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Washington ZIP Codes
Klickitat County
Wahkiacus, WA
98670
98670 ZIP Code — Wahkiacus, WA
Klickitat County, Washington
ZIP code 98670 is located in
Wahkiacus ,
Washington ,
within Klickitat County .
It covers approximately 23.95 square miles and serves a population of
61 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
98670 ZIP code map
View map of 98670
Cities in ZIP code 98670
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
61
Population density
3 / sq mi
State FIPS
53
County FIPS
039
Geography
Land area
23.95 sq mi
Water area
0.00 sq mi
Latitude
45.8596
Longitude
-121.1461
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
73.7%
44.8%
31.7%
$50k – $100k
15.8%
33.8%
30.6%
$100k – $200k
10.5%
17.4%
27.1%
Over $200k
0.0%
4.1%
10.6%
Demographics & statistics
$41,250
Median household income
$286,700
Median home value
12.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 0 0.0%
18 and over 61 100.0%
65 and over 20 32.8%
Median age 54.7 years
Race & ethnicity
Group Count %
White 52 81.3%
Asian 6 9.4%
Hispanic or Latino 3 4.7%
Two or more races 3 4.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
73.7%
44.8%
31.7%
$50k – $100k
15.8%
33.8%
30.6%
$100k – $200k
10.5%
17.4%
27.1%
Over $200k
0.0%
4.1%
10.6%
Range % of households
Under $10k 17.6%
$10k–$15k 17.6%
$15k–$25k 5.9%
$35k–$50k 17.6%
$50k–$75k 23.5%
$100k–$150k 8.8%
$150k–$200k 8.8%
Median income $41,250
Housing
Housing overview
Metric Value
Median home value $286,700
Median rent / month $0
Owner occupied 100.0%
Renter occupied 0.0%
Vacant 17.1%
Single-family detached 87.8%
Large apartment buildings 0.0%
Mobile homes 7.3%
Median rooms 4.1
Avg household size (owned) 1.79
Year built
Era %
2020 or later 0.0%
2010–2019 12.2%
2000–2009 26.8%
1990–1999 7.3%
1980–1989 4.9%
1970–1979 7.3%
1960–1969 0.0%
1950–1959 14.6%
1940–1949 14.6%
1939 or earlier 12.2%
Bedrooms
Size % of units
No bedroom (studio) 19.5%
1 bedroom 14.6%
2 bedrooms 41.5%
3 bedrooms 19.5%
4 bedrooms 4.9%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 17.6%
1 vehicle 17.6%
2 vehicles 26.5%
3 or more 38.2%
Heating fuel
Fuel type %
Utility gas 26.5%
Electricity 8.8%
Propane / LP gas 17.6%
Wood 47.1%
Households & families
Household type Count %
Married-couple family 11 32.4%
Cohabiting couple 5 14.7%
Male householder, no spouse 3 8.8%
Female householder, no spouse 15 44.1%
Households with children under 18 0 0.0%
Households with seniors (65+) 20 58.8%
Average household size 1.79
Marital status
Status Male Female
Never married 30.4% 26.3%
Married 47.8% 28.9%
Separated 13.0% 0.0%
Widowed 0.0% 23.7%
Divorced 8.7% 21.1%
Education
Some college, no degree
8.8%
Graduate / professional
0.0%
Metric %
HS diploma or higher 94.7%
Bachelor's or higher 12.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 12 100.0%
Employment
Industry of employment
Transportation & utilities
42.9%
Education & healthcare
42.9%
Finance & real estate
14.3%
Occupation
Category %
Management, business & arts 21.4%
Service 21.4%
Sales & office 14.3%
Natural resources & construction 0.0%
Production & transportation 42.9%
Employment type
Type %
Private sector 78.6%
Government 21.4%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 100.0%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 58.8%
Retirement income 50.0%
Supplemental Security 0.0%
Cash public assistance 8.8%
Food stamps / SNAP 5.9%
Health indicators
Condition %
Obesity 33.5%
High blood pressure 35.5%
High cholesterol 35.6%
Diabetes 12.0%
Heart disease 8.0%
Stroke 4.0%
Asthma 12.0%
Arthritis 29.7%
Kidney disease 3.6%
Pulmonary disease 9.8%
Cancer 7.7%
Behavior / access %
Smoking 20.5%
Binge drinking 16.1%
No physical activity 22.1%
Less than 7 hrs sleep 32.3%
Depression 27.7%
Fair or poor health 18.5%
Poor mental health 16.5%
Poor physical health 14.5%
No health insurance 11.8%
Visited doctor (checkup) 70.4%
Visited dentist 60.6%
Cholesterol screening 88.3%
Teeth loss 14.2%
Veterans & disability
Veterans Count %
Civilian veterans 7 11.5%
Disability %
Any disability 29.5%
Under 18 0.0%
18–64 years 22.0%
65 and over 45.0%
Health insurance coverage
Type %
Private insurance 31.1%
Public insurance 45.9%
No insurance 32.8%
Uninsured under 19 100.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 61 100.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 52 85.2%
Born in same state 52 85.2%
Born in different state 12 19.7%
Foreign born 0 0.0%
Naturalized citizen 9 14.8%
Not a US citizen 9 100.0%
Ancestry
Ancestry Count %
Italian 6 9.8%
Ancestry Count %
Dutch 2 3.3%
Technology access
Metric % of households
Computer access 55.7%
Internet access 64.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98670
What city is ZIP code 98670 in?
ZIP code 98670 is primarily assigned to Wahkiacus, Washington.
What county is ZIP code 98670 in?
ZIP code 98670 falls within Klickitat County, Washington.
Does ZIP code 98670 have a large retiree population?
59% of households in ZIP code 98670 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 98670 have an older population?
33% of residents in ZIP code 98670 are 65 or older, above the national average of ~17%.
What is the poverty rate in ZIP code 98670?
30% of residents in ZIP code 98670 live below the poverty line, above the national average.
How educated is the population of ZIP code 98670?
12% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What timezone is ZIP code 98670 in?
ZIP code 98670 observes the PST timezone.
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