98001 ZIP Code — Auburn, WA
King County, Washington
ZIP code 98001 is located in Auburn, Washington, within King County. It covers approximately 18.64 square miles and serves a population of 35,842 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 253.
About ZIP code 98001
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $483,900. Owner-occupancy is high at 78%, well above the national average.
Median household income is $103,338.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.
Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.
35,842
population
18.64
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98001 ZIP code map
Cities in ZIP code 98001
Below are the cities the US Postal Service accepts for ZIP code 98001. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Auburn | Acceptable |
| Auburn | Preferred |
Nearby ZIP codes
98003 Federal Way (2.1 mi)
98002 Auburn (2.7 mi)
98047 Pacific (3.5 mi)
98354 Milton (4.6 mi)
98030 Kent (4.9 mi)
98023 Federal Way (5.2 mi)
98198 Seattle (5.6 mi)
98032 Kent (5.9 mi)
98422 Tacoma (5.9 mi)
98424 Fife (6.5 mi)
98372 Puyallup (6.7 mi)
98390 Sumner (6.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 35,842 |
| Population density | 1,923 / sq mi |
| State FIPS | 53 |
| County FIPS | 033 |
| Geography | |
|---|---|
| Land area | 18.64 sq mi |
| Water area | 0.29 sq mi |
| Latitude | 47.3075 |
| Longitude | -122.2659 |
| Timezone | Pacific (PT) |
| Area code | 253 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 23.0% | 24.4% | 31.7% |
| $50k – $100k | 33.5% | 25.9% | 30.6% |
| $100k – $200k | 34.6% | 30.8% | 27.1% |
| Over $200k | 8.9% | 18.9% | 10.6% |
Demographics & statistics
35,842
Population
1,923
People per sq mi
40.4
Median age
$103,338
Median household income
$44,341
Per capita income
$483,900
Median home value
$1,764
Median monthly rent
77.6%
Home ownership
8.3%
Poverty rate
6.3%
Unemployment
9,576
Housing units
28.7%
Bachelor's or higher
Age distribution
Male
Female
983
Under 5
945
1,338
5–9
1,286
1,130
10–14
1,087
1,254
15–19
1,206
790
20–24
760
2,412
25–34
2,319
2,378
35–44
2,287
2,541
45–54
2,444
1,461
55–59
1,404
1,466
60–64
1,409
1,608
65–74
1,547
602
75–84
579
309
85+
297
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 8,392 | 23.4% |
| 18 and over | 27,450 | 76.6% |
| 65 and over | 4,942 | 13.8% |
| Median age | 40.4 years | |
Race & ethnicity
White
49.8%
Asian
15.7%
Two or more races
9.4%
Hispanic or Latino
8.7%
Black or African American
6.8%
Other race
6.3%
Native Hawaiian / Pacific Islander
2.5%
American Indian / Alaska Native
0.7%
| Group | Count | % |
|---|---|---|
| White | 19,539 | 49.8% |
| Asian | 6,185 | 15.7% |
| Two or more races | 3,702 | 9.4% |
| Hispanic or Latino | 3,430 | 8.7% |
| Black or African American | 2,689 | 6.8% |
| Other race | 2,457 | 6.3% |
| Native Hawaiian / Pacific Islander | 991 | 2.5% |
| American Indian / Alaska Native | 279 | 0.7% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 23.0% | 24.4% | 31.7% |
| $50k – $100k | 33.5% | 25.9% | 30.6% |
| $100k – $200k | 34.6% | 30.8% | 27.1% |
| Over $200k | 8.9% | 18.9% | 10.6% |
Under $10k
2.8%
$10k–$15k
2.1%
$15k–$25k
3.6%
$25k–$35k
3.3%
$35k–$50k
6.1%
$50k–$75k
13.9%
$75k–$100k
16.6%
$100k–$150k
22.5%
$150k–$200k
15.1%
$200k+
14.0%
| Range | % of households |
|---|---|
| Under $10k | 2.8% |
| $10k–$15k | 2.1% |
| $15k–$25k | 3.6% |
| $25k–$35k | 3.3% |
| $35k–$50k | 6.1% |
| $50k–$75k | 13.9% |
| $75k–$100k | 16.6% |
| $100k–$150k | 22.5% |
| $150k–$200k | 15.1% |
| $200k+ | 14.0% |
| Median income | $103,338 |
Housing
Home values
Under $50k
2.3%
$50k–$100k
1.0%
$100k–$150k
1.7%
$150k–$200k
0.6%
$200k–$300k
8.4%
$300k–$500k
39.7%
$500k–$1M
44.4%
$1M+
1.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $483,900 |
| Median rent / month | $1,764 |
| Owner occupied | 77.6% |
| Renter occupied | 22.4% |
| Vacant | 1.6% |
| Single-family detached | 79.2% |
| Large apartment buildings | 2.1% |
| Mobile homes | 5.9% |
| Median rooms | 6.2 |
| Avg household size (owned) | 2.93 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.0% |
| 2010–2019 | 8.4% |
| 2000–2009 | 20.8% |
| 1990–1999 | 12.4% |
| 1980–1989 | 13.9% |
| 1970–1979 | 14.9% |
| 1960–1969 | 17.7% |
| 1950–1959 | 4.8% |
| 1940–1949 | 1.7% |
| 1939 or earlier | 4.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.1% |
| 1 bedroom | 3.9% |
| 2 bedrooms | 15.2% |
| 3 bedrooms | 43.6% |
| 4 bedrooms | 28.7% |
| 5+ bedrooms | 7.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.9% |
| 1 vehicle | 24.2% |
| 2 vehicles | 38.3% |
| 3 or more | 34.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 49.6% |
| Electricity | 41.4% |
| Propane / LP gas | 2.1% |
| Fuel oil | 2.9% |
| Wood | 2.1% |
| No fuel used | 1.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 7,266 | 60.1% |
| Cohabiting couple | 946 | 7.8% |
| Male householder, no spouse | 1,670 | 13.8% |
| Female householder, no spouse | 2,214 | 18.3% |
| Households with children under 18 | 4,038 | 33.4% |
| Households with seniors (65+) | 3,486 | 28.8% |
| Average household size | 2.95 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.4% | 27.9% |
| Married | 56.6% | 52.1% |
| Separated | 0.9% | 1.7% |
| Widowed | 1.2% | 7.8% |
| Divorced | 9.0% | 10.6% |
Education
Less than 9th grade
5.4%
Some HS, no diploma
6.3%
HS graduate
25.6%
Some college, no degree
23.3%
Associate's degree
10.8%
Bachelor's degree
20.6%
Graduate / professional
8.1%
| Metric | % |
|---|---|
| HS diploma or higher | 88.3% |
| Bachelor's or higher | 28.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 461 | 5.4% |
| Kindergarten | 719 | 8.5% |
| Elementary school | 3,605 | 42.5% |
| High school | 1,899 | 22.4% |
| College / grad school | 1,793 | 21.2% |
Employment
Industry of employment
Education & healthcare
22.3%
Manufacturing
13.8%
Professional & management
10.8%
Arts, food & hospitality
8.9%
Retail trade
8.6%
Construction
7.9%
Transportation & utilities
7.0%
Other services
4.9%
Public administration
4.6%
Finance & real estate
4.4%
Wholesale trade
4.1%
Agriculture & mining
1.4%
Information
1.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.3% |
| Service | 18.6% |
| Sales & office | 18.6% |
| Natural resources & construction | 11.2% |
| Production & transportation | 15.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.0% |
| Government | 14.1% |
| Self-employed | 6.7% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 70.2% |
| Carpool | 13.3% |
| Public transit | 3.3% |
| Walk | 1.4% |
| Work from home | 10.4% |
| Other means | 1.4% |
| Avg commute (minutes) | 30.7 |
Poverty
All people
8.3%
Under 18 years
10.7%
18 and over
7.5%
Married-couple families
2.3%
Female-led households
23.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 29.0% |
| Retirement income | 23.1% |
| Supplemental Security | 6.9% |
| Cash public assistance | 3.8% |
| Food stamps / SNAP | 11.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 23.3% |
| High blood pressure | 27.7% |
| High cholesterol | 30.6% |
| Diabetes | 7.5% |
| Heart disease | 4.6% |
| Stroke | 2.4% |
| Asthma | 9.8% |
| Arthritis | 20.0% |
| Kidney disease | 2.3% |
| Pulmonary disease | 4.8% |
| Cancer | 5.6% |
| Behavior / access | % |
|---|---|
| Smoking | 13.3% |
| Binge drinking | 18.9% |
| No physical activity | 16.1% |
| Less than 7 hrs sleep | 28.9% |
| Depression | 25.1% |
| Fair or poor health | 11.7% |
| Poor mental health | 14.4% |
| Poor physical health | 9.1% |
| No health insurance | 11.4% |
| Visited doctor (checkup) | 67.6% |
| Visited dentist | 68.6% |
| Cholesterol screening | 88.0% |
| Teeth loss | 9.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,961 | 7.1% |
| Disability | % |
|---|---|
| Any disability | 13.0% |
| Under 18 | 3.1% |
| 18–64 years | 11.0% |
| 65 and over | 38.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 67.0% |
| Public insurance | 37.0% |
| No insurance | 5.6% |
| Uninsured under 19 | 3.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 33,914 | 94.6% |
| Spanish | 4,698 | 13.9% |
| Other Indo-European | 964 | 2.8% |
| Asian & Pacific Islander | 1,258 | 3.7% |
| Other languages | 2,322 | 6.8% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 26,345 | 73.5% |
| Born in same state | 25,119 | 70.1% |
| Born in different state | 16,147 | 45.1% |
| Foreign born | 1,226 | 3.4% |
| Naturalized citizen | 9,497 | 26.5% |
| Not a US citizen | 6,208 | 65.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 3,047 | 8.5% |
| French | 2,739 | 7.6% |
| Polish | 1,255 | 3.5% |
| Arab | 1,145 | 3.2% |
| English | 229 | 0.6% |
| Ancestry | Count | % |
|---|---|---|
| German | 212 | 0.6% |
| Dutch | 152 | 0.4% |
| Irish | 131 | 0.4% |
| Norwegian | 49 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 33.7% |
| Internet access | 97.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98001
What city is ZIP code 98001 in?
ZIP code 98001 is primarily assigned to Auburn, Washington.
What county is ZIP code 98001 in?
ZIP code 98001 falls within King County, Washington.
What is the typical home value in ZIP code 98001?
The median home value in ZIP code 98001 is $483,900.
What is the median household income in ZIP code 98001?
The median household income in ZIP code 98001 is $103,338, above the national median of ~$75,000.
What is the population of ZIP code 98001?
ZIP code 98001 has an estimated population of 35,842 residents, with a density of 1,923 people per square mile.
What timezone is ZIP code 98001 in?
ZIP code 98001 observes the PST timezone.