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Washington ZIP Codes
Pend Oreille County
Usk, WA
99180
99180 ZIP Code — Usk, WA
Pend Oreille County, Washington
ZIP code 99180 is located in
Usk ,
Washington ,
within Pend Oreille County .
It covers approximately 162.43 square miles and serves a population of
741 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
About ZIP code 99180
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $293,800. Owner-occupancy is high at 84%, well above the national average.
The gap between median ($53,451) 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. SNAP benefit usage at 17% of households reflects economic stress in the area. 50% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is service, with public administration as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.
Overall, ZIP code 99180 reflects a community defined by a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.
99180 ZIP code map
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Cities in ZIP code 99180
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City
Status
Usk
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
741
Population density
5 / sq mi
State FIPS
53
County FIPS
051
Geography
Land area
162.43 sq mi
Water area
3.77 sq mi
Latitude
48.3158
Longitude
-117.3383
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
60.0%
44.2%
31.7%
$50k – $100k
22.2%
36.4%
30.6%
$100k – $200k
12.2%
15.5%
27.1%
Over $200k
5.5%
3.9%
10.6%
Demographics & statistics
$53,451
Median household income
$293,800
Median home value
23.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 204 27.5%
18 and over 537 72.5%
65 and over 197 26.6%
Median age 50.1 years
Race & ethnicity
American Indian / Alaska Native
10.2%
Group Count %
White 582 75%
American Indian / Alaska Native 79 10.2%
Asian 43 5.5%
Hispanic or Latino 35 4.5%
Two or more races 29 3.7%
Other race 8 1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
60.0%
44.2%
31.7%
$50k – $100k
22.2%
36.4%
30.6%
$100k – $200k
12.2%
15.5%
27.1%
Over $200k
5.5%
3.9%
10.6%
Range % of households
Under $10k 1.3%
$10k–$15k 2.3%
$15k–$25k 13.3%
$25k–$35k 3.0%
$35k–$50k 24.3%
$50k–$75k 20.9%
$75k–$100k 14.0%
$100k–$150k 10.3%
$150k–$200k 3.0%
$200k+ 7.6%
Median income $53,451
Housing
Housing overview
Metric Value
Median home value $293,800
Median rent / month $0
Owner occupied 84.1%
Renter occupied 15.9%
Vacant 34.1%
Single-family detached 67.4%
Large apartment buildings 0.0%
Mobile homes 28.9%
Median rooms 5.4
Avg household size (owned) 2.44
Year built
Era %
2020 or later 2.2%
2010–2019 2.8%
2000–2009 19.5%
1990–1999 19.9%
1980–1989 13.6%
1970–1979 8.5%
1960–1969 4.8%
1950–1959 7.0%
1940–1949 9.6%
1939 or earlier 12.0%
Bedrooms
Size % of units
No bedroom (studio) 3.7%
1 bedroom 23.4%
2 bedrooms 18.6%
3 bedrooms 29.1%
4 bedrooms 16.6%
5+ bedrooms 8.5%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 16.3%
2 vehicles 36.5%
3 or more 47.2%
Heating fuel
Fuel type %
Utility gas 4.0%
Electricity 42.5%
Propane / LP gas 3.3%
Wood 34.2%
No fuel used 1.3%
Households & families
Household type Count %
Married-couple family 157 52.2%
Cohabiting couple 0 0.0%
Male householder, no spouse 87 28.9%
Female householder, no spouse 57 18.9%
Households with children under 18 52 17.3%
Households with seniors (65+) 149 49.5%
Average household size 2.46
Marital status
Status Male Female
Never married 15.4% 31.8%
Married 64.0% 53.0%
Separated 7.5% 3.3%
Widowed 0.7% 4.6%
Divorced 12.4% 7.3%
Education
Some college, no degree
26.5%
Graduate / professional
1.8%
Metric %
HS diploma or higher 97.6%
Bachelor's or higher 23.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 5 3.2%
Kindergarten 29 18.8%
Elementary school 62 40.3%
High school 46 29.9%
College / grad school 12 7.8%
Employment
Industry of employment
Public administration
21.9%
Agriculture & mining
15.9%
Education & healthcare
10.4%
Transportation & utilities
6.0%
Arts, food & hospitality
4.5%
Finance & real estate
2.0%
Professional & management
2.0%
Occupation
Category %
Management, business & arts 21.4%
Service 26.9%
Sales & office 12.4%
Natural resources & construction 18.9%
Production & transportation 20.4%
Employment type
Type %
Private sector 52.7%
Government 37.3%
Self-employed 4.0%
Unpaid family workers 6.0%
Commute
Method %
Drive alone 75.6%
Carpool 6.5%
Public transit 5.0%
Walk 0.0%
Work from home 12.9%
Other means 0.0%
Avg commute (minutes) 25.0
Poverty
Married-couple families
5.7%
Female-led households
0.0%
Income support
Source % of households
Social Security 49.5%
Retirement income 36.9%
Supplemental Security 3.3%
Cash public assistance 2.3%
Food stamps / SNAP 17.3%
Health indicators
Condition %
Obesity 32.5%
High blood pressure 37.5%
High cholesterol 37.9%
Diabetes 12.4%
Heart disease 8.7%
Stroke 4.1%
Asthma 11.3%
Arthritis 33.1%
Kidney disease 3.8%
Pulmonary disease 9.2%
Cancer 8.3%
Behavior / access %
Smoking 18.9%
Binge drinking 15.1%
No physical activity 21.9%
Less than 7 hrs sleep 31.6%
Depression 26.8%
Fair or poor health 17.9%
Poor mental health 15.4%
Poor physical health 13.9%
No health insurance 10.3%
Visited doctor (checkup) 69.5%
Visited dentist 58.2%
Cholesterol screening 90.1%
Teeth loss 15.4%
Veterans & disability
Veterans Count %
Civilian veterans 77 14.3%
Disability %
Any disability 16.2%
Under 18 1.0%
18–64 years 18.2%
65 and over 28.4%
Health insurance coverage
Type %
Private insurance 43.6%
Public insurance 72.3%
No insurance 0.8%
Uninsured under 19 0.9%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 671 90.6%
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) 717 96.8%
Born in same state 717 96.8%
Born in different state 450 60.7%
Foreign born 0 0.0%
Naturalized citizen 24 3.2%
Not a US citizen 24 100.0%
Ancestry
Ancestry Count %
French 107 14.4%
Dutch 44 5.9%
Arab 39 5.3%
Italian 35 4.7%
Ancestry Count %
English 16 2.2%
German 15 2%
Polish 3 0.4%
Technology access
Metric % of households
Computer access 40.6%
Internet access 98.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99180
What city is ZIP code 99180 in?
ZIP code 99180 is primarily assigned to Usk, Washington.
What county is ZIP code 99180 in?
ZIP code 99180 falls within Pend Oreille County, Washington.
Does ZIP code 99180 have an older population?
27% of residents in ZIP code 99180 are 65 or older, above the national average of ~17%.
Does ZIP code 99180 have a large retiree population?
50% of households in ZIP code 99180 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 99180 mostly owner-occupied?
84% of occupied units in ZIP code 99180 are owner-occupied, well above the national average.
Does ZIP code 99180 have a large veteran population?
14% of civilians in ZIP code 99180 are veterans, above the national average of ~7%.
What timezone is ZIP code 99180 in?
ZIP code 99180 observes the PST timezone.
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