98188 ZIP Code — Seattle, WA
King County, Washington
ZIP code 98188 is located in Seattle, Washington, within King County. It covers approximately 8.07 square miles and serves a population of 27,523 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 425/206/253.
About ZIP code 98188
The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1960s, giving the area an established character. Median home value is $432,800. Renters make up the majority at 56%, typical of denser urban areas.
Median household income is $77,722.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
Notable community characteristics include Spanish spoken in 24% of households.
27,523
population
8.07
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98188 ZIP code map
Cities in ZIP code 98188
Below are the cities the US Postal Service accepts for ZIP code 98188. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Seattle | Acceptable |
| Seattle | Preferred |
Nearby ZIP codes
98158 Seattle (1.3 mi)
98148 Seattle (2.1 mi)
98168 Seattle (3 mi)
98057 Renton (3.3 mi)
98178 Seattle (3.5 mi)
98166 Seattle (3.8 mi)
98055 Renton (3.8 mi)
98032 Kent (3.9 mi)
98031 Kent (4.4 mi)
98198 Seattle (4.8 mi)
98146 Seattle (5.4 mi)
98056 Renton (5.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 27,523 |
| Population density | 3,411 / sq mi |
| State FIPS | 53 |
| County FIPS | 033 |
| Geography | |
|---|---|
| Land area | 8.07 sq mi |
| Water area | 0.31 sq mi |
| Latitude | 47.4482 |
| Longitude | -122.2779 |
| Timezone | Pacific (PT) |
| Area code | 425/206/253 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.1% | 24.4% | 31.7% |
| $50k – $100k | 36.2% | 25.9% | 30.6% |
| $100k – $200k | 23.2% | 30.8% | 27.1% |
| Over $200k | 3.5% | 18.9% | 10.6% |
Demographics & statistics
27,523
Population
3,411
People per sq mi
36.7
Median age
$77,722
Median household income
$38,727
Per capita income
$432,800
Median home value
$1,612
Median monthly rent
43.9%
Home ownership
9.7%
Poverty rate
6.9%
Unemployment
5,572
Housing units
25.7%
Bachelor's or higher
Age distribution
Male
Female
852
Under 5
700
842
5–9
691
964
10–14
792
695
15–19
571
1,029
20–24
846
2,725
25–34
2,239
2,404
35–44
1,975
1,767
45–54
1,452
1,020
55–59
838
801
60–64
658
1,224
65–74
1,006
609
75–84
500
177
85+
146
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 5,613 | 20.4% |
| 18 and over | 21,910 | 79.6% |
| 65 and over | 3,662 | 13.3% |
| Median age | 36.7 years | |
Race & ethnicity
White
25.2%
Black or African American
22.4%
Hispanic or Latino
14.9%
Asian
14.6%
Other race
12.3%
Two or more races
6.6%
Native Hawaiian / Pacific Islander
3.9%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 8,150 | 25.2% |
| Black or African American | 7,248 | 22.4% |
| Hispanic or Latino | 4,803 | 14.9% |
| Asian | 4,705 | 14.6% |
| Other race | 3,974 | 12.3% |
| Two or more races | 2,128 | 6.6% |
| Native Hawaiian / Pacific Islander | 1,248 | 3.9% |
| American Indian / Alaska Native | 70 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.1% | 24.4% | 31.7% |
| $50k – $100k | 36.2% | 25.9% | 30.6% |
| $100k – $200k | 23.2% | 30.8% | 27.1% |
| Over $200k | 3.5% | 18.9% | 10.6% |
Under $10k
3.8%
$10k–$15k
2.0%
$15k–$25k
4.8%
$25k–$35k
8.6%
$35k–$50k
10.9%
$50k–$75k
18.1%
$75k–$100k
14.8%
$100k–$150k
21.6%
$150k–$200k
8.8%
$200k+
6.6%
| Range | % of households |
|---|---|
| Under $10k | 3.8% |
| $10k–$15k | 2.0% |
| $15k–$25k | 4.8% |
| $25k–$35k | 8.6% |
| $35k–$50k | 10.9% |
| $50k–$75k | 18.1% |
| $75k–$100k | 14.8% |
| $100k–$150k | 21.6% |
| $150k–$200k | 8.8% |
| $200k+ | 6.6% |
| Median income | $77,722 |
Housing
Home values
Under $50k
7.6%
$50k–$100k
3.5%
$100k–$150k
0.9%
$150k–$200k
2.2%
$200k–$300k
16.1%
$300k–$500k
33.1%
$500k–$1M
32.4%
$1M+
4.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $432,800 |
| Median rent / month | $1,612 |
| Owner occupied | 43.9% |
| Renter occupied | 56.1% |
| Vacant | 5.9% |
| Single-family detached | 35.8% |
| Large apartment buildings | 23.4% |
| Mobile homes | 4.3% |
| Median rooms | 4.1 |
| Avg household size (owned) | 2.41 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.2% |
| 2010–2019 | 7.0% |
| 2000–2009 | 4.1% |
| 1990–1999 | 8.3% |
| 1980–1989 | 18.3% |
| 1970–1979 | 17.6% |
| 1960–1969 | 21.7% |
| 1950–1959 | 13.7% |
| 1940–1949 | 5.3% |
| 1939 or earlier | 3.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 3.7% |
| 1 bedroom | 24.7% |
| 2 bedrooms | 39.7% |
| 3 bedrooms | 17.9% |
| 4 bedrooms | 8.9% |
| 5+ bedrooms | 5.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 10.0% |
| 1 vehicle | 42.5% |
| 2 vehicles | 29.2% |
| 3 or more | 18.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 28.9% |
| Electricity | 65.3% |
| Propane / LP gas | 1.5% |
| Fuel oil | 3.4% |
| Wood | 0.6% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,900 | 35.1% |
| Cohabiting couple | 1,011 | 9.1% |
| Male householder, no spouse | 3,429 | 30.9% |
| Female householder, no spouse | 2,768 | 24.9% |
| Households with children under 18 | 2,997 | 27.0% |
| Households with seniors (65+) | 2,811 | 25.3% |
| Average household size | 2.47 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 42.2% | 31.4% |
| Married | 44.2% | 46.8% |
| Separated | 1.1% | 3.6% |
| Widowed | 2.5% | 6.9% |
| Divorced | 10.0% | 11.4% |
Education
Less than 9th grade
6.5%
Some HS, no diploma
6.8%
HS graduate
30.1%
Some college, no degree
23.1%
Associate's degree
7.7%
Bachelor's degree
20.2%
Graduate / professional
5.5%
| Metric | % |
|---|---|
| HS diploma or higher | 86.7% |
| Bachelor's or higher | 25.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 334 | 5.3% |
| Kindergarten | 520 | 8.2% |
| Elementary school | 2,477 | 39.3% |
| High school | 1,086 | 17.2% |
| College / grad school | 1,890 | 30.0% |
Employment
Industry of employment
Professional & management
15.5%
Transportation & utilities
15.1%
Education & healthcare
14.0%
Arts, food & hospitality
13.5%
Retail trade
11.0%
Manufacturing
9.7%
Construction
6.7%
Finance & real estate
5.0%
Other services
3.0%
Public administration
2.8%
Wholesale trade
2.0%
Information
1.4%
Agriculture & mining
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 26.9% |
| Service | 25.4% |
| Sales & office | 17.3% |
| Natural resources & construction | 7.7% |
| Production & transportation | 22.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 84.5% |
| Government | 9.8% |
| Self-employed | 5.5% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 62.8% |
| Carpool | 10.9% |
| Public transit | 10.8% |
| Walk | 4.3% |
| Work from home | 8.1% |
| Other means | 3.2% |
| Avg commute (minutes) | 25.3 |
Poverty
All people
9.7%
Under 18 years
7.8%
18 and over
10.2%
Married-couple families
1.8%
Female-led households
20.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 23.8% |
| Retirement income | 21.5% |
| Supplemental Security | 3.9% |
| Cash public assistance | 3.2% |
| Food stamps / SNAP | 13.6% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 26.2% |
| High blood pressure | 30.3% |
| High cholesterol | 29.5% |
| Diabetes | 8.9% |
| Heart disease | 5.1% |
| Stroke | 2.9% |
| Asthma | 10.4% |
| Arthritis | 20.4% |
| Kidney disease | 2.7% |
| Pulmonary disease | 5.3% |
| Cancer | 5.3% |
| Behavior / access | % |
|---|---|
| Smoking | 14.7% |
| Binge drinking | 17.4% |
| No physical activity | 19.3% |
| Less than 7 hrs sleep | 31.4% |
| Depression | 24.2% |
| Fair or poor health | 14.8% |
| Poor mental health | 15.0% |
| Poor physical health | 10.2% |
| No health insurance | 14.8% |
| Visited doctor (checkup) | 68.7% |
| Visited dentist | 61.8% |
| Cholesterol screening | 86.5% |
| Teeth loss | 11.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,730 | 7.9% |
| Disability | % |
|---|---|
| Any disability | 9.9% |
| Under 18 | 3.3% |
| 18–64 years | 6.6% |
| 65 and over | 36.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 57.8% |
| Public insurance | 40.7% |
| No insurance | 10.6% |
| Uninsured under 19 | 3.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 25,971 | 94.4% |
| Spanish | 6,199 | 23.9% |
| Other Indo-European | 1,732 | 6.7% |
| Asian & Pacific Islander | 430 | 1.7% |
| Other languages | 1,768 | 6.8% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 16,445 | 59.8% |
| Born in same state | 15,651 | 56.9% |
| Born in different state | 9,300 | 33.8% |
| Foreign born | 794 | 2.9% |
| Naturalized citizen | 11,078 | 40.2% |
| Not a US citizen | 5,989 | 54.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 1,194 | 4.3% |
| French | 1,097 | 4% |
| Arab | 582 | 2.1% |
| Polish | 558 | 2% |
| English | 152 | 0.6% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 112 | 0.4% |
| German | 36 | 0.1% |
| Irish | 21 | 0.1% |
| Norwegian | 1 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.4% |
| Internet access | 95.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98188
What city is ZIP code 98188 in?
ZIP code 98188 is primarily assigned to Seattle, Washington.
What county is ZIP code 98188 in?
ZIP code 98188 falls within King County, Washington.
Is Spanish widely spoken in ZIP code 98188?
Approximately 24% of households in ZIP code 98188 speak Spanish as a primary language.
Is ZIP code 98188 mostly rentals?
56% of occupied units in ZIP code 98188 are renter-occupied.
What is the typical home value in ZIP code 98188?
The median home value in ZIP code 98188 is $432,800.
What is the population of ZIP code 98188?
ZIP code 98188 has an estimated population of 27,523 residents, with a density of 3,412 people per square mile.
What timezone is ZIP code 98188 in?
ZIP code 98188 observes the PST timezone.