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Washington ZIP Codes
Whitman County
Garfield, WA
99130
99130 ZIP Code — Garfield, WA
Whitman County, Washington
ZIP code 99130 is located in
Garfield ,
Washington ,
within Whitman County .
It covers approximately 80.99 square miles and serves a population of
833 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
About ZIP code 99130
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $187,900. Owner-occupancy is high at 79%, well above the national average.
Median household income is $75,000. SNAP benefit usage at 19% 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 agriculture and mining as the leading industry. The average commute of 27 minutes is near the national average.
Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.
Overall, ZIP code 99130 reflects a community defined by high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.
99130 ZIP code map
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Cities in ZIP code 99130
Below are the cities the US Postal Service accepts for ZIP code 99130. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
833
Population density
10 / sq mi
State FIPS
53
County FIPS
075
Geography
Land area
80.99 sq mi
Water area
0.00 sq mi
Latitude
46.9998
Longitude
-117.1660
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
45.0%
55.9%
31.7%
$50k – $100k
42.1%
24.5%
30.6%
$100k – $200k
11.4%
15.6%
27.1%
Over $200k
1.5%
4.0%
10.6%
Demographics & statistics
$75,000
Median household income
$187,900
Median home value
29.2%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 222 26.7% 18 and over 611 73.3% 65 and over 142 17.0% Median age 38.4 years
Race & ethnicity
American Indian / Alaska Native
0.9%
Group Count % White 737 85% Two or more races 88 10.1% Hispanic or Latino 34 3.9% American Indian / Alaska Native 8 0.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
45.0%
55.9%
31.7%
$50k – $100k
42.1%
24.5%
30.6%
$100k – $200k
11.4%
15.6%
27.1%
Over $200k
1.5%
4.0%
10.6%
Range % of households Under $10k 3.6% $10k–$15k 8.8% $15k–$25k 3.6% $25k–$35k 10.1% $35k–$50k 8.8% $50k–$75k 15.0% $75k–$100k 23.9% $100k–$150k 18.3% $150k–$200k 1.0% $200k+ 6.9% Median income $75,000
Housing
Housing overview
Metric Value Median home value $187,900 Median rent / month $913 Owner occupied 79.4% Renter occupied 20.6% Vacant 10.8% Single-family detached 78.1% Large apartment buildings 1.7% Mobile homes 13.7% Median rooms 6.4 Avg household size (owned) 2.68
Year built
Era % 2020 or later 0.0% 2010–2019 2.9% 2000–2009 7.0% 1990–1999 9.6% 1980–1989 4.7% 1970–1979 11.7% 1960–1969 6.1% 1950–1959 5.5% 1940–1949 3.2% 1939 or earlier 49.3%
Bedrooms
Size % of units No bedroom (studio) 5.0% 1 bedroom 5.8% 2 bedrooms 25.7% 3 bedrooms 36.2% 4 bedrooms 23.0% 5+ bedrooms 4.4%
Vehicles per household
Vehicles % of households No vehicle 6.9% 1 vehicle 23.2% 2 vehicles 28.1% 3 or more 41.8%
Heating fuel
Fuel type % Utility gas 1.0% Electricity 68.6% Propane / LP gas 0.3% Fuel oil 16.3% Wood 9.5%
Households & families
Household type Count % Married-couple family 187 61.1% Cohabiting couple 9 2.9% Male householder, no spouse 31 10.1% Female householder, no spouse 79 25.8% Households with children under 18 123 40.2% Households with seniors (65+) 101 33.0% Average household size 2.72
Marital status
Status Male Female Never married 21.2% 18.4% Married 67.6% 58.9% Separated 0.0% 2.8% Widowed 0.3% 4.0% Divorced 10.8% 15.9%
Education
Some college, no degree
31.7%
Graduate / professional
8.3%
Metric % HS diploma or higher 93.9% Bachelor's or higher 29.2%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 8 3.9% Kindergarten 2 1.0% Elementary school 107 51.7% High school 56 27.1% College / grad school 34 16.4%
Employment
Industry of employment
Agriculture & mining
20.2%
Education & healthcare
20.2%
Professional & management
9.7%
Public administration
8.4%
Arts, food & hospitality
7.8%
Finance & real estate
6.7%
Transportation & utilities
1.1%
Occupation
Category % Management, business & arts 49.6% Service 11.1% Sales & office 21.6% Natural resources & construction 9.7% Production & transportation 8.1%
Employment type
Type % Private sector 71.2% Government 28.0% Self-employed 0.8% Unpaid family workers 0.0%
Commute
Method % Drive alone 90.1% Carpool 2.7% Public transit 0.0% Walk 4.9% Work from home 2.2% Other means 0.0% Avg commute (minutes) 26.9
Poverty
Married-couple families
9.6%
Female-led households
38.7%
Income support
Source % of households Social Security 38.9% Retirement income 29.1% Supplemental Security 5.9% Cash public assistance 2.3% Food stamps / SNAP 18.6%
Health indicators
Condition % Obesity 30.8% High blood pressure 32.6% High cholesterol 34.5% Diabetes 8.8% Heart disease 6.9% Stroke 3.1% Asthma 10.5% Arthritis 27.1% Kidney disease 3.1% Pulmonary disease 6.5% Cancer 8.4%
Behavior / access % Smoking 13.4% Binge drinking 16.6% No physical activity 17.2% Less than 7 hrs sleep 26.9% Depression 25.8% Fair or poor health 12.3% Poor mental health 13.9% Poor physical health 10.3% No health insurance 8.2% Visited doctor (checkup) 71.6% Visited dentist 73.3% Cholesterol screening 90.9% Teeth loss 9.5%
Veterans & disability
Veterans Count % Civilian veterans 61 10.0%
Disability % Any disability 11.2% Under 18 0.0% 18–64 years 8.7% 65 and over 36.6%
Health insurance coverage
Type % Private insurance 71.8% Public insurance 39.3% No insurance 1.9% Uninsured under 19 3.6%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 793 95.2% Spanish 3 0.4% Other Indo-European 0 0.0% Asian & Pacific Islander 3 0.4% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 833 100.0% Born in same state 833 100.0% Born in different state 446 53.5% Foreign born 0 0.0% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Italian 128 15.4% French 100 12% English 76 9.1% Polish 37 4.4%
Ancestry Count % Dutch 27 3.2% Arab 20 2.4% Norwegian 6 0.7% German 2 0.2%
Technology access
Metric % of households Computer access 36.7% Internet access 88.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99130
What city is ZIP code 99130 in?
ZIP code 99130 is primarily assigned to Garfield, Washington.
What county is ZIP code 99130 in?
ZIP code 99130 falls within Whitman County, Washington.
What is the poverty rate in ZIP code 99130?
17% of residents in ZIP code 99130 live below the poverty line, above the national average.
Does ZIP code 99130 have a large retiree population?
39% of households in ZIP code 99130 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 99130 have a large veteran population?
10% of civilians in ZIP code 99130 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 99130?
The median home value in ZIP code 99130 is $187,900.
What timezone is ZIP code 99130 in?
ZIP code 99130 observes the PST timezone.
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