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Washington ZIP Codes
Adams County
Benge, WA
99105
99105 ZIP Code — Benge, WA
Adams County, Washington
ZIP code 99105 is located in
Benge ,
Washington ,
within Adams County .
It covers approximately 149.88 square miles and serves a population of
31 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
99105 ZIP code map
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Cities in ZIP code 99105
Below are the cities the US Postal Service accepts for ZIP code 99105. Using any city not on this list may result in mail delivery delays.
City
Status
Benge
Acceptable
Demographics
updated 05/2026
Population
Total population
31
Population density
0 / sq mi
State FIPS
53
County FIPS
001
Geography
Land area
149.88 sq mi
Water area
0.53 sq mi
Latitude
46.8915
Longitude
-118.0707
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.1%
45.3%
31.7%
$50k – $100k
38.1%
35.1%
30.6%
$100k – $200k
4.8%
17.0%
27.1%
Over $200k
0.0%
2.6%
10.6%
Demographics & statistics
$59,375
Median household income
16.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 7 22.6%
18 and over 24 77.4%
65 and over 10 32.3%
Median age 56.8 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.1%
45.3%
31.7%
$50k – $100k
38.1%
35.1%
30.6%
$100k – $200k
4.8%
17.0%
27.1%
Over $200k
0.0%
2.6%
10.6%
Range % of households
$35k–$50k 33.3%
$50k–$75k 33.3%
$100k–$150k 13.3%
$150k–$200k 13.3%
$200k+ 6.7%
Median income $59,375
Housing
Housing overview
Metric Value
Median home value $70,000
Median rent / month $0
Owner occupied 66.7%
Renter occupied 33.3%
Vacant 21.1%
Single-family detached 84.2%
Large apartment buildings 0.0%
Mobile homes 15.8%
Median rooms 6.2
Avg household size (owned) 1.70
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 5.3%
1970–1979 0.0%
1960–1969 10.5%
1950–1959 0.0%
1940–1949 10.5%
1939 or earlier 73.7%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 47.4%
3 bedrooms 42.1%
4 bedrooms 10.5%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 6.7%
2 vehicles 33.3%
3 or more 60.0%
Heating fuel
Fuel type %
Electricity 40.0%
Fuel oil 20.0%
Wood 13.3%
No fuel used 6.7%
Households & families
Household type Count %
Married-couple family 10 66.7%
Cohabiting couple 2 13.3%
Male householder, no spouse 2 13.3%
Female householder, no spouse 1 6.7%
Households with children under 18 2 13.3%
Households with seniors (65+) 9 60.0%
Average household size 2.07
Marital status
Status Male Female
Never married 16.7% 0.0%
Married 66.7% 83.3%
Separated 0.0% 0.0%
Widowed 0.0% 8.3%
Divorced 16.7% 8.3%
Education
Some college, no degree
33.3%
Graduate / professional
8.3%
Metric %
HS diploma or higher 95.8%
Bachelor's or higher 16.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 3 100.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Education & healthcare
50.0%
Agriculture & mining
14.3%
Transportation & utilities
7.1%
Professional & management
7.1%
Occupation
Category %
Management, business & arts 21.4%
Service 42.9%
Sales & office 0.0%
Natural resources & construction 14.3%
Production & transportation 21.4%
Employment type
Type %
Private sector 21.4%
Government 50.0%
Self-employed 28.6%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 50.0%
Carpool 33.3%
Public transit 0.0%
Walk 16.7%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 7.9
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 73.3%
Retirement income 26.7%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 33.3%
Health indicators
Condition %
Obesity 32.2%
High blood pressure 43.8%
High cholesterol 42.5%
Diabetes 14.8%
Heart disease 11.5%
Stroke 5.5%
Asthma 11.4%
Arthritis 40.9%
Kidney disease 4.9%
Pulmonary disease 11.2%
Cancer 11.8%
Behavior / access %
Smoking 15.0%
Binge drinking 10.0%
No physical activity 26.0%
Less than 7 hrs sleep 29.5%
Depression 23.2%
Fair or poor health 19.6%
Poor mental health 13.2%
Poor physical health 15.7%
No health insurance 8.7%
Visited doctor (checkup) 76.7%
Visited dentist 64.2%
Cholesterol screening 94.9%
Teeth loss 16.2%
Veterans & disability
Veterans Count %
Civilian veterans 2 8.3%
Disability %
Any disability 6.5%
Under 18 0.0%
18–64 years 14.3%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 45.2%
Public insurance 64.5%
No insurance 9.7%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 27 87.1%
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) 31 100.0%
Born in same state 31 100.0%
Born in different state 28 90.3%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 5 16.1%
Arab 2 6.5%
Ancestry Count %
French 1 3.2%
Technology access
Metric % of households
Computer access 48.4%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99105
What city is ZIP code 99105 in?
ZIP code 99105 is primarily assigned to Benge, Washington.
What county is ZIP code 99105 in?
ZIP code 99105 falls within Adams County, Washington.
Does ZIP code 99105 have a large retiree population?
73% of households in ZIP code 99105 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 99105 have an older population?
32% of residents in ZIP code 99105 are 65 or older, above the national average of ~17%.
What is the typical home value in ZIP code 99105?
The median home value in ZIP code 99105 is $70,000.
What is the population of ZIP code 99105?
ZIP code 99105 has an estimated population of 31 residents.
What timezone is ZIP code 99105 in?
ZIP code 99105 observes the PST timezone.
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