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Washington ZIP Codes
King County
Issaquah, WA
98029
98029 ZIP Code — Issaquah, WA
King County, Washington
ZIP code 98029 is located in
Issaquah ,
Washington ,
within King County .
It covers approximately 10.17 square miles and serves a population of
31,227 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 425 .
About ZIP code 98029
The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $909,000. Owner-occupancy sits near the national average at 64%.
The gap between median ($156,427) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 31 minutes is near the national average. Remote work is prevalent — 31% of workers work from home.
Educational attainment is high — 71% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 98029 reflects a community defined by a highly educated population and a high rate of remote workers.
98029 ZIP code map
View map of 98029
Cities in ZIP code 98029
Below are the cities the US Postal Service accepts for ZIP code 98029. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
31,227
Population density
3,071 / sq mi
State FIPS
53
County FIPS
033
Geography
Land area
10.17 sq mi
Water area
0.33 sq mi
Latitude
47.5596
Longitude
-122.0240
Timezone
Pacific (PT)
Area code
425
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
11.6%
24.4%
31.7%
$50k – $100k
23.0%
25.9%
30.6%
$100k – $200k
35.8%
30.8%
27.1%
Over $200k
29.6%
18.9%
10.6%
Demographics & statistics
$156,427
Median household income
$909,000
Median home value
$2,511
Median monthly rent
71.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 7,693 24.6%
18 and over 23,534 75.4%
65 and over 3,285 10.5%
Median age 36.5 years
Race & ethnicity
Black or African American
2.4%
American Indian / Alaska Native
0.2%
Native Hawaiian / Pacific Islander
0.1%
Group Count %
White 17,144 52.7%
Asian 10,162 31.2%
Two or more races 2,505 7.7%
Hispanic or Latino 1,295 4%
Black or African American 780 2.4%
Other race 531 1.6%
American Indian / Alaska Native 66 0.2%
Native Hawaiian / Pacific Islander 39 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
11.6%
24.4%
31.7%
$50k – $100k
23.0%
25.9%
30.6%
$100k – $200k
35.8%
30.8%
27.1%
Over $200k
29.6%
18.9%
10.6%
Range % of households
Under $10k 2.4%
$10k–$15k 0.9%
$15k–$25k 4.9%
$25k–$35k 2.7%
$35k–$50k 2.6%
$50k–$75k 10.0%
$75k–$100k 8.3%
$100k–$150k 15.1%
$150k–$200k 16.6%
$200k+ 36.4%
Median income $156,427
Housing
Housing overview
Metric Value
Median home value $909,000
Median rent / month $2,511
Owner occupied 63.5%
Renter occupied 36.5%
Vacant 2.4%
Single-family detached 43.0%
Large apartment buildings 15.4%
Mobile homes 0.2%
Median rooms 5.2
Avg household size (owned) 2.59
Year built
Era %
2020 or later 0.1%
2010–2019 21.2%
2000–2009 34.7%
1990–1999 23.1%
1980–1989 17.6%
1970–1979 0.9%
1960–1969 2.0%
1950–1959 0.3%
1940–1949 0.0%
1939 or earlier 0.1%
Bedrooms
Size % of units
No bedroom (studio) 1.1%
1 bedroom 6.4%
2 bedrooms 34.2%
3 bedrooms 31.3%
4 bedrooms 22.9%
5+ bedrooms 4.1%
Vehicles per household
Vehicles % of households
No vehicle 2.5%
1 vehicle 39.5%
2 vehicles 48.4%
3 or more 9.6%
Heating fuel
Fuel type %
Utility gas 54.4%
Electricity 43.7%
Propane / LP gas 1.2%
Solar 0.4%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 7,176 58.2%
Cohabiting couple 1,010 8.2%
Male householder, no spouse 1,431 11.6%
Female householder, no spouse 2,713 22.0%
Households with children under 18 5,040 40.9%
Households with seniors (65+) 2,161 17.5%
Average household size 2.52
Marital status
Status Male Female
Never married 27.8% 27.4%
Married 63.8% 56.1%
Separated 0.3% 0.5%
Widowed 1.3% 5.9%
Divorced 6.8% 10.2%
Education
Some college, no degree
13.2%
Graduate / professional
33.4%
Metric %
HS diploma or higher 97.6%
Bachelor's or higher 71.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 630 7.9%
Kindergarten 494 6.2%
Elementary school 3,620 45.2%
High school 1,667 20.8%
College / grad school 1,601 20.0%
Employment
Industry of employment
Professional & management
26.7%
Education & healthcare
14.0%
Arts, food & hospitality
7.7%
Finance & real estate
6.0%
Transportation & utilities
3.5%
Public administration
2.3%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 71.9%
Service 8.8%
Sales & office 12.8%
Natural resources & construction 1.7%
Production & transportation 4.8%
Employment type
Type %
Private sector 89.1%
Government 6.3%
Self-employed 4.5%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 47.0%
Carpool 8.6%
Public transit 8.0%
Walk 2.6%
Work from home 31.4%
Other means 2.3%
Avg commute (minutes) 31.2
Poverty
Married-couple families
3.9%
Female-led households
38.3%
Income support
Source % of households
Social Security 15.2%
Retirement income 16.3%
Supplemental Security 0.4%
Cash public assistance 3.0%
Food stamps / SNAP 4.3%
Health indicators
Condition %
Obesity 18.2%
High blood pressure 22.8%
High cholesterol 27.1%
Diabetes 5.3%
Heart disease 3.5%
Stroke 1.7%
Asthma 8.3%
Arthritis 16.4%
Kidney disease 1.9%
Pulmonary disease 2.8%
Cancer 5.8%
Behavior / access %
Smoking 7.6%
Binge drinking 18.3%
No physical activity 11.0%
Less than 7 hrs sleep 25.5%
Depression 21.4%
Fair or poor health 7.0%
Poor mental health 11.3%
Poor physical health 6.0%
No health insurance 7.1%
Visited doctor (checkup) 67.5%
Visited dentist 77.2%
Cholesterol screening 90.6%
Teeth loss 5.6%
Veterans & disability
Veterans Count %
Civilian veterans 846 3.6%
Disability %
Any disability 6.1%
Under 18 3.9%
18–64 years 3.7%
65 and over 26.7%
Health insurance coverage
Type %
Private insurance 89.6%
Public insurance 17.0%
No insurance 1.6%
Uninsured under 19 1.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 29,451 94.3%
Spanish 2,677 9.1%
Other Indo-European 97 0.3%
Asian & Pacific Islander 476 1.6%
Other languages 1,810 6.1%
Place of birth & citizenship
Origin Count %
Native born (US) 20,603 66.0%
Born in same state 20,225 64.8%
Born in different state 9,107 29.2%
Foreign born 378 1.2%
Naturalized citizen 10,624 34.0%
Not a US citizen 4,201 39.5%
Ancestry
Ancestry Count %
French 3,016 9.7%
Italian 1,850 5.9%
Arab 792 2.5%
Polish 618 2%
Irish 223 0.7%
Ancestry Count %
English 216 0.7%
German 168 0.5%
Norwegian 144 0.5%
Dutch 54 0.2%
Technology access
Metric % of households
Computer access 39.5%
Internet access 99.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98029
What city is ZIP code 98029 in?
ZIP code 98029 is primarily assigned to Issaquah, Washington.
What county is ZIP code 98029 in?
ZIP code 98029 falls within King County, Washington.
How educated is the population of ZIP code 98029?
71% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the median household income in ZIP code 98029?
The median household income in ZIP code 98029 is $156,427, above the national median of ~$75,000.
What is the typical home value in ZIP code 98029?
The median home value in ZIP code 98029 is $909,000.
What is the population of ZIP code 98029?
ZIP code 98029 has an estimated population of 31,227 residents, with a density of 3,069 people per square mile.
What timezone is ZIP code 98029 in?
ZIP code 98029 observes the PST timezone.
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