Zip code 99403: Clarkston, Washington

Q: What city is zip code 99403?

99403 is assigned to Clarkston, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 99403 in?

99403 is mostly in Asotin County, but it extends into 1 other county.

Q: What is the population of 99403?

About 20,760 people live in 99403, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 99403?

The median household income in 99403 is $71,482.

Q: What zip codes are near 99403?

The closest zip codes to 99403 are 99402, 99179, 99347, 99113, 83501.

Residential delivery areaAsotin CountyPacific Time

Population

20,760

Median household income

$71K

U.S. $81K

Median home value

$325K

U.S. $333K

Median rent

$1,036/mo

U.S. $1,413

Median age

45.7

U.S. 38.9

Land area

143 sq mi

145 people/sq mi

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

About 99403

99403 is a small-town zip code in Clarkston, Washington (Asotin County), covering 143 sq mi of land. About 20,760 people live here, or 145 per square mile. The median resident is 45.7 years old, compared with 38.9 nationally.

The median household earns $71,482 a year, close to the national median of $80,734. 14.8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $325,300, or 4.6 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 72% of occupied homes are lived in by their owners, and renters pay a median of $1,036 a month.

25% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 15 minutes each way, and 11% of workers work from home. The most common jobs among working residents are in healthcare; office and administrative support; and management.

How 99403 compares

Sorted from highest to lowest national percentile

Veterans10.6%
91st
U.S. 6.2% · WA 7.8%170th of 571 in WA
Residents 65 and older24.7%
91st
U.S. 17.2% · WA 16.6%161st of 571 in WA
Healthcare workers13.5%
90th
U.S. 9.7% · WA 9.3%64th of 570 in WA
Median age45.7
88th
U.S. 38.9 · WA 38.3185th of 571 in WA
Government workers18.6%
79th
U.S. 14.5% · WA 16%240th of 570 in WA
Poverty rate14.8%
69th
U.S. 12.5% · WA 9.9%134th of 563 in WA
Income inequality (Gini)0.452
64th
U.S. 0.483 · WA 0.469159th of 560 in WA
Homeownership rate72.2%
59th
U.S. 65.2% · WA 63.8%318th of 563 in WA
Unemployment rate5.2%
56th
U.S. 5.2% · WA 5.1%224th of 570 in WA
Per capita income$39,953
49th
U.S. $44,673 · WA $53,744324th of 570 in WA
Median home value$325,300
48th
U.S. $332,700 · WA $564,600409th of 536 in WA
Tech workers2.8%
48th
U.S. 3.8% · WA 6.7%267th of 570 in WA
Uninsured rate6%
43rd
U.S. 8.4% · WA 6.3%258th of 567 in WA
Housing vacancy5.8%
42nd
U.S. 10.1% · WA 7.3%341st of 563 in WA
Self-employed workers8.6%
40th
U.S. 10% · WA 9.6%353rd of 570 in WA
Work from home10.7%
39th
U.S. 15.1% · WA 19.8%376th of 570 in WA
Median household income$71,482
38th
U.S. $80,734 · WA $98,141377th of 541 in WA
Median earnings per worker$43,588
35th
U.S. $49,666 · WA $59,959422nd of 566 in WA
Bachelor's degree or higher25%
34th
U.S. 35.7% · WA 39.6%324th of 571 in WA
Population20,760
32nd
U.S. 334,922,499 · WA 7,816,116175th of 571 in WA
Rent-burdened renters44.6%
28th
U.S. 51.1% · WA 49.9%308th of 541 in WA
Residents under 1819.4%
27th
U.S. 22% · WA 21.4%328th of 571 in WA
Median gross rent$1,036
24th
U.S. $1,413 · WA $1,760353rd of 475 in WA
Broadband access87.1%
19th
WeaknessU.S. 91% · WA 93.6%442nd of 563 in WA
Population density145/sq mi
17th
U.S. 95/sq mi · WA 118/sq mi295th of 571 in WA
Diversity index24.1
17th
U.S. 61.4 · WA 56.5459th of 571 in WA
Foreign-born residents2.8%
17th
U.S. 14.1% · WA 15.4%437th of 571 in WA
Average commute15 min
1st
StrengthU.S. 26.4 min · WA 26.6 min521st of 546 in WA

Measure	99403	Asotin	WA	U.S.	National percentile	Rank in WA
Veterans	10.6%	10.5%	7.8%	6.2%	91st	170th of 571
Residents 65 and older	24.7%	25.2%	16.6%	17.2%	91st	161st of 571
Healthcare workers	13.5%	13%	9.3%	9.7%	90th	64th of 570
Median age	45.7	46.2	38.3	38.9	88th	185th of 571
Government workers	18.6%	17.7%	16%	14.5%	79th	240th of 570
Poverty rate	14.8%	14.2%	9.9%	12.5%	69th	134th of 563
Income inequality (Gini)	0.452	0.456	0.469	0.483	64th	159th of 560
Homeownership rate	72.2%	73.2%	63.8%	65.2%	59th	318th of 563
Unemployment rate	5.2%	5%	5.1%	5.2%	56th	224th of 570
Per capita income	$39,953	$40,742	$53,744	$44,673	49th	324th of 570
Median home value	$325,300	$325,600	$564,600	$332,700	48th	409th of 536
Tech workers	2.8%	2.6%	6.7%	3.8%	48th	267th of 570
Uninsured rate	6%	6%	6.3%	8.4%	43rd	258th of 567
Housing vacancy	5.8%	6.8%	7.3%	10.1%	42nd	341st of 563
Self-employed workers	8.6%	8.6%	9.6%	10%	40th	353rd of 570
Work from home	10.7%	10.9%	19.8%	15.1%	39th	376th of 570
Median household income	$71,482	$72,283	$98,141	$80,734	38th	377th of 541
Median earnings per worker	$43,588	$44,821	$59,959	$49,666	35th	422nd of 566
Bachelor's degree or higher	25%	24.7%	39.6%	35.7%	34th	324th of 571
Population	20,760	22,467	7,816,116	334,922,499	32nd	175th of 571
Rent-burdened renters	44.6%	43.8%	49.9%	51.1%	28th	308th of 541
Residents under 18	19.4%	19.6%	21.4%	22%	27th	328th of 571
Median gross rent	$1,036	$1,043	$1,760	$1,413	24th	353rd of 475
Broadband accessWeakness	87.1%	87.5%	93.6%	91%	19th	442nd of 563
Population density	145/sq mi	35/sq mi	118/sq mi	95/sq mi	17th	295th of 571
Diversity index	24.1	23.7	56.5	61.4	17th	459th of 571
Foreign-born residents	2.8%	2.7%	15.4%	14.1%	17th	437th of 571
Average commuteStrength	15 min	15.3 min	26.6 min	26.4 min	1st	521st of 546

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

11%

25–34

11%

35–44

12%

45–54

14%

55–64

14%

65–74

11%

75+

Median age

45.7

Under 18

19.4%

65 and over

24.7%

Race and ethnicity

White87%
Black0.9%
Hispanic5%
Asian1%
Native American1%
Pacific Islander0%
Other0.7%
Multiracial5%

Diversity index

24.1

U.S. 61.4

Foreign-born

2.8%

U.S. 14.1%

Born in state

23.5%

Language spoken at home (households)

English only

94%

Spanish

Other Indo-European

Asian / Pacific

Other

0.6%

Households

Households: 8,743
Average household size: 2.4
Family households: 59.5%
Married couples: 44.7%
Living alone: 32.2%
Veterans (of adults): 10.6%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

16%

$25–50k

21%

$50–75k

15%

$75–100k

14%

$100–150k

19%

$150–200k

$200k+

10%

Median household income

99403

$71,482

Asotin Co.

$72,283

Washington

$98,141

United States

$80,734

Per capita income

$39,953

U.S. $44,673

Poverty rate

14.8%

U.S. 12.5%

Households earning $150K+

15.7%

U.S. 23%

Income inequality (Gini)

0.452

U.S. 0.483

Housing

Median home value

99403

$325,300

Asotin Co.

$325,600

Washington

$564,600

United States

$332,700

Median gross rent

99403

$1,036

Asotin Co.

$1,043

Washington

$1,760

United States

$1,413

Types of housing

Single-family

76%

2–4 units

5–19 units

20+ units

Mobile home

11%

Boat, RV, van

0.4%

Housing units: 9,281
Owner-occupied: 72.2%
Vacant: 5.8%
Median year built: 1975
Median rooms: 5.8
Renters paying 30%+ of income: 44.6%
Renters paying 50%+ of income: 24.2%
Home value to income: 4.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

80%

Carpooled

Transit

0.6%

Walked

Bicycle

0.3%

Worked from home

11%

Other

0.4%

Commute time (one way)

<10 min

31%

10–19

50%

20–29

30–44

45–59

60+

Average commute

15 min

U.S. 26.4 min

Unemployment

5.2%

U.S. 5.2%

In labor force

55.7%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Healthcare

13%

Office and admin

10%

Management

Construction and repair

Sales

Production

Food service

Transportation and moving

Education

Cleaning and personal care

Engineering and science

Business and finance

Computer and math

Police and fire

Legal and social services

Arts, media and sports

0.8%

Farming, fishing and forestry

0.0%

Industries

Health care and social assistance

18%

Retail

11%

Education

10%

Manufacturing

10%

Restaurants and hotels

Other services

Finance, insurance and real estate

Construction

Admin, support and management

Public administration

Professional and technical services

Transportation, warehousing and utilities

Agriculture and mining

Wholesale

Arts and recreation

Information

0.3%

Median earnings per worker

$43,588

U.S. $49,666

Self-employed

8.6%

U.S. 10%

Government workers

18.6%

U.S. 14.5%

Nonprofit workers

7.2%

U.S. 8.8%

Median earnings by type of work

Type of work	99403	U.S.
Management, business, science and arts	$74,149	$74,888
Service	$30,874	$26,804
Sales and office	$36,485	$40,476
Construction and maintenance	$67,083	$49,199
Production and transportation	$42,261	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

33%

Some college

23%

Associate's

12%

Bachelor's

16%

Graduate

High school graduate or higher: 92.8%
Bachelor's degree or higher: 25%
Graduate or professional degree: 9.4%
Households with broadband: 87.1%
Cable, fiber or DSL: 66.8%
No internet access: 6.8%
Without health insurance: 6%
Limited-English households: 0.4%

Geography

City (USPS): Clarkston
State: Washington
County: Asotin County
Center point: 46.3755° N, 117.2903° W
Land area: 143 sq mi
Water area: 1.4 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

99403 spans 2 counties

Asotin County80% of land
Garfield County20% of land

Cities and towns within this zip

Clarkston Heights-Vineland (unincorporated)8% of zip
West Clarkston-Highland (unincorporated)2% of zip
Clarkston1% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 99403

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
99402	Asotin, WA	11 mi	1,557	$78,906	$339,800
99179	Uniontown, WA	11 mi	645	$79,063	$397,700
99347	Pomeroy, WA	14 mi	2,512	$64,699	$243,400
99113	Colton, WA	15 mi	560	$104,643	$398,000
83501	Lewiston, ID	19 mi	37,520	$73,629	$340,600
99401	Anatone, WA	20 mi	163	$41,438	$322,500
83832	Genesee, ID	22 mi	1,961	$91,250	$352,800
83540	Lapwai, ID	24 mi	2,096	$62,963	$205,100
99163	Pullman, WA	25 mi	34,022	$48,231	$435,900
99164	Pullman, WA · PO box	25 mi	—	—	—
83844	Moscow, ID	28 mi	2,971	—	—
99328	Dayton, WA	29 mi	3,646	$72,756	$272,100

Zip codes like 99403 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 99403

What city is zip code 99403?

99403 is assigned to Clarkston, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 99403 in?

99403 is mostly in Asotin County, but it extends into 1 other county.

What is the population of 99403?

About 20,760 people live in 99403, according to the Census Bureau's American Community Survey.

What time zone is 99403 in?

99403 is in Pacific Time.

What is the median household income in 99403?

The median household income in 99403 is $71,482.

What zip codes are near 99403?

The closest zip codes to 99403 are 99402, 99179, 99347, 99113, 83501.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 99403, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.