Rosalia ZIP Codes — Whitman County, WA

There is one unique ZIP code in Rosalia, Washington and it is 99170. Area code: 509.

ZIP codes

173.10

sq mi land

0.32

sq mi water

509

area code

Rosalia, WA ZIP code map

About Rosalia, WA

Rosalia, Washington, is a small yet charming community located in the northeastern part of Whitman County. This quaint city, known for its scenic views and small-town charm, offers a peaceful environment for residents and visitors alike. Established in the early 20th century, Rosalia has maintained its rural character while providing essential services to the surrounding agricultural areas.

Location & geography

Rosalia is situated approximately 27 miles south of Spokane and around 48 miles north of Pullman, making it a convenient spot for those seeking a quieter lifestyle while still being close to larger urban centers. The area is characterized by rolling hills and expansive farmland, with a total land area of 173.10 square miles, complemented by a small water area of 0.32 square miles. The geography provides a beautiful backdrop for various outdoor activities and community events.

Community & economy

The character of Rosalia is defined by its friendly residents and strong community bonds, making it an inviting place for newcomers. The local economy is primarily driven by agriculture, with many residents involved in farming and related industries. Daily life in Rosalia centers around local events, schools, and the natural beauty of the surrounding landscape, fostering a sense of togetherness among its population.

Transportation

Rosalia is accessible via State Route 195, which connects the city to larger highways and nearby towns. The nearest major airport is Spokane International Airport, located about 30 miles to the north. Public transportation options are limited, making personal vehicles the primary mode of travel for residents.

History

Founded in the early 1900s, Rosalia began as a railroad town, which played a crucial role in its development and economic growth. Key industries during its early years included agriculture and timber, which continue to influence the local economy today. Notable events in Rosalia's history include the establishment of annual community festivals that celebrate its agricultural heritage.

Did you know?

A little-known fact about Rosalia is that it is home to the annual Milk Days festival, which celebrates the region's dairy farming history. Additionally, the city boasts a strong commitment to preserving its local heritage through various historical sites and community programs.

ZIP codes for Rosalia, WA (1)

ZIP code	City	County	Map
99170	Rosalia	Whitman	View map

Demographics & statistics

955

Population

45.8

Median age

$61,250

Median household income

$33,548

Per capita income

$179,300

Median home value

$906

Median monthly rent

80.8%

Home ownership

11.9%

Poverty rate

6.0%

Unemployment

392

Housing units

23.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	242	25.3%
18 and over	713	74.7%
65 and over	199	20.8%
Median age	45.8 years

Race & ethnicity

White 84.9%

Two or more races 10%

Hispanic or Latino 2.5%

Other race 1.4%

Asian 0.6%

American Indian / Alaska Native 0.3%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	831	84.9%
Two or more races	98	10%
Hispanic or Latino	24	2.5%
Other race	14	1.4%
Asian	6	0.6%
American Indian / Alaska Native	3	0.3%
Native Hawaiian / Pacific Islander	3	0.3%

Household income

Under $10k 4.7%

$10k–$15k 3.2%

$15k–$25k 15.5%

$25k–$35k 7.6%

$35k–$50k 8.9%

$50k–$75k 16.1%

$75k–$100k 8.9%

$100k–$150k 21.1%

$150k–$200k 7.1%

$200k+ 6.8%

Range	% of households
Under $10k	4.7%
$10k–$15k	3.2%
$15k–$25k	15.5%
$25k–$35k	7.6%
$35k–$50k	8.9%
$50k–$75k	16.1%
$75k–$100k	8.9%
$100k–$150k	21.1%
$150k–$200k	7.1%
$200k+	6.8%
Median income	$61,250

Housing

Home values

Under $50k 2.6%

$50k–$100k 18.2%

$100k–$150k 18.2%

$150k–$200k 21.2%

$200k–$300k 16.6%

$300k–$500k 22.1%

$500k–$1M 1.0%

Housing overview

Metric	Value
Median home value	$179,300
Median rent / month	$906
Owner occupied	80.8%
Renter occupied	19.2%
Vacant	18.3%
Single-family detached	87.1%
Large apartment buildings	0.0%
Mobile homes	8.6%
Median rooms	6.7
Avg household size (owned)	2.56

Year built

Era	%
2020 or later	0.0%
2010–2019	0.4%
2000–2009	2.8%
1990–1999	5.2%
1980–1989	7.1%
1970–1979	9.5%
1960–1969	3.9%
1950–1959	12.0%
1940–1949	8.4%
1939 or earlier	50.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.0%
2 bedrooms	27.1%
3 bedrooms	43.9%
4 bedrooms	19.6%
5+ bedrooms	6.5%

Vehicles per household

Vehicles	% of households
No vehicle	5.3%
1 vehicle	12.9%
2 vehicles	41.1%
3 or more	40.8%

Heating fuel

Fuel type	%
Utility gas	38.9%
Electricity	38.2%
Propane / LP gas	3.9%
Fuel oil	6.6%
Wood	8.4%

Households & families

Household type	Count	%
Married-couple family	217	57.1%
Cohabiting couple	31	8.2%
Male householder, no spouse	62	16.3%
Female householder, no spouse	70	18.4%
Households with children under 18	92	24.2%
Households with seniors (65+)	127	33.4%
Average household size	2.51

Marital status

Status	Male	Female
Never married	26.2%	19.0%
Married	61.4%	60.3%
Separated	3.6%	0.5%
Widowed	0.8%	9.5%
Divorced	8.0%	10.6%

Education

Less than 9th grade 1.7%

Some HS, no diploma 2.0%

HS graduate 33.4%

Some college, no degree 23.9%

Associate's degree 15.7%

Bachelor's degree 14.3%

Graduate / professional 9.0%

Metric	%
HS diploma or higher	96.3%
Bachelor's or higher	23.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	24	11.2%
Kindergarten	6	2.8%
Elementary school	95	44.2%
High school	57	26.5%
College / grad school	33	15.3%

Employment

Industry of employment

Education & healthcare 29.2%

Agriculture & mining 15.3%

Retail trade 10.5%

Manufacturing 10.0%

Transportation & utilities 5.5%

Public administration 5.5%

Wholesale trade 4.3%

Other services 4.3%

Construction 3.9%

Finance & real estate 3.4%

Professional & management 3.2%

Information 2.5%

Arts, food & hospitality 2.5%

Occupation

Category	%
Management, business & arts	42.4%
Service	15.9%
Sales & office	20.3%
Natural resources & construction	10.3%
Production & transportation	11.2%

Employment type

Type	%
Private sector	64.2%
Government	19.4%
Self-employed	16.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.0%
Carpool	2.8%
Public transit	0.0%
Walk	6.8%
Other means	1.4%
Avg commute (minutes)	34.0

Poverty

All people 11.9%

Under 18 years 6.6%

18 and over 13.7%

Married-couple families 16.6%

Female-led households 37.5%

Income support

Source	% of households
Social Security	31.8%
Retirement income	20.3%
Supplemental Security	2.9%
Cash public assistance	3.2%
Food stamps / SNAP	12.6%

Health indicators

Condition	%
High blood pressure	34.8%
High cholesterol	35.3%
Heart disease	7.7%
Stroke	3.6%
Asthma	11.2%
Arthritis	29.3%
Kidney disease	3.4%
Pulmonary disease	8.1%
Cancer	7.9%

Behavior / access	%
Binge drinking	16.1%
No physical activity	20.5%
Less than 7 hrs sleep	29.2%
Fair or poor health	15.6%
Poor mental health	15.2%
Poor physical health	12.3%
No health insurance	9.9%
Visited doctor (checkup)	71.5%
Visited dentist	67.4%
Cholesterol screening	89.4%
Teeth loss	12.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	61	8.6%

Disability	%
Any disability	14.3%
Under 18	5.4%
18–64 years	12.8%
65 and over	29.1%

Health insurance coverage

Type	%
Private insurance	57.7%
Public insurance	44.4%
Uninsured under 19	5.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	874	91.5%
Spanish	1	0.1%
Other Indo-European	1	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	938	98.2%
Born in same state	933	97.7%
Born in different state	641	67.1%
Foreign born	5	0.5%
Naturalized citizen	17	1.8%
Not a US citizen	17	100.0%

Ancestry

Ancestry	Count	%
Italian	236	24.7%
French	146	15.3%
Polish	40	4.2%

Ancestry	Count	%
Arab	21	2.2%
English	1	0.1%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	93.4%

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

Frequently asked questions

What ZIP codes does Rosalia, WA have?

Rosalia, WA has one ZIP code: 99170. Each ZIP code serves a distinct delivery area within the city and surrounding region.