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.

31,227
population
10.17
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98029 ZIP code map
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.

City Status
Issaquah Acceptable
Issaquah Preferred
Nearby ZIP codes
98075 Sammamish (2 mi) 98027 Issaquah (4.6 mi) 98074 Sammamish (4.9 mi) 98008 Bellevue (5.1 mi) 98059 Renton (5.5 mi) 98006 Bellevue (5.9 mi) 98007 Bellevue (6.9 mi) 98053 Redmond (7 mi) 98005 Bellevue (8.1 mi) 98056 Renton (8.7 mi) 98014 Carnation (8.7 mi) 98052 Redmond (9.5 mi)
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
Total population by age
Gender
Race & ethnicity
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

31,227
Population
3,071
People per sq mi
36.5
Median age
$156,427
Median household income
$84,699
Per capita income
$909,000
Median home value
$2,511
Median monthly rent
63.5%
Home ownership
6.4%
Poverty rate
2.9%
Unemployment
8,130
Housing units
71.4%
Bachelor's or higher

Age distribution

Male Female
856
Under 5
920
1,071
5–9
1,151
1,171
10–14
1,259
828
15–19
891
392
20–24
422
2,773
25–34
2,982
2,795
35–44
3,006
2,200
45–54
2,365
810
55–59
870
569
60–64
611
818
65–74
879
506
75–84
545
259
85+
278
← Male
Female →

Age summary

GroupCount%
Under 187,69324.6%
18 and over23,53475.4%
65 and over3,28510.5%
Median age36.5 years

Race & ethnicity

White 52.7%
Asian 31.2%
Two or more races 7.7%
Hispanic or Latino 4%
Black or African American 2.4%
Other race 1.6%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
White17,14452.7%
Asian10,16231.2%
Two or more races2,5057.7%
Hispanic or Latino1,2954%
Black or African American7802.4%
Other race5311.6%
American Indian / Alaska Native660.2%
Native Hawaiian / Pacific Islander390.1%

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%
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%
Range% of households
Under $10k2.4%
$10k–$15k0.9%
$15k–$25k4.9%
$25k–$35k2.7%
$35k–$50k2.6%
$50k–$75k10.0%
$75k–$100k8.3%
$100k–$150k15.1%
$150k–$200k16.6%
$200k+36.4%
Median income$156,427

Housing

Home values

Under $50k 0.7%
$100k–$150k 0.8%
$150k–$200k 2.8%
$200k–$300k 1.6%
$300k–$500k 13.7%
$500k–$1M 39.9%
$1M+ 40.5%

Housing overview

MetricValue
Median home value$909,000
Median rent / month$2,511
Owner occupied63.5%
Renter occupied36.5%
Vacant2.4%
Single-family detached43.0%
Large apartment buildings15.4%
Mobile homes0.2%
Median rooms5.2
Avg household size (owned)2.59

Year built

Era%
2020 or later0.1%
2010–201921.2%
2000–200934.7%
1990–199923.1%
1980–198917.6%
1970–19790.9%
1960–19692.0%
1950–19590.3%
1940–19490.0%
1939 or earlier0.1%

Bedrooms

Size% of units
No bedroom (studio)1.1%
1 bedroom6.4%
2 bedrooms34.2%
3 bedrooms31.3%
4 bedrooms22.9%
5+ bedrooms4.1%

Vehicles per household

Vehicles% of households
No vehicle2.5%
1 vehicle39.5%
2 vehicles48.4%
3 or more9.6%

Heating fuel

Fuel type%
Utility gas54.4%
Electricity43.7%
Propane / LP gas1.2%
Solar0.4%
No fuel used0.3%

Households & families

Household typeCount%
Married-couple family7,17658.2%
Cohabiting couple1,0108.2%
Male householder, no spouse1,43111.6%
Female householder, no spouse2,71322.0%
Households with children under 185,04040.9%
Households with seniors (65+)2,16117.5%
Average household size2.52

Marital status

StatusMaleFemale
Never married27.8%27.4%
Married63.8%56.1%
Separated0.3%0.5%
Widowed1.3%5.9%
Divorced6.8%10.2%

Education

Less than 9th grade 1.5%
Some HS, no diploma 0.9%
HS graduate 7.2%
Some college, no degree 13.2%
Associate's degree 5.7%
Bachelor's degree 38.0%
Graduate / professional 33.4%
Metric%
HS diploma or higher97.6%
Bachelor's or higher71.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool6307.9%
Kindergarten4946.2%
Elementary school3,62045.2%
High school1,66720.8%
College / grad school1,60120.0%

Employment

Industry of employment

Professional & management 26.7%
Retail trade 17.0%
Education & healthcare 14.0%
Information 8.1%
Arts, food & hospitality 7.7%
Manufacturing 6.4%
Finance & real estate 6.0%
Transportation & utilities 3.5%
Construction 3.0%
Other services 3.0%
Public administration 2.3%
Wholesale trade 2.1%
Agriculture & mining 0.2%

Occupation

Category%
Management, business & arts71.9%
Service8.8%
Sales & office12.8%
Natural resources & construction1.7%
Production & transportation4.8%

Employment type

Type%
Private sector89.1%
Government6.3%
Self-employed4.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone47.0%
Carpool8.6%
Public transit8.0%
Walk2.6%
Work from home31.4%
Other means2.3%
Avg commute (minutes)31.2

Poverty

All people 6.4%
Under 18 years 9.2%
18 and over 5.5%
Married-couple families 3.9%
Female-led households 38.3%

Income support

Source% of households
Social Security15.2%
Retirement income16.3%
Supplemental Security0.4%
Cash public assistance3.0%
Food stamps / SNAP4.3%

Health indicators

Condition%
Obesity18.2%
High blood pressure22.8%
High cholesterol27.1%
Diabetes5.3%
Heart disease3.5%
Stroke1.7%
Asthma8.3%
Arthritis16.4%
Kidney disease1.9%
Pulmonary disease2.8%
Cancer5.8%
Behavior / access%
Smoking7.6%
Binge drinking18.3%
No physical activity11.0%
Less than 7 hrs sleep25.5%
Depression21.4%
Fair or poor health7.0%
Poor mental health11.3%
Poor physical health6.0%
No health insurance7.1%
Visited doctor (checkup)67.5%
Visited dentist77.2%
Cholesterol screening90.6%
Teeth loss5.6%

Veterans & disability

VeteransCount%
Civilian veterans8463.6%
Disability%
Any disability6.1%
Under 183.9%
18–64 years3.7%
65 and over26.7%

Health insurance coverage

Type%
Private insurance89.6%
Public insurance17.0%
No insurance1.6%
Uninsured under 191.8%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only29,45194.3%
Spanish2,6779.1%
Other Indo-European970.3%
Asian & Pacific Islander4761.6%
Other languages1,8106.1%

Place of birth & citizenship

OriginCount%
Native born (US)20,60366.0%
Born in same state20,22564.8%
Born in different state9,10729.2%
Foreign born3781.2%
Naturalized citizen10,62434.0%
Not a US citizen4,20139.5%

Ancestry

AncestryCount%
French3,0169.7%
Italian1,8505.9%
Arab7922.5%
Polish6182%
Irish2230.7%
AncestryCount%
English2160.7%
German1680.5%
Norwegian1440.5%
Dutch540.2%

Technology access

Metric% of households
Computer access39.5%
Internet access99.8%

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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