Clarkston ZIP Codes — Asotin County, WA

There is one unique ZIP code in Clarkston, Washington and it is 99403. Area code: 509.

ZIP codes

143.49

sq mi land

1.37

sq mi water

509

area code

Clarkston, WA ZIP code map

About Clarkston, WA

Clarkston, Washington, is a charming city located in Asotin County. Nestled along the banks of the Snake River, it serves as a gateway to stunning natural landscapes and outdoor activities. The city embraces its rich history while providing residents and visitors with a vibrant community atmosphere.

Location & geography

Clarkston is strategically situated in the southeastern corner of Washington, surrounded by breathtaking geographical features. Nearby cities include Lewiston, Idaho, which is just across the river, approximately 2 miles away; Pomeroy, about 31 miles northwest; and Dayton, roughly 40 miles west. The city encompasses a land area of 143.49 square miles, with a water area of 1.37 square miles, creating a diverse terrain that includes both urban and natural spaces.

Community & economy

The character of Clarkston is defined by its friendly residents and strong community ties. The local economy thrives on industries such as agriculture, manufacturing, and tourism, offering various employment opportunities. Daily life in Clarkston is enriched by numerous parks, recreational facilities, and cultural events that cater to both families and individuals alike.

Transportation

Clarkston is accessible via major highways, including U.S. Route 12, which connects to other regional destinations. The nearest major airport is Lewiston-Nez Perce County Airport, located just a few miles away in Lewiston, Idaho. Public transit options are available, providing residents with convenient transportation within the city and to neighboring areas.

History

Clarkston was officially founded in the late 19th century, originally serving as a settlement for settlers drawn to the abundant natural resources of the area. Key industries, including agriculture and timber, played a significant role in its development and economic growth. Notable events in Clarkston’s history include its incorporation in 1903 and the establishment of its riverfront areas as popular recreational spots.

Did you know?

One surprising fact about Clarkston is that it is often referred to as the 'Apple Capital of the World' due to its abundant apple orchards and agricultural production. The city also hosts the annual Clarkston Fourth of July celebration, which is a cherished tradition for both locals and visitors.

ZIP codes for Clarkston, WA (1)

ZIP code	City	County	Map
99403	Clarkston	Asotin	View map

Demographics & statistics

20,425

Population

45.1

Median age

$60,657

Median household income

$35,383

Per capita income

$262,400

Median home value

$941

Median monthly rent

70.3%

Home ownership

17.2%

Poverty rate

6.2%

Unemployment

6,545

Housing units

22.1%

Bachelor's or higher

Age distribution

Male Female

562

Under 5

585

451

5–9

469

590

10–14

614

559

15–19

582

602

20–24

628

1,049

25–34

1,093

1,179

35–44

1,228

1,157

45–54

1,206

647

55–59

674

844

60–64

879

1,303

65–74

1,358

781

75–84

813

280

85+

292

← Male

Female →

Age summary

Group	Count	%
Under 18	4,022	19.7%
18 and over	16,403	80.3%
65 and over	4,827	23.6%
Median age	45.1 years

Race & ethnicity

White 87.1%

Two or more races 5.2%

Hispanic or Latino 3.4%

American Indian / Alaska Native 1.3%

Asian 1.2%

Other race 1.1%

Black or African American 0.7%

Group	Count	%
White	18,434	87.1%
Two or more races	1,096	5.2%
Hispanic or Latino	729	3.4%
American Indian / Alaska Native	271	1.3%
Asian	252	1.2%
Other race	223	1.1%
Black or African American	149	0.7%

Household income

Under $10k 6.7%

$10k–$15k 3.9%

$15k–$25k 8.1%

$25k–$35k 8.1%

$35k–$50k 15.1%

$50k–$75k 18.9%

$75k–$100k 12.7%

$100k–$150k 14.6%

$150k–$200k 4.7%

$200k+ 7.2%

Range	% of households
Under $10k	6.7%
$10k–$15k	3.9%
$15k–$25k	8.1%
$25k–$35k	8.1%
$35k–$50k	15.1%
$50k–$75k	18.9%
$75k–$100k	12.7%
$100k–$150k	14.6%
$150k–$200k	4.7%
$200k+	7.2%
Median income	$60,657

Housing

Home values

Under $50k 5.1%

$50k–$100k 3.5%

$100k–$150k 8.9%

$150k–$200k 11.6%

$200k–$300k 32.6%

$300k–$500k 28.7%

$500k–$1M 8.5%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$262,400
Median rent / month	$941
Owner occupied	70.3%
Renter occupied	29.7%
Vacant	5.2%
Single-family detached	72.5%
Large apartment buildings	2.7%
Mobile homes	9.0%
Median rooms	5.7
Avg household size (owned)	2.29

Year built

Era	%
2020 or later	0.2%
2010–2019	5.9%
2000–2009	9.0%
1990–1999	16.3%
1980–1989	10.9%
1970–1979	18.0%
1960–1969	9.6%
1950–1959	9.9%
1940–1949	7.9%
1939 or earlier	12.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.3%
1 bedroom	7.5%
2 bedrooms	31.2%
3 bedrooms	34.0%
4 bedrooms	20.9%
5+ bedrooms	4.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.0%
1 vehicle	31.2%
2 vehicles	33.6%
3 or more	32.1%

Heating fuel

Fuel type	%
Utility gas	54.1%
Electricity	38.6%
Propane / LP gas	1.8%
Fuel oil	1.4%
Wood	3.3%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	3,824	44.3%
Cohabiting couple	814	9.4%
Male householder, no spouse	1,495	17.3%
Female householder, no spouse	2,499	29.0%
Households with children under 18	2,047	23.7%
Households with seniors (65+)	3,607	41.8%
Average household size	2.34

Marital status

Status	Male	Female
Never married	29.9%	24.1%
Married	47.1%	44.4%
Separated	2.3%	1.3%
Widowed	4.3%	10.5%
Divorced	16.5%	19.7%

Education

Less than 9th grade 1.6%

Some HS, no diploma 5.2%

HS graduate 31.9%

Some college, no degree 25.8%

Associate's degree 13.3%

Bachelor's degree 13.7%

Graduate / professional 8.4%

Metric	%
HS diploma or higher	93.2%
Bachelor's or higher	22.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	348	9.2%
Kindergarten	222	5.9%
Elementary school	1,682	44.6%
High school	932	24.7%
College / grad school	587	15.6%

Employment

Industry of employment

Education & healthcare 26.1%

Retail trade 11.6%

Manufacturing 11.4%

Arts, food & hospitality 10.4%

Professional & management 8.5%

Construction 7.6%

Finance & real estate 6.4%

Other services 4.8%

Public administration 4.3%

Transportation & utilities 3.5%

Wholesale trade 3.3%

Agriculture & mining 1.9%

Information 0.2%

Occupation

Category	%
Management, business & arts	32.2%
Service	22.6%
Sales & office	21.0%
Natural resources & construction	9.7%
Production & transportation	14.5%

Employment type

Type	%
Private sector	76.3%
Government	16.1%
Self-employed	7.4%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	79.3%
Carpool	7.5%
Public transit	0.1%
Walk	2.5%
Other means	0.6%
Avg commute (minutes)	14.6

Poverty

All people 17.2%

Under 18 years 24.9%

18 and over 15.3%

Married-couple families 5.5%

Female-led households 22.4%

Income support

Source	% of households
Social Security	44.3%
Retirement income	35.0%
Supplemental Security	7.2%
Cash public assistance	2.9%
Food stamps / SNAP	19.2%

Health indicators

Condition	%
High blood pressure	34.6%
High cholesterol	34.9%
Heart disease	7.6%
Stroke	3.7%
Asthma	11.7%
Arthritis	30.0%
Kidney disease	3.5%
Pulmonary disease	8.4%
Cancer	7.9%

Behavior / access	%
Binge drinking	17.0%
No physical activity	22.5%
Less than 7 hrs sleep	29.5%
Fair or poor health	16.2%
Poor mental health	16.0%
Poor physical health	12.7%
No health insurance	11.0%
Visited doctor (checkup)	70.3%
Visited dentist	64.2%
Cholesterol screening	88.0%
Teeth loss	14.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,709	10.4%

Disability	%
Any disability	18.9%
Under 18	6.2%
18–64 years	16.2%
65 and over	36.2%

Health insurance coverage

Type	%
Private insurance	61.5%
Public insurance	51.9%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,278	94.4%
Spanish	271	1.4%
Other Indo-European	151	0.8%
Asian & Pacific Islander	25	0.1%
Other languages	88	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,774	96.8%
Born in same state	19,678	96.3%
Born in different state	4,806	23.5%
Foreign born	96	0.5%
Naturalized citizen	651	3.2%
Not a US citizen	192	29.5%

Ancestry

Ancestry	Count	%
French	2,766	13.5%
Italian	2,484	12.2%
Arab	1,252	6.1%
Polish	691	3.4%

Ancestry	Count	%
English	275	1.3%
German	173	0.8%
Dutch	153	0.7%
Irish	48	0.2%

Technology access

Metric	% of households
Computer access	42.3%
Internet access	94.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Clarkston, WA have?

Clarkston, WA has one ZIP code: 99403. Each ZIP code serves a distinct delivery area within the city and surrounding region.