98109 ZIP Code — Seattle, WA

King County, Washington

ZIP code 98109 is located in Seattle, Washington, within King County. It covers approximately 1.94 square miles and serves a population of 32,251 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 206/425.

About ZIP code 98109

The housing stock consists of a significant share of large multi-unit buildings. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $941,100. Renters make up the majority at 78%, typical of denser urban areas.

The gap between median ($124,408) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 22 minutes is near the national average. Remote work is prevalent — 34% of workers work from home.

Educational attainment is high — 76% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 98109 reflects a community defined by a highly educated population and a high rate of remote workers.

32,251

population

1.94

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

98109 ZIP code map

Cities in ZIP code 98109

Below are the cities the US Postal Service accepts for ZIP code 98109. Using any city not on this list may result in mail delivery delays.

City	Status
Seattle	Acceptable
Seattle	Preferred

Nearby ZIP codes

98102 Seattle (0.8 mi) 98119 Seattle (1.3 mi) 98121 Seattle (1.5 mi) 98101 Seattle (1.7 mi) 98154 Seattle (2 mi) 98185 Seattle (2 mi) 98191 Seattle (2 mi) 98190 Seattle (2 mi) 98129 Seattle (2 mi) 98181 Seattle (2 mi) 98170 Seattle (2 mi) 98164 Seattle (2 mi)

Demographics updated 06/2026

Population
Total population	32,251
Population density	16,624 / sq mi
State FIPS	53
County FIPS	033

Geography
Land area	1.94 sq mi
Water area	0.30 sq mi
Latitude	47.6344
Longitude	-122.3419
Timezone	Pacific (PT)
Area code	206/425

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.8%	24.4%	31.7%
$50k – $100k	25.9%	25.9%	30.6%
$100k – $200k	37.2%	30.8%	27.1%
Over $200k	19.2%	18.9%	10.6%

Demographics & statistics

32,251

Population

16,624

People per sq mi

32.1

Median age

$124,408

Median household income

$104,635

Per capita income

$941,100

Median home value

$2,241

Median monthly rent

21.9%

Home ownership

9.1%

Poverty rate

3.9%

Unemployment

6,239

Housing units

75.9%

Bachelor's or higher

Age distribution

Male Female

337

Under 5

289

343

5–9

294

259

10–14

222

305

15–19

263

1,632

20–24

1,404

7,297

25–34

6,274

2,903

35–44

2,496

1,586

45–54

1,363

578

55–59

497

596

60–64

513

724

65–74

622

388

75–84

333

394

85+

339

← Male

Female →

Age summary

Group	Count	%
Under 18	1,944	6.0%
18 and over	30,307	94.0%
65 and over	2,800	8.7%
Median age	32.1 years

Race & ethnicity

White 57.2%

Asian 25.9%

Two or more races 7.8%

Hispanic or Latino 4.1%

Black or African American 3.4%

Other race 1.1%

American Indian / Alaska Native 0.6%

Group	Count	%
White	19,216	57.2%
Asian	8,702	25.9%
Two or more races	2,611	7.8%
Hispanic or Latino	1,364	4.1%
Black or African American	1,145	3.4%
Other race	380	1.1%
American Indian / Alaska Native	193	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.8%	24.4%	31.7%
$50k – $100k	25.9%	25.9%	30.6%
$100k – $200k	37.2%	30.8%	27.1%
Over $200k	19.2%	18.9%	10.6%

Under $10k 3.7%

$10k–$15k 1.5%

$15k–$25k 1.9%

$25k–$35k 3.5%

$35k–$50k 5.4%

$50k–$75k 12.2%

$75k–$100k 8.9%

$100k–$150k 22.2%

$150k–$200k 13.3%

$200k+ 27.5%

Range	% of households
Under $10k	3.7%
$10k–$15k	1.5%
$15k–$25k	1.9%
$25k–$35k	3.5%
$35k–$50k	5.4%
$50k–$75k	12.2%
$75k–$100k	8.9%
$100k–$150k	22.2%
$150k–$200k	13.3%
$200k+	27.5%
Median income	$124,408

Housing

Home values

Under $50k 0.3%

$50k–$100k 0.6%

$100k–$150k 0.4%

$150k–$200k 0.2%

$200k–$300k 1.5%

$300k–$500k 19.0%

$500k–$1M 31.2%

$1M+ 46.7%

Housing overview

Metric	Value
Median home value	$941,100
Median rent / month	$2,241
Owner occupied	21.9%
Renter occupied	78.1%
Vacant	8.7%
Single-family detached	10.5%
Large apartment buildings	67.5%
Mobile homes	0.1%
Median rooms	2.8
Avg household size (owned)	1.83

Year built

Era	%
2020 or later	0.7%
2010–2019	34.3%
2000–2009	16.2%
1990–1999	13.0%
1980–1989	3.9%
1970–1979	4.3%
1960–1969	6.9%
1950–1959	3.6%
1940–1949	1.8%
1939 or earlier	15.4%

Bedrooms

Size	% of units
No bedroom (studio)	21.2%
1 bedroom	42.9%
2 bedrooms	24.7%
3 bedrooms	7.0%
4 bedrooms	3.3%
5+ bedrooms	0.9%

Vehicles per household

Vehicles	% of households
No vehicle	30.0%
1 vehicle	52.8%
2 vehicles	14.6%
3 or more	2.6%

Heating fuel

Fuel type	%
Utility gas	21.9%
Electricity	71.9%
Propane / LP gas	1.1%
Fuel oil	1.3%
Wood	0.3%
No fuel used	1.8%

Households & families

Household type	Count	%
Married-couple family	4,138	20.8%
Cohabiting couple	2,095	10.5%
Male householder, no spouse	7,789	39.1%
Female householder, no spouse	5,875	29.5%
Households with children under 18	1,279	6.4%
Households with seniors (65+)	1,933	9.7%
Average household size	1.56

Marital status

Status	Male	Female
Never married	61.6%	53.6%
Married	28.2%	32.1%
Separated	1.8%	0.4%
Widowed	1.5%	3.2%
Divorced	6.8%	10.7%

Education

Less than 9th grade 0.7%

Some HS, no diploma 1.1%

HS graduate 5.6%

Some college, no degree 10.4%

Associate's degree 6.4%

Bachelor's degree 41.1%

Graduate / professional 34.9%

Metric	%
HS diploma or higher	98.3%
Bachelor's or higher	75.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	246	6.8%
Kindergarten	183	5.1%
Elementary school	798	22.2%
High school	344	9.6%
College / grad school	2,027	56.3%

Employment

Industry of employment

Professional & management 30.1%

Retail trade 21.8%

Education & healthcare 11.6%

Information 8.3%

Finance & real estate 6.0%

Arts, food & hospitality 5.6%

Manufacturing 5.2%

Other services 3.8%

Transportation & utilities 2.4%

Public administration 2.1%

Construction 1.8%

Wholesale trade 1.2%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	75.0%
Service	6.2%
Sales & office	13.3%
Natural resources & construction	1.8%
Production & transportation	3.7%

Employment type

Type	%
Private sector	89.2%
Government	8.1%
Self-employed	2.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	24.5%
Carpool	2.6%
Public transit	11.6%
Walk	24.4%
Work from home	33.8%
Other means	3.1%
Avg commute (minutes)	21.7

Poverty

All people 9.1%

Under 18 years 9.9%

18 and over 9.0%

Married-couple families 0.2%

Female-led households 44.6%

Income support

Source	% of households
Social Security	8.7%
Retirement income	7.9%
Supplemental Security	0.8%
Cash public assistance	2.3%
Food stamps / SNAP	4.0%

Health indicators

Condition	%
Obesity	19.3%
High blood pressure	20.1%
High cholesterol	23.0%
Diabetes	4.3%
Heart disease	3.0%
Stroke	1.4%
Asthma	8.9%
Arthritis	14.1%
Kidney disease	1.7%
Pulmonary disease	2.5%
Cancer	4.9%

Behavior / access	%
Smoking	7.3%
Binge drinking	22.3%
No physical activity	9.4%
Less than 7 hrs sleep	24.8%
Depression	23.8%
Fair or poor health	6.3%
Poor mental health	12.5%
Poor physical health	5.5%
No health insurance	6.9%
Visited doctor (checkup)	65.1%
Visited dentist	77.5%
Cholesterol screening	88.4%
Teeth loss	4.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,244	4.1%

Disability	%
Any disability	8.3%
Under 18	2.3%
18–64 years	5.3%
65 and over	44.9%

Health insurance coverage

Type	%
Private insurance	87.2%
Public insurance	14.9%
No insurance	3.6%
Uninsured under 19	0.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	31,625	98.1%
Spanish	1,709	5.4%
Other Indo-European	163	0.5%
Asian & Pacific Islander	461	1.5%
Other languages	985	3.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	23,260	72.1%
Born in same state	22,815	70.7%
Born in different state	7,400	22.9%
Foreign born	445	1.4%
Naturalized citizen	8,991	27.9%
Not a US citizen	1,879	20.9%

Ancestry

Ancestry	Count	%
French	3,215	10%
Italian	3,178	9.9%
Polish	751	2.3%
Arab	701	2.2%
English	582	1.8%

Ancestry	Count	%
German	354	1.1%
Dutch	132	0.4%
Norwegian	89	0.3%
Irish	86	0.3%

Technology access

Metric	% of households
Computer access	61.7%
Internet access	98.5%

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

Frequently asked questions about ZIP code 98109

What city is ZIP code 98109 in?

ZIP code 98109 is primarily assigned to Seattle, Washington.

What county is ZIP code 98109 in?

ZIP code 98109 falls within King County, Washington.

How educated is the population of ZIP code 98109?

76% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 98109 mostly rentals?

78% of occupied units in ZIP code 98109 are renter-occupied.

What is the median household income in ZIP code 98109?

The median household income in ZIP code 98109 is $124,408, above the national median of ~$75,000.

What is the typical home value in ZIP code 98109?

The median home value in ZIP code 98109 is $941,100.

What timezone is ZIP code 98109 in?

ZIP code 98109 observes the PST timezone.