease	2.9%
Pulmonary disease	7.0%
Cancer	6.9%

Behavior / access	%
Smoking	17.8%
Binge drinking	16.6%
No physical activity	19.3%
Less than 7 hrs sleep	32.3%
Depression	27.6%
Fair or poor health	14.7%
Poor mental health	16.1%
Poor physical health	11.5%
No health insurance	11.1%
Visited doctor (checkup)	70.0%
Visited dentist	61.8%
Cholesterol screening	87.6%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,753	18.0%

Disability	%
Any disability	18.7%
Under 18	4.6%
18–64 years	16.1%
65 and over	40.7%

Health insurance coverage

Type	%
Private insurance	74.9%
Public insurance	40.6%
No insurance	6.6%
Uninsured under 19	2.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,668	94.1%
Spanish	466	4.0%
Other Indo-European	269	2.3%
Asian & Pacific Islander	73	0.6%
Other languages	124	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,694	94.4%
Born in same state	11,406	92.0%
Born in different state	7,057	56.9%
Foreign born	288	2.3%
Naturalized citizen	699	5.6%
Not a US citizen	378	54.1%

Ancestry

Ancestry	Count	%
French	1,396	11.3%
Polish	1,036	8.4%
Italian	1,015	8.2%
Arab	682	5.5%

Ancestry	Count	%
English	236	1.9%
Dutch	54	0.4%
Irish	22	0.2%
German	15	0.1%

Technology access

Metric	% of households
Computer access	37.9%
Internet access	93.7%

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

Frequently asked questions about ZIP code 98528

What city is ZIP code 98528 in?

ZIP code 98528 is primarily assigned to Belfair, Washington.

What county is ZIP code 98528 in?

ZIP code 98528 falls within Mason County, Washington.

Does ZIP code 98528 have a large veteran population?

18% of civilians in ZIP code 98528 are veterans, above the national average of ~7%.

Does ZIP code 98528 have a large retiree population?

38% of households in ZIP code 98528 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 98528?

The median home value in ZIP code 98528 is $351,000.

What is the population of ZIP code 98528?

ZIP code 98528 has an estimated population of 12,393 residents, with a density of 171 people per square mile.

What timezone is ZIP code 98528 in?

ZIP code 98528 observes the PST timezone.