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Washington ZIP Codes
Okanogan County
Okanogan, WA
98840
98840 ZIP Code — Okanogan, WA
Okanogan County, Washington
ZIP code 98840 is located in
Okanogan ,
Washington ,
within Okanogan County .
It covers approximately 532.97 square miles and serves a population of
4,775 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
About ZIP code 98840
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $229,100. Owner-occupancy sits near the national average at 65%.
Median household income is $63,179. SNAP benefit usage at 21% of households reflects economic stress in the area. 39% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 17 minutes is near the national average.
College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (23%) compared to national benchmarks.
Overall, ZIP code 98840 reflects a community defined by a significant Social Security-dependent population and elevated reliance on food assistance.
98840 ZIP code map
View map of 98840
Cities in ZIP code 98840
Below are the cities the US Postal Service accepts for ZIP code 98840. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
4,775
Population density
9 / sq mi
State FIPS
53
County FIPS
047
Geography
Land area
532.97 sq mi
Water area
6.97 sq mi
Latitude
48.3193
Longitude
-119.6009
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
48.8%
52.2%
31.7%
$50k – $100k
31.2%
31.7%
30.6%
$100k – $200k
19.1%
13.9%
27.1%
Over $200k
0.8%
2.2%
10.6%
Demographics & statistics
$63,179
Median household income
$229,100
Median home value
20.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,224 25.6%
18 and over 3,551 74.4%
65 and over 1,152 24.1%
Median age 42.1 years
Race & ethnicity
American Indian / Alaska Native
5.5%
Native Hawaiian / Pacific Islander
0.9%
Black or African American
0.3%
Group Count %
White 3,701 73.3%
Two or more races 512 10.1%
American Indian / Alaska Native 278 5.5%
Hispanic or Latino 277 5.5%
Other race 214 4.2%
Native Hawaiian / Pacific Islander 46 0.9%
Black or African American 16 0.3%
Asian 8 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
48.8%
52.2%
31.7%
$50k – $100k
31.2%
31.7%
30.6%
$100k – $200k
19.1%
13.9%
27.1%
Over $200k
0.8%
2.2%
10.6%
Range % of households
Under $10k 5.7%
$10k–$15k 4.8%
$15k–$25k 3.8%
$25k–$35k 14.1%
$35k–$50k 11.8%
$50k–$75k 15.6%
$75k–$100k 17.7%
$100k–$150k 17.2%
$150k–$200k 5.2%
$200k+ 4.1%
Median income $63,179
Housing
Housing overview
Metric Value
Median home value $229,100
Median rent / month $960
Owner occupied 65.0%
Renter occupied 35.0%
Vacant 14.2%
Single-family detached 75.4%
Large apartment buildings 0.4%
Mobile homes 19.1%
Median rooms 5.6
Avg household size (owned) 2.26
Year built
Era %
2020 or later 0.0%
2010–2019 5.7%
2000–2009 3.7%
1990–1999 7.4%
1980–1989 8.5%
1970–1979 26.7%
1960–1969 9.9%
1950–1959 8.6%
1940–1949 11.9%
1939 or earlier 17.7%
Bedrooms
Size % of units
No bedroom (studio) 4.3%
1 bedroom 9.4%
2 bedrooms 26.8%
3 bedrooms 41.7%
4 bedrooms 14.2%
5+ bedrooms 3.6%
Vehicles per household
Vehicles % of households
No vehicle 2.9%
1 vehicle 27.1%
2 vehicles 32.5%
3 or more 37.5%
Heating fuel
Fuel type %
Utility gas 2.7%
Electricity 77.1%
Propane / LP gas 0.2%
Fuel oil 0.7%
Wood 17.8%
Households & families
Household type Count %
Married-couple family 962 51.6%
Cohabiting couple 75 4.0%
Male householder, no spouse 273 14.7%
Female householder, no spouse 553 29.7%
Households with children under 18 760 40.8%
Households with seniors (65+) 761 40.8%
Average household size 2.43
Marital status
Status Male Female
Never married 26.9% 29.9%
Married 58.1% 47.9%
Separated 0.9% 1.5%
Widowed 1.5% 7.0%
Divorced 12.6% 13.7%
Education
Some college, no degree
31.1%
Graduate / professional
6.9%
Metric %
HS diploma or higher 91.4%
Bachelor's or higher 20.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 35 3.1%
Kindergarten 62 5.6%
Elementary school 568 50.9%
High school 359 32.1%
College / grad school 93 8.3%
Employment
Industry of employment
Education & healthcare
23.3%
Public administration
11.3%
Arts, food & hospitality
9.0%
Agriculture & mining
6.8%
Transportation & utilities
5.6%
Professional & management
5.6%
Finance & real estate
1.7%
Occupation
Category %
Management, business & arts 36.1%
Service 17.5%
Sales & office 17.1%
Natural resources & construction 16.5%
Production & transportation 12.8%
Employment type
Type %
Private sector 66.9%
Government 27.0%
Self-employed 6.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 69.7%
Carpool 18.0%
Public transit 2.0%
Walk 3.7%
Work from home 5.2%
Other means 1.4%
Avg commute (minutes) 16.9
Poverty
Married-couple families
7.3%
Female-led households
26.9%
Income support
Source % of households
Social Security 39.0%
Retirement income 27.9%
Supplemental Security 3.5%
Cash public assistance 7.5%
Food stamps / SNAP 21.4%
Health indicators
Condition %
Obesity 36.8%
High blood pressure 36.2%
High cholesterol 32.6%
Diabetes 13.1%
Heart disease 8.9%
Stroke 4.5%
Asthma 12.4%
Arthritis 31.8%
Kidney disease 4.0%
Pulmonary disease 10.5%
Cancer 7.3%
Behavior / access %
Smoking 23.2%
Binge drinking 14.8%
No physical activity 26.8%
Less than 7 hrs sleep 34.2%
Depression 27.7%
Fair or poor health 22.5%
Poor mental health 17.7%
Poor physical health 15.9%
No health insurance 15.7%
Visited doctor (checkup) 68.8%
Visited dentist 50.7%
Cholesterol screening 85.4%
Teeth loss 20.2%
Veterans & disability
Veterans Count %
Civilian veterans 392 11.0%
Disability %
Any disability 19.7%
Under 18 6.9%
18–64 years 16.0%
65 and over 41.1%
Health insurance coverage
Type %
Private insurance 53.3%
Public insurance 57.0%
No insurance 5.9%
Uninsured under 19 0.9%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 4,549 95.3%
Spanish 96 2.1%
Other Indo-European 83 1.8%
Asian & Pacific Islander 0 0.0%
Other languages 8 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 4,592 96.2%
Born in same state 4,581 95.9%
Born in different state 3,461 72.5%
Foreign born 11 0.2%
Naturalized citizen 183 3.8%
Not a US citizen 53 29.0%
Ancestry
Ancestry Count %
Italian 777 16.3%
Arab 683 14.3%
French 513 10.7%
Polish 288 6%
Ancestry Count %
German 51 1.1%
English 36 0.8%
Dutch 14 0.3%
Irish 10 0.2%
Technology access
Metric % of households
Computer access 39.0%
Internet access 92.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98840
What city is ZIP code 98840 in?
ZIP code 98840 is primarily assigned to Okanogan, Washington.
What county is ZIP code 98840 in?
ZIP code 98840 falls within Okanogan County, Washington.
Does ZIP code 98840 have a large retiree population?
39% of households in ZIP code 98840 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 98840 have a large veteran population?
11% of civilians in ZIP code 98840 are veterans, above the national average of ~7%.
What is the population of ZIP code 98840?
ZIP code 98840 has an estimated population of 4,775 residents, with a density of 9 people per square mile.
What is the median household income in ZIP code 98840?
The median household income in ZIP code 98840 is $63,179, below the national median of ~$75,000.
What timezone is ZIP code 98840 in?
ZIP code 98840 observes the PST timezone.
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