99363 ZIP Code — Wallula, WA

Walla Walla County, Washington

ZIP code 99363 is located in Wallula, Washington, within Walla Walla County. It covers approximately 30.87 square miles and serves a population of 96 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.

population

30.87

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

99363 ZIP code map

Cities in ZIP code 99363

Below are the cities the US Postal Service accepts for ZIP code 99363. Using any city not on this list may result in mail delivery delays.

City	Status
Wallula	Acceptable

Demographics updated 05/2026

Population
Total population	96
Population density	3 / sq mi
State FIPS	53
County FIPS	071

Geography
Land area	30.87 sq mi
Water area	10.61 sq mi
Latitude	46.0694
Longitude	-118.9060
Timezone	Pacific (PT)
Area code	509

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	78.3%	42.4%	31.7%
$50k – $100k	21.7%	31.2%	30.6%
$100k – $200k	0.0%	21.8%	27.1%
Over $200k	0.0%	4.6%	10.6%

Demographics & statistics

Population

People per sq mi

29.6

Median age

$60,278

Median household income

$23,433

Per capita income

$227,800

Median home value

Median monthly rent

81.0%

Home ownership

50.0%

Poverty rate

0.0%

Unemployment

Housing units

13.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

25–34

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	35	36.5%
18 and over	61	63.5%
65 and over	30	31.3%
Median age	29.6 years

Race & ethnicity

Hispanic or Latino 37.7%

Other race 37.7%

White 24.7%

Group	Count	%
Hispanic or Latino	58	37.7%
Other race	58	37.7%
White	38	24.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	78.3%	42.4%	31.7%
$50k – $100k	21.7%	31.2%	30.6%
$100k – $200k	0.0%	21.8%	27.1%
Over $200k	0.0%	4.6%	10.6%

$25k–$35k 19.0%

$35k–$50k 19.0%

$50k–$75k 31.0%

$75k–$100k 31.0%

Range	% of households
$25k–$35k	19.0%
$35k–$50k	19.0%
$50k–$75k	31.0%
$75k–$100k	31.0%
Median income	$60,278

Housing

Home values

$100k–$150k 35.3%

$200k–$300k 64.7%

Housing overview

Metric	Value
Median home value	$227,800
Median rent / month	$0
Owner occupied	81.0%
Renter occupied	19.0%
Vacant	38.2%
Single-family detached	30.9%
Large apartment buildings	11.8%
Mobile homes	19.1%
Median rooms	4.1
Avg household size (owned)	2.59

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	57.4%
1990–1999	11.8%
1980–1989	0.0%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	17.6%
1940–1949	0.0%
1939 or earlier	13.2%

Bedrooms

Size	% of units
No bedroom (studio)	11.8%
1 bedroom	0.0%
2 bedrooms	69.1%
3 bedrooms	19.1%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	19.0%
2 vehicles	28.6%
3 or more	52.4%

Heating fuel

Fuel type	%
Electricity	100.0%

Households & families

Household type	Count	%
Married-couple family	8	19.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	9	21.4%
Female householder, no spouse	25	59.5%
Households with children under 18	13	31.0%
Households with seniors (65+)	21	50.0%
Average household size	2.29

Marital status

Status	Male	Female
Never married	37.0%	61.8%
Married	29.6%	26.5%
Separated	0.0%	0.0%
Widowed	0.0%	11.8%
Divorced	33.3%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 27.9%

Some college, no degree 59.0%

Associate's degree 0.0%

Bachelor's degree 13.1%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	13.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	15	100.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Manufacturing 58.1%

Education & healthcare 41.9%

Occupation

Category	%
Management, business & arts	0.0%
Service	0.0%
Sales & office	41.9%
Natural resources & construction	32.3%
Production & transportation	25.8%

Employment type

Type	%
Private sector	25.8%
Government	0.0%
Self-employed	74.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	32.3%
Carpool	41.9%
Public transit	0.0%
Walk	0.0%
Work from home	25.8%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 50.0%

Under 18 years 100.0%

18 and over 21.3%

Married-couple families 0.0%

Female-led households 100.0%

Income support

Source	% of households
Social Security	50.0%
Retirement income	28.6%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	30.0%
High blood pressure	33.3%
High cholesterol	32.4%
Diabetes	10.8%
Heart disease	8.1%
Stroke	3.7%
Asthma	10.8%
Arthritis	27.1%
Kidney disease	3.5%
Pulmonary disease	8.0%
Cancer	7.0%

Behavior / access	%
Smoking	18.4%
Binge drinking	15.7%
No physical activity	23.3%
Less than 7 hrs sleep	28.0%
Depression	26.4%
Fair or poor health	17.5%
Poor mental health	15.9%
Poor physical health	12.6%
No health insurance	16.8%
Visited doctor (checkup)	68.9%
Visited dentist	60.3%
Cholesterol screening	86.0%
Teeth loss	18.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	17	27.9%

Disability	%
Any disability	8.3%
Under 18	0.0%
18–64 years	0.0%
65 and over	26.7%

Health insurance coverage

Type	%
Private insurance	26.0%
Public insurance	67.7%
No insurance	24.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	76	79.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	96	100.0%
Born in same state	88	91.7%
Born in different state	70	72.9%
Foreign born	8	8.3%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	9	9.4%
French	9	9.4%

Ancestry	Count	%
Polish	8	8.3%

Technology access

Metric	% of households
Computer access	43.8%
Internet access	100.0%

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

Frequently asked questions about ZIP code 99363

What city is ZIP code 99363 in?

ZIP code 99363 is primarily assigned to Wallula, Washington.

What county is ZIP code 99363 in?

ZIP code 99363 falls within Walla Walla County, Washington.

What is the poverty rate in ZIP code 99363?

50% of residents in ZIP code 99363 live below the poverty line, above the national average.

Does ZIP code 99363 have an older population?

31% of residents in ZIP code 99363 are 65 or older, above the national average of ~17%.

Does ZIP code 99363 have a large veteran population?

28% of civilians in ZIP code 99363 are veterans, above the national average of ~7%.

Does ZIP code 99363 have a large retiree population?

50% of households in ZIP code 99363 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 99363 in?

ZIP code 99363 observes the PST timezone.