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99128 ZIP Code

Farmington, Washington

December 13, 2025
ZIP Code:99128
City/Town:Farmington
County:Whitman
State:Washington
ZIP Type:Standard
Population:289
Median Household Income:$57,143
Per Capita Income:$36,250
Total Housing Units:159
Median Home Value:$265,600
Land Area:59.5 sq miles
154.1 sq km
Water Area:0.0 sq miles
0.0 sq km
Coordinates:47.0979, -117.0813

Population Information (99128 zip code)

#%US
Total Population:289----
Male:16958.5%49.6%
Female:12041.5%50.4%
Median Age:49.8 yrs--38.5 yrs
Under 5 years:113.8%5.7%
5 to 9 years:155.2%6.0%
10 to 14 years:217.3%6.5%
15 to 19 years:113.8%6.6%
20 to 24 years:72.4%6.7%
25 to 34 years:134.5%13.7%
35 to 44 years:289.7%12.9%
45 to 54 years:5318.3%12.4%
55 to 59 years:3010.4%6.5%
60 to 64 years:3311.4%6.4%
65 to 74 years:4314.9%9.7%
75 to 84 years:155.2%4.8%
85 years and over:93.1%2.0%

Housing Information (99128 zip code)

#%US
Median home value:$265,600--$281,900
Median rooms:5.9--5.5
Median rent:$550 / mo.--$1,268 / mo.
Total housing units:159----
Occupied housing units:13081.8%38.0%
Vacant housing units:2918.2%4.6%
Housing tenure:------
Owner-occupied:11185.4%64.8%
Renter-occupied:1914.6%35.2%

Educational Attainment (99128 zip code)

#%US
Population 25 years and over:224----
Less than 9th grade:31.3%4.7%
9th to 12th grade, no diploma:31.3%6.1%
High school graduate:5223.2%26.4%
Some college, no degree:5926.3%19.7%
Associate degree:3616.1%8.7%
Bachelor's degree:5926.3%20.9%
Graduate or professional degree:125.4%13.7%
Percent high school graduate or higher:--97.3%89.1%
Percent bachelor's degree or higher:--31.7%34.3%

Income Information (99128 zip code)

ValueUS
Median household income:$57,143 / yr.$75,149 / yr.
Mean household income:$79,952 / yr.$105,833 / yr.
Median family income:$96,250 / yr.$92,646 / yr.
Per capita income:$36,250 / yr.$41,261 / yr.

Employment (99128 zip code)

#%US
In labor force:133--63.5%
Employed:12795.5%96.4%
Unemployed:64.5%5.3%
Not in labor force:107----
Class of Worker:------
Private wage and salary:8163.8%79.7%
Government workers:3729.1%14.2%
Self-employed:97.1%5.9%
Unpaid family workers:00.0%0.1%

Race & Ethnicity (99128 zip code)

#%US
Race (one race):------
White:27193.8%61.6%
Black or African American:00.0%12.4%
American Indian/Alaska Native:51.7%1.1%
Asian:72.4%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:20.7%8.4%
Two or more races:41.4%10.2%
Hispanic or Latino (any race):62.1%18.7%
Mexican:175.9%11.2%
Puerto Rican:165.5%1.8%
Cuban:00.0%0.7%
Other Hispanic or Latino:00.0%5.0%
Not Hispanic or Latino:10.3%81.1%

Income Distribution (99128 zip code)

Household IncomeHouseholds%US
Less than $10,000:2116.2%4.9%
$10,000 to $14,999:43.1%3.8%
$15,000 to $24,999:86.2%7.0%
$25,000 to $34,999:118.5%7.4%
$35,000 to $49,999:129.2%10.7%
$50,000 to $74,999:2821.5%16.1%
$75,000 to $99,999:107.7%12.8%
$100,000 to $149,999:1914.6%17.1%
$150,000 to $199,999:32.3%8.8%
$200,000 or more:1410.8%11.4%

Commute to Work (99128 zip code)

Commute MethodWorkers%US
Drove alone:7458.3%67.8%
Carpooled:86.3%8.7%
Public transportation:00.0%4.2%
Walked:64.7%2.5%
Other means:129.4%0.9%
Worked from home:2418.9%13.8%
Mean travel time to work:27.4 min--26.7 min

Industry (99128 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:1814.2%1.6%
Construction:21.6%6.9%
Manufacturing:75.5%10.0%
Wholesale trade:1310.2%2.4%
Retail trade:43.1%11.0%
Transportation, warehousing, utilities:21.6%5.8%
Information:00.0%1.9%
Finance, insurance, real estate:00.0%6.7%
Professional, scientific, management:1713.4%12.1%
Education, health care, social services:4737.0%23.3%
Arts, entertainment, food services:10.8%9.0%
Other services:107.9%4.7%
Public administration:64.7%4.7%

Poverty Status (99128 zip code)

#%US
Poverty Rate:--10.4%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (99128 zip code)

#%US
With health insurance:28799.3%91.3%
Private health insurance:19467.1%67.6%
Public health coverage:12944.6%35.9%
Without health insurance:20.7%8.7%

Benefits & Assistance (99128 zip code)

Households with:#%US
Earnings:8968.5%77.4%
Social Security income:4736.2%31.0%
Retirement income:3325.4%21.8%
Supplemental Security Income (SSI):1511.5%4.5%
Cash public assistance income:43.1%1.8%
SNAP (food stamps) benefits:1410.8%11.4%

Housing Types (99128 zip code)

Structure TypeUnits%US
1-unit, detached:13484.3%61.4%
1-unit, attached:21.3%6.1%
2 units:00.0%3.4%
3 or 4 units:00.0%4.3%
5 to 9 units:00.0%4.6%
10 to 19 units:00.0%4.3%
20 or more units:00.0%9.9%
Mobile home:2314.5%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (99128 zip code)

Year BuiltUnits%US
Built 2020 or later:00.0%0.6%
Built 2010 to 2019:31.9%8.2%
Built 2000 to 2009:1610.1%13.5%
Built 1990 to 1999:42.5%13.2%
Built 1980 to 1989:85.0%13.2%
Built 1970 to 1979:138.2%14.6%
Built 1960 to 1969:31.9%10.2%
Built 1950 to 1959:159.4%9.9%
Built 1940 to 1949:21.3%4.6%
Built 1939 or earlier:9559.7%12.0%

Bedrooms (99128 zip code)

Number of BedroomsUnits%US
No bedroom (studio):00.0%2.4%
1 bedroom:95.7%3.0%
2 bedrooms:4528.3%9.1%
3 bedrooms:7144.7%15.9%
4 bedrooms:3119.5%18.8%
5 or more bedrooms:31.9%17.6%

Heating Fuel (99128 zip code)

Fuel TypeUnits%US
Utility gas:10.8%47.1%
Bottled, tank, or LP gas:32.3%4.9%
Electricity:6348.5%40.2%
Fuel oil, kerosene, etc.:2116.2%4.2%
Coal or coke:00.0%0.1%
Wood:3526.9%1.5%
Solar energy:00.0%0.1%
Other fuel:75.4%0.5%
No fuel used:00.0%0.2%

Vehicles Available (99128 zip code)

VehiclesHouseholds%US
No vehicle available:43.1%8.3%
1 vehicle available:2620.0%32.6%
2 vehicles available:4333.1%37.0%
3 or more vehicles available:5743.8%22.1%

Home Value Distribution (99128 zip code)

Value RangeOwner Units%US
Less than $50,000:119.9%5.7%
$50,000 to $99,999:1311.7%7.8%
$100,000 to $149,999:54.5%9.2%
$150,000 to $199,999:98.1%10.8%
$200,000 to $299,999:3430.6%19.9%
$300,000 to $499,999:2219.8%24.1%
$500,000 to $999,999:1715.3%17.0%
$1,000,000 or more:00.0%5.6%

Housing Costs (99128 zip code)

ValueUS
Median owner costs (with mortgage):$1,181 / mo.$1,828 / mo.
Median owner costs (no mortgage):$525 / mo.$584 / mo.
Median gross rent:$550 / mo.$1,268 / mo.
Average household size (owner-occupied):2.232.53
Average household size (renter-occupied):2.162.38

Households (99128 zip code)

#%US
Total households:130----
Married-couple households:7255.4%47.5%
Cohabiting couple households:2116.2%7.0%
Male householder, no spouse:4232.3%5.4%
Female householder, no spouse:1612.3%12.7%
Householder living alone:2216.9%28.6%
65 years and over living alone:5240.0%11.8%
Average household size:2.22--2.53
Average family size:3.03----

Marital Status (99128 zip code)

Population 15 years and over#%US
Total:135----
Never married:1813.3%37.0%
Now married:8260.7%49.5%
Separated:00.0%1.5%
Widowed:2720.0%2.6%
Divorced:1410.4%9.3%

School Enrollment (99128 zip code)

Population 3 years and over#%US
Enrolled in school:48----
Nursery school, preschool:510.4%5.8%
Kindergarten:24.2%5.0%
Elementary school (grades 1-8):2654.2%40.5%
High school (grades 9-12):1531.3%21.4%
College or graduate school:00.0%27.3%

Veterans & Disability (99128 zip code)

#%US
Civilian population 18 years and over:231----
Veterans:2410.4%6.3%
Civilian noninstitutionalized population:289----
With a disability:5619.4%13.4%
Under 18 with disability:00.0%5.8%
18 to 64 with disability:3053.6%10.4%
65 and over with disability:2646.4%33.4%

Mobility (Residence 1 Year Ago) (99128 zip code)

Population 1 year and over#%US
Same house:28498.3%86.9%
Different house:20.7%13.1%
Same county:00.0%7.0%
Different county:2100.0%3.2%
Different state:150.0%2.5%
Abroad:00.0%0.4%

Place of Birth (99128 zip code)

#%US
Native born:27896.2%86.2%
Foreign born:31.0%13.9%
Naturalized citizen:11366.7%52.7%
Not a citizen:11366.7%47.3%
Foreign-born by region:------
Europe:11366.7%10.5%
Asia:00.0%31.3%
Africa:00.0%5.5%
Oceania:00.0%0.5%
Latin America:00.0%50.0%
Northern America:4133.3%2.2%

Language Spoken at Home (99128 zip code)

Population 5 years and over#%US
Total:278----
English only:26695.7%78.3%
Language other than English:124.3%21.5%
By language:------
Spanish:00.0%13.3%
Other Indo-European languages:31.1%3.5%
Asian/Pacific Island languages:51.8%3.5%
Other languages:41.4%1.0%

Computers & Internet (99128 zip code)

Households%US
Households with a computer:130100.0%93.1%
Households with broadband internet:11084.6%89.4%