Zip code 99128: Farmington, Washington

Q: What city is zip code 99128?

99128 is assigned to Farmington, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 99128 in?

99128 is mostly in Whitman County, but it extends into 1 other county.

Q: What is the population of 99128?

About 259 people live in 99128, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 99128?

The median household income in 99128 is $58,942.

Q: What zip codes are near 99128?

The closest zip codes to 99128 are 99104, 83824, 99158, 99130, 99033.

Residential delivery areaWhitman CountyPacific Time

Population

259

Small sample: rough estimates

Median household income

$59K

U.S. $81K

Median home value

$364K

U.S. $333K

Median rent

$1,089/mo

U.S. $1,413

Median age

57.1

U.S. 38.9

Land area

59 sq mi

4 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 99128

99128 is a rural zip code in Farmington, Washington (Whitman County), covering 59 sq mi of land. About 259 people live here, or 4 per square mile. The median resident is 57.1 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $58,942 a year, 27% below the national median of $80,734. 17.8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $363,500, or 6.2 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 76% of occupied homes are lived in by their owners, and renters pay a median of $1,089 a month.

26% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 20.8 minutes each way, and 23% of workers work from home. The most common jobs among working residents are in management; transportation and moving goods; and education. 29% of them are self-employed (U.S.: 10%).

How 99128 compares

Sorted from highest to lowest national percentile

Only about 259 people live here, so these survey estimates have wide margins of error.

Self-employed workers29%
99th
U.S. 10% · WA 9.6%23rd of 570 in WA
Median age57.1
98th
U.S. 38.9 · WA 38.366th of 571 in WA
Unemployment rate13.1%
98th
WeaknessU.S. 5.2% · WA 5.1%26th of 570 in WA
Income inequality (Gini)0.559
98th
WeaknessU.S. 0.483 · WA 0.46913th of 560 in WA
Residents 65 and older29.7%
96th
U.S. 17.2% · WA 16.6%97th of 571 in WA
Housing vacancy20.9%
94th
U.S. 10.1% · WA 7.3%102nd of 563 in WA
Government workers21.5%
88th
U.S. 14.5% · WA 16%189th of 570 in WA
Work from home23.1%
85th
U.S. 15.1% · WA 19.8%133rd of 570 in WA
Poverty rate17.8%
79th
U.S. 12.5% · WA 9.9%88th of 563 in WA
Median earnings per worker$61,250
78th
U.S. $49,666 · WA $59,959168th of 566 in WA
Tech workers4.3%
72nd
U.S. 3.8% · WA 6.7%163rd of 570 in WA
Homeownership rate76%
69th
U.S. 65.2% · WA 63.8%267th of 563 in WA
Uninsured rate7.7%
57th
U.S. 8.4% · WA 6.3%166th of 567 in WA
Median home value$363,500
56th
U.S. $332,700 · WA $564,600377th of 536 in WA
Per capita income$38,137
44th
U.S. $44,673 · WA $53,744361st of 570 in WA
Bachelor's degree or higher25.5%
35th
U.S. 35.7% · WA 39.6%316th of 571 in WA
Median gross rent$1,089
28th
U.S. $1,413 · WA $1,760334th of 475 in WA
Veterans4.2%
28th
U.S. 6.2% · WA 7.8%487th of 571 in WA
Median household income$58,942
19th
WeaknessU.S. $80,734 · WA $98,141475th of 541 in WA
Residents under 1818.1%
19th
U.S. 22% · WA 21.4%363rd of 571 in WA
Average commute20.8 min
16th
StrengthU.S. 26.4 min · WA 26.6 min434th of 546 in WA
Diversity index20.6
13th
U.S. 61.4 · WA 56.5489th of 571 in WA
Foreign-born residents1.2%
7th
U.S. 14.1% · WA 15.4%502nd of 571 in WA
Healthcare workers5.4%
5th
U.S. 9.7% · WA 9.3%429th of 570 in WA
Population259
1st
U.S. 334,922,499 · WA 7,816,116531st of 571 in WA
Population density4/sq mi
1st
U.S. 95/sq mi · WA 118/sq mi512th of 571 in WA
Broadband access65.6%
1st
WeaknessU.S. 91% · WA 93.6%554th of 563 in WA
Rent-burdened renters15%
1st
StrengthU.S. 51.1% · WA 49.9%489th of 541 in WA

Measure	99128	Whitman	WA	U.S.	National percentile	Rank in WA
Self-employed workers	29%	9.2%	9.6%	10%	99th	23rd of 570
Median age	57.1	26.4	38.3	38.9	98th	66th of 571
Unemployment rateWeakness	13.1%	7%	5.1%	5.2%	98th	26th of 570
Income inequality (Gini)Weakness	0.559	0.520	0.469	0.483	98th	13th of 560
Residents 65 and older	29.7%	11.9%	16.6%	17.2%	96th	97th of 571
Housing vacancy	20.9%	15.3%	7.3%	10.1%	94th	102nd of 563
Government workers	21.5%	32.3%	16%	14.5%	88th	189th of 570
Work from home	23.1%	10.3%	19.8%	15.1%	85th	133rd of 570
Poverty rate	17.8%	22.7%	9.9%	12.5%	79th	88th of 563
Median earnings per worker	$61,250	$35,462	$59,959	$49,666	78th	168th of 566
Tech workers	4.3%	4%	6.7%	3.8%	72nd	163rd of 570
Homeownership rate	76%	46.8%	63.8%	65.2%	69th	267th of 563
Uninsured rate	7.7%	5.5%	6.3%	8.4%	57th	166th of 567
Median home value	$363,500	$359,600	$564,600	$332,700	56th	377th of 536
Per capita income	$38,137	$34,326	$53,744	$44,673	44th	361st of 570
Bachelor's degree or higher	25.5%	49.8%	39.6%	35.7%	35th	316th of 571
Median gross rent	$1,089	$1,049	$1,760	$1,413	28th	334th of 475
Veterans	4.2%	4.2%	7.8%	6.2%	28th	487th of 571
Median household incomeWeakness	$58,942	$55,406	$98,141	$80,734	19th	475th of 541
Residents under 18	18.1%	15.8%	21.4%	22%	19th	363rd of 571
Average commuteStrength	20.8 min	16.5 min	26.6 min	26.4 min	16th	434th of 546
Diversity index	20.6	44	56.5	61.4	13th	489th of 571
Foreign-born residents	1.2%	7.5%	15.4%	14.1%	7th	502nd of 571
Healthcare workers	5.4%	6.9%	9.3%	9.7%	5th	429th of 570
Population	259	47,003	7,816,116	334,922,499	1st	531st of 571
Population density	4/sq mi	22/sq mi	118/sq mi	95/sq mi	1st	512th of 571
Broadband accessWeakness	65.6%	85.4%	93.6%	91%	1st	554th of 563
Rent-burdened rentersStrength	15%	61.8%	49.9%	51.1%	1st	489th of 541

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

14%

5–17

18–24

25–34

12%

35–44

45–54

26%

55–64

15%

65–74

15%

75+

Median age

57.1

Under 18

18.1%

65 and over

29.7%

Race and ethnicity

White89%
Black0%
Hispanic7%
Asian0.8%
Native American2%
Pacific Islander0%
Other0%
Multiracial2%

Diversity index

20.6

U.S. 61.4

Foreign-born

1.2%

U.S. 14.1%

Born in state

54.4%

Language spoken at home (households)

English only

98%

Spanish

Other Indo-European

Asian / Pacific

Other

0.8%

Households

Households: 125
Average household size: 2.1
Family households: 51.2%
Married couples: 50.4%
Living alone: 45.6%
Veterans (of adults): 4.2%
Male / female: 56% / 44%

Income and poverty

Household income distribution

<$25k

36%

$25–50k

$50–75k

19%

$75–100k

$100–150k

20%

$150–200k

$200k+

10%

Median household income

99128

$58,942

Whitman Co.

$55,406

Washington

$98,141

United States

$80,734

Per capita income

$38,137

U.S. $44,673

Poverty rate

17.8%

U.S. 12.5%

Households earning $150K+

9.6%

U.S. 23%

Income inequality (Gini)

0.559

U.S. 0.483

Housing

Median home value

99128

$363,500

Whitman Co.

$359,600

Washington

$564,600

United States

$332,700

Median gross rent

99128

$1,089

Whitman Co.

$1,049

Washington

$1,760

United States

$1,413

Types of housing

Single-family

78%

2–4 units

5–19 units

20+ units

Mobile home

22%

Boat, RV, van

Housing units: 158
Owner-occupied: 76%
Vacant: 20.9%
Median year built: 1939 or earlier
Median rooms: 5.9
Renters paying 30%+ of income: 15%
Renters paying 50%+ of income: 10%
Home value to income: 6.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

53%

Carpooled

15%

Transit

Walked

Bicycle

Worked from home

23%

Other

Commute time (one way)

<10 min

26%

10–19

30%

20–29

30–44

16%

45–59

20%

60+

Average commute

20.8 min

U.S. 26.4 min

Unemployment

13.1%

U.S. 5.2%

In labor force

50%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

24%

Transportation and moving

13%

Education

12%

Sales

11%

Arts, media and sports

Construction and repair

Healthcare

Business and finance

Computer and math

Legal and social services

Engineering and science

Cleaning and personal care

Office and admin

Farming, fishing and forestry

Police and fire

Food service

Production

Industries

Education

24%

Agriculture and mining

16%

Manufacturing

13%

Wholesale

10%

Health care and social assistance

Construction

Retail

Transportation, warehousing and utilities

Public administration

Other services

Restaurants and hotels

Professional and technical services

Finance, insurance and real estate

Admin, support and management

Information

Arts and recreation

Median earnings per worker

$61,250

U.S. $49,666

Self-employed

29%

U.S. 10%

Government workers

21.5%

U.S. 14.5%

Nonprofit workers

2.2%

U.S. 8.8%

Median earnings by type of work

Type of work	99128	U.S.
Management, business, science and arts	$70,694	$74,888
Service	$13,750	$26,804
Sales and office	$85,000	$40,476
Construction and maintenance	$41,250	$49,199
Production and transportation	$30,833	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

42%

Some college

25%

Associate's

Bachelor's

15%

Graduate

11%

High school graduate or higher: 97.6%
Bachelor's degree or higher: 25.5%
Graduate or professional degree: 10.8%
Households with broadband: 65.6%
Cable, fiber or DSL: 35.2%
No internet access: 34.4%
Without health insurance: 7.7%
Limited-English households: 0%

Geography

City (USPS): Farmington
State: Washington
County: Whitman County
Center point: 47.0979° N, 117.0813° W
Land area: 59 sq mi
Water area: under 0.1 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

99128 spans 2 counties

Whitman County93% of land
Latah County8% of land

Zip codes near 99128

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
99104	Belmont, WA · PO box	4.7 mi	—	—	—
83824	Desmet, ID	6.5 mi	452	$53,036	$336,700
99158	Oakesdale, WA	7.8 mi	561	$78,375	$301,800
99130	Garfield, WA	8.4 mi	693	$82,000	$232,100
99033	Tekoa, WA	9.2 mi	832	$58,750	$253,300
83870	Tensed, ID	11 mi	421	$51,250	$486,100
83855	Potlatch, ID	12 mi	2,260	$84,423	$298,300
99161	Palouse, WA	14 mi	1,435	$87,464	$302,600
99018	Latah, WA	14 mi	272	$52,813	$210,700
99174	Steptoe, WA	14 mi	69	$50,179	$254,500
99176	Thornton, WA	16 mi	163	$128,000	$283,300
83851	Plummer, ID	16 mi	2,113	$57,356	$251,200

Questions about 99128

What city is zip code 99128?

99128 is assigned to Farmington, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 99128 in?

99128 is mostly in Whitman County, but it extends into 1 other county.

What is the population of 99128?

About 259 people live in 99128, according to the Census Bureau's American Community Survey.

What time zone is 99128 in?

99128 is in Pacific Time.

What is the median household income in 99128?

The median household income in 99128 is $58,942.

What zip codes are near 99128?

The closest zip codes to 99128 are 99104, 83824, 99158, 99130, 99033.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 99128, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.