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Washington ZIP Codes
Okanogan County
Nespelem, WA
99155
99155 ZIP Code — Nespelem, WA
Okanogan County, Washington
ZIP code 99155 is located in
Nespelem ,
Washington ,
within Okanogan County .
It covers approximately 305.23 square miles and serves a population of
977 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
About ZIP code 99155
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $140,100. Owner-occupancy sits near the national average at 67%.
The gap between median ($31,875) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 30% of residents, above the national average. SNAP benefit usage at 42% of households reflects economic stress in the area. 47% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with public administration as the leading industry. The average commute of 19 minutes is near the national average.
College attainment at 9% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (27%) compared to national benchmarks. 20% of residents lack health insurance, above the national average.
Overall, ZIP code 99155 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.
99155 ZIP code map
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Cities in ZIP code 99155
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Demographics
updated 06/2026
Population
Total population
977
Population density
3 / sq mi
State FIPS
53
County FIPS
047
Geography
Land area
305.23 sq mi
Water area
3.13 sq mi
Latitude
48.1926
Longitude
-119.0581
Timezone
Pacific (PT)
Area code
509
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
62.7%
52.2%
31.7%
$50k – $100k
20.8%
31.7%
30.6%
$100k – $200k
13.5%
13.9%
27.1%
Over $200k
3.0%
2.2%
10.6%
Demographics & statistics
$31,875
Median household income
$140,100
Median home value
Age distribution
Age summary
Group Count %
Under 18 228 23.3%
18 and over 749 76.7%
65 and over 209 21.4%
Median age 35.5 years
Race & ethnicity
American Indian / Alaska Native
83.4%
Group Count %
American Indian / Alaska Native 828 83.4%
White 106 10.7%
Two or more races 37 3.7%
Hispanic or Latino 16 1.6%
Other race 6 0.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
62.7%
52.2%
31.7%
$50k – $100k
20.8%
31.7%
30.6%
$100k – $200k
13.5%
13.9%
27.1%
Over $200k
3.0%
2.2%
10.6%
Range % of households
Under $10k 13.0%
$10k–$15k 9.2%
$15k–$25k 9.2%
$25k–$35k 20.9%
$35k–$50k 7.9%
$50k–$75k 13.6%
$75k–$100k 6.0%
$100k–$150k 10.6%
$150k–$200k 6.0%
$200k+ 3.8%
Median income $31,875
Housing
Housing overview
Metric Value
Median home value $140,100
Median rent / month $400
Owner occupied 67.2%
Renter occupied 32.8%
Vacant 11.9%
Single-family detached 69.9%
Large apartment buildings 0.0%
Mobile homes 19.8%
Median rooms 5.2
Avg household size (owned) 2.77
Year built
Era %
2020 or later 0.0%
2010–2019 3.1%
2000–2009 14.1%
1990–1999 16.9%
1980–1989 29.4%
1970–1979 18.4%
1960–1969 5.0%
1950–1959 1.9%
1940–1949 2.1%
1939 or earlier 9.1%
Bedrooms
Size % of units
No bedroom (studio) 2.1%
1 bedroom 8.1%
2 bedrooms 12.9%
3 bedrooms 50.8%
4 bedrooms 21.2%
5+ bedrooms 4.8%
Vehicles per household
Vehicles % of households
No vehicle 9.5%
1 vehicle 26.6%
2 vehicles 30.4%
3 or more 33.6%
Heating fuel
Fuel type %
Electricity 36.3%
Propane / LP gas 4.6%
Wood 56.9%
Households & families
Household type Count %
Married-couple family 72 19.5%
Cohabiting couple 30 8.1%
Male householder, no spouse 75 20.3%
Female householder, no spouse 192 52.0%
Households with children under 18 168 45.5%
Households with seniors (65+) 164 44.4%
Average household size 2.55
Marital status
Status Male Female
Never married 51.2% 31.5%
Married 28.0% 29.7%
Separated 1.7% 0.6%
Widowed 5.2% 10.4%
Divorced 13.8% 27.8%
Education
Some college, no degree
32.5%
Graduate / professional
5.3%
Metric %
HS diploma or higher 91.0%
Bachelor's or higher 8.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 32 12.1%
Kindergarten 15 5.7%
Elementary school 113 42.8%
High school 33 12.5%
College / grad school 71 26.9%
Employment
Industry of employment
Public administration
30.4%
Education & healthcare
24.4%
Agriculture & mining
10.9%
Arts, food & hospitality
7.6%
Professional & management
4.6%
Finance & real estate
2.0%
Transportation & utilities
1.0%
Occupation
Category %
Management, business & arts 28.4%
Service 21.8%
Sales & office 30.7%
Natural resources & construction 13.5%
Production & transportation 5.6%
Employment type
Type %
Private sector 27.4%
Government 71.3%
Self-employed 1.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 85.7%
Carpool 7.3%
Public transit 0.0%
Walk 0.7%
Work from home 6.3%
Other means 0.0%
Avg commute (minutes) 19.2
Poverty
Married-couple families
11.1%
Female-led households
46.1%
Income support
Source % of households
Social Security 47.2%
Retirement income 15.4%
Supplemental Security 19.5%
Cash public assistance 11.1%
Food stamps / SNAP 42.0%
Health indicators
Condition %
Obesity 38.7%
High blood pressure 32.3%
High cholesterol 26.0%
Diabetes 14.1%
Heart disease 7.3%
Stroke 4.3%
Asthma 14.2%
Arthritis 26.2%
Kidney disease 3.6%
Pulmonary disease 8.2%
Cancer 5.7%
Behavior / access %
Smoking 26.6%
Binge drinking 16.9%
No physical activity 24.6%
Less than 7 hrs sleep 37.8%
Depression 28.0%
Fair or poor health 22.0%
Poor mental health 20.5%
Poor physical health 15.3%
No health insurance 12.4%
Visited doctor (checkup) 69.3%
Visited dentist 52.4%
Cholesterol screening 84.7%
Teeth loss 20.9%
Veterans & disability
Veterans Count %
Civilian veterans 60 8.0%
Disability %
Any disability 21.3%
Under 18 7.9%
18–64 years 17.5%
65 and over 49.4%
Health insurance coverage
Type %
Private insurance 44.9%
Public insurance 50.7%
No insurance 20.1%
Uninsured under 19 11.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 902 92.3%
Spanish 8 0.9%
Other Indo-European 5 0.6%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 971 99.4%
Born in same state 968 99.1%
Born in different state 854 87.4%
Foreign born 3 0.3%
Naturalized citizen 6 0.6%
Not a US citizen 1 16.7%
Ancestry
Ancestry Count %
Arab 37 3.8%
Italian 12 1.2%
Ancestry Count %
Polish 10 1%
French 10 1%
Technology access
Metric % of households
Computer access 37.8%
Internet access 91.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99155
What city is ZIP code 99155 in?
ZIP code 99155 is primarily assigned to Nespelem, Washington.
What county is ZIP code 99155 in?
ZIP code 99155 falls within Okanogan County, Washington.
What is the poverty rate in ZIP code 99155?
30% of residents in ZIP code 99155 live below the poverty line, above the national average.
How educated is the population of ZIP code 99155?
9% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 99155 have a large retiree population?
47% of households in ZIP code 99155 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 99155?
The median home value in ZIP code 99155 is $140,100.
What timezone is ZIP code 99155 in?
ZIP code 99155 observes the PST timezone.
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