ZipCodesToGo
Washington ZIP Codes
Stevens County
Loon Lake, WA
99148
99148 ZIP Code — Loon Lake, WA
Stevens County, Washington
ZIP code 99148 is located in
Loon Lake ,
Washington ,
within Stevens County .
It covers approximately 70.62 square miles and serves a population of
2,358 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
About ZIP code 99148
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $336,100. Owner-occupancy is high at 94%, well above the national average.
Median household income is $73,750. The poverty rate of 6% is below the national average. 50% 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. An above-average commute of 38 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.
Overall, ZIP code 99148 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.
99148 ZIP code map
View map of 99148
Cities in ZIP code 99148
Below are the cities the US Postal Service accepts for ZIP code 99148. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,358
Population density
33 / sq mi
State FIPS
53
County FIPS
065
Geography
Land area
70.62 sq mi
Water area
3.65 sq mi
Latitude
48.1310
Longitude
-117.5894
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
42.4%
49.6%
31.7%
$50k – $100k
31.6%
31.1%
30.6%
$100k – $200k
18.8%
15.5%
27.1%
Over $200k
7.2%
3.8%
10.6%
Demographics & statistics
$73,750
Median household income
$336,100
Median home value
30.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 340 14.4%
18 and over 2,018 85.6%
65 and over 689 29.2%
Median age 56.2 years
Race & ethnicity
American Indian / Alaska Native
1.3%
Group Count %
White 2,224 93.5%
Two or more races 71 3%
American Indian / Alaska Native 32 1.3%
Asian 25 1.1%
Hispanic or Latino 20 0.8%
Other race 6 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
42.4%
49.6%
31.7%
$50k – $100k
31.6%
31.1%
30.6%
$100k – $200k
18.8%
15.5%
27.1%
Over $200k
7.2%
3.8%
10.6%
Range % of households
Under $10k 3.7%
$10k–$15k 4.4%
$15k–$25k 11.9%
$25k–$35k 10.1%
$35k–$50k 5.7%
$50k–$75k 15.2%
$75k–$100k 13.7%
$100k–$150k 19.0%
$150k–$200k 7.3%
$200k+ 9.0%
Median income $73,750
Housing
Housing overview
Metric Value
Median home value $336,100
Median rent / month $960
Owner occupied 93.5%
Renter occupied 6.5%
Vacant 49.6%
Single-family detached 83.8%
Large apartment buildings 0.0%
Mobile homes 14.1%
Median rooms 5.3
Avg household size (owned) 2.27
Year built
Era %
2020 or later 0.4%
2010–2019 13.4%
2000–2009 15.5%
1990–1999 21.6%
1980–1989 6.4%
1970–1979 10.9%
1960–1969 12.7%
1950–1959 8.0%
1940–1949 6.4%
1939 or earlier 4.8%
Bedrooms
Size % of units
No bedroom (studio) 1.9%
1 bedroom 12.8%
2 bedrooms 28.2%
3 bedrooms 42.7%
4 bedrooms 10.2%
5+ bedrooms 4.2%
Vehicles per household
Vehicles % of households
No vehicle 0.4%
1 vehicle 21.0%
2 vehicles 50.5%
3 or more 28.1%
Heating fuel
Fuel type %
Utility gas 28.6%
Electricity 35.3%
Propane / LP gas 7.5%
Fuel oil 0.4%
Wood 26.4%
No fuel used 0.2%
Households & families
Household type Count %
Married-couple family 623 59.7%
Cohabiting couple 35 3.4%
Male householder, no spouse 199 19.1%
Female householder, no spouse 186 17.8%
Households with children under 18 183 17.5%
Households with seniors (65+) 530 50.8%
Average household size 2.26
Marital status
Status Male Female
Never married 18.4% 14.2%
Married 66.7% 62.7%
Separated 0.0% 0.6%
Widowed 3.0% 10.3%
Divorced 11.8% 12.3%
Education
Some college, no degree
22.0%
Graduate / professional
16.2%
Metric %
HS diploma or higher 94.3%
Bachelor's or higher 30.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 5 1.7%
Elementary school 182 60.5%
High school 97 32.2%
College / grad school 17 5.6%
Employment
Industry of employment
Education & healthcare
27.6%
Professional & management
12.6%
Arts, food & hospitality
10.5%
Transportation & utilities
9.5%
Public administration
5.8%
Finance & real estate
4.0%
Agriculture & mining
0.6%
Occupation
Category %
Management, business & arts 37.5%
Service 25.8%
Sales & office 15.1%
Natural resources & construction 11.8%
Production & transportation 9.8%
Employment type
Type %
Private sector 63.6%
Government 22.9%
Self-employed 13.5%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 75.7%
Carpool 6.6%
Public transit 3.0%
Walk 0.6%
Work from home 10.2%
Other means 3.8%
Avg commute (minutes) 38.0
Poverty
Married-couple families
3.4%
Female-led households
0.0%
Income support
Source % of households
Social Security 50.0%
Retirement income 35.3%
Supplemental Security 3.2%
Cash public assistance 3.7%
Food stamps / SNAP 9.5%
Health indicators
Condition %
Obesity 31.6%
High blood pressure 37.2%
High cholesterol 36.5%
Diabetes 11.6%
Heart disease 8.5%
Stroke 4.0%
Asthma 11.1%
Arthritis 32.1%
Kidney disease 3.7%
Pulmonary disease 9.2%
Cancer 8.7%
Behavior / access %
Smoking 17.5%
Binge drinking 14.2%
No physical activity 21.2%
Less than 7 hrs sleep 32.6%
Depression 25.0%
Fair or poor health 16.7%
Poor mental health 14.3%
Poor physical health 12.9%
No health insurance 10.0%
Visited doctor (checkup) 68.7%
Visited dentist 61.0%
Cholesterol screening 90.8%
Teeth loss 13.2%
Veterans & disability
Veterans Count %
Civilian veterans 237 11.7%
Disability %
Any disability 16.9%
Under 18 0.0%
18–64 years 14.9%
65 and over 29.2%
Health insurance coverage
Type %
Private insurance 69.9%
Public insurance 47.5%
No insurance 3.3%
Uninsured under 19 5.9%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,297 97.4%
Spanish 21 0.9%
Other Indo-European 21 0.9%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 2,343 99.4%
Born in same state 2,343 99.4%
Born in different state 1,492 63.3%
Foreign born 0 0.0%
Naturalized citizen 15 0.6%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
French 573 24.3%
Arab 235 10%
Italian 195 8.3%
Polish 126 5.3%
Ancestry Count %
Dutch 55 2.3%
English 34 1.4%
German 2 0.1%
Technology access
Metric % of households
Computer access 44.2%
Internet access 89.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99148
What city is ZIP code 99148 in?
ZIP code 99148 is primarily assigned to Loon Lake, Washington.
What county is ZIP code 99148 in?
ZIP code 99148 falls within Stevens County, Washington.
Is ZIP code 99148 mostly owner-occupied?
94% of occupied units in ZIP code 99148 are owner-occupied, well above the national average.
Does ZIP code 99148 have an older population?
29% of residents in ZIP code 99148 are 65 or older, above the national average of ~17%.
Does ZIP code 99148 have a large retiree population?
50% of households in ZIP code 99148 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 99148 have a large veteran population?
12% of civilians in ZIP code 99148 are veterans, above the national average of ~7%.
What timezone is ZIP code 99148 in?
ZIP code 99148 observes the PST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →