Zip code 99170: Rosalia, Washington

Q: What city is zip code 99170?

99170 is assigned to Rosalia, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 99170 in?

99170 is mostly in Whitman County, but it extends into 1 other county.

Q: What is the population of 99170?

About 926 people live in 99170, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 99170?

The median household income in 99170 is $58,750.

Q: What zip codes are near 99170?

The closest zip codes to 99170 are 99149, 99039, 99158, 99176, 99031.

Residential delivery areaWhitman CountyPacific Time

Population

926

Median household income

$59K

U.S. $81K

Median home value

$238K

U.S. $333K

Median rent

$825/mo

U.S. $1,413

Median age

50.5

U.S. 38.9

Land area

173 sq mi

5 people/sq mi

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

About 99170

99170 is a rural zip code in Rosalia, Washington (Whitman County), covering 173 sq mi of land. About 926 people live here, or 5 per square mile. The median resident is 50.5 years old, compared with 38.9 nationally.

The median household earns $58,750 a year, 27% below the national median of $80,734. 12.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $238,300, or 4.1 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 84% of occupied homes are lived in by their owners, and renters pay a median of $825 a month.

18% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 30.9 minutes each way, and 11% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and construction and repair. 23% of them are self-employed (U.S.: 10%).

How 99170 compares

Sorted from highest to lowest national percentile

Self-employed workers23.2%
99th
U.S. 10% · WA 9.6%49th of 570 in WA
Government workers27.7%
97th
U.S. 14.5% · WA 16%109th of 570 in WA
Median age50.5
95th
U.S. 38.9 · WA 38.3128th of 571 in WA
Homeownership rate83.9%
87th
StrengthU.S. 65.2% · WA 63.8%154th of 563 in WA
Residents 65 and older22.4%
85th
U.S. 17.2% · WA 16.6%200th of 571 in WA
Housing vacancy13.1%
82nd
U.S. 10.1% · WA 7.3%166th of 563 in WA
Veterans8.4%
81st
U.S. 6.2% · WA 7.8%278th of 571 in WA
Average commute30.9 min
78th
U.S. 26.4 min · WA 26.6 min153rd of 546 in WA
Income inequality (Gini)0.471
77th
U.S. 0.483 · WA 0.46998th of 560 in WA
Unemployment rate6.1%
70th
U.S. 5.2% · WA 5.1%176th of 570 in WA
Residents under 1824.2%
68th
U.S. 22% · WA 21.4%155th of 571 in WA
Poverty rate12.3%
57th
U.S. 12.5% · WA 9.9%187th of 563 in WA
Median earnings per worker$48,173
50th
U.S. $49,666 · WA $59,959352nd of 566 in WA
Work from home11.3%
42nd
U.S. 15.1% · WA 19.8%354th of 570 in WA
Uninsured rate5.5%
38th
U.S. 8.4% · WA 6.3%302nd of 567 in WA
Per capita income$35,231
35th
U.S. $44,673 · WA $53,744424th of 570 in WA
Median home value$238,300
30th
U.S. $332,700 · WA $564,600488th of 536 in WA
Diversity index27.5
21st
U.S. 61.4 · WA 56.5420th of 571 in WA
Median household income$58,750
19th
WeaknessU.S. $80,734 · WA $98,141477th of 541 in WA
Bachelor's degree or higher17.8%
15th
WeaknessU.S. 35.7% · WA 39.6%454th of 571 in WA
Median gross rent$825
8th
U.S. $1,413 · WA $1,760430th of 475 in WA
Foreign-born residents1.2%
7th
U.S. 14.1% · WA 15.4%503rd of 571 in WA
Tech workers0.5%
6th
U.S. 3.8% · WA 6.7%418th of 570 in WA
Rent-burdened renters29.8%
5th
StrengthU.S. 51.1% · WA 49.9%437th of 541 in WA
Broadband access74.2%
2nd
WeaknessU.S. 91% · WA 93.6%539th of 563 in WA
Healthcare workers3.8%
2nd
U.S. 9.7% · WA 9.3%478th of 570 in WA
Population926
1st
U.S. 334,922,499 · WA 7,816,116431st of 571 in WA
Population density5/sq mi
1st
U.S. 95/sq mi · WA 118/sq mi497th of 571 in WA

Measure	99170	Whitman	WA	U.S.	National percentile	Rank in WA
Self-employed workers	23.2%	9.2%	9.6%	10%	99th	49th of 570
Government workers	27.7%	32.3%	16%	14.5%	97th	109th of 570
Median age	50.5	26.4	38.3	38.9	95th	128th of 571
Homeownership rateStrength	83.9%	46.8%	63.8%	65.2%	87th	154th of 563
Residents 65 and older	22.4%	11.9%	16.6%	17.2%	85th	200th of 571
Housing vacancy	13.1%	15.3%	7.3%	10.1%	82nd	166th of 563
Veterans	8.4%	4.2%	7.8%	6.2%	81st	278th of 571
Average commute	30.9 min	16.5 min	26.6 min	26.4 min	78th	153rd of 546
Income inequality (Gini)	0.471	0.520	0.469	0.483	77th	98th of 560
Unemployment rate	6.1%	7%	5.1%	5.2%	70th	176th of 570
Residents under 18	24.2%	15.8%	21.4%	22%	68th	155th of 571
Poverty rate	12.3%	22.7%	9.9%	12.5%	57th	187th of 563
Median earnings per worker	$48,173	$35,462	$59,959	$49,666	50th	352nd of 566
Work from home	11.3%	10.3%	19.8%	15.1%	42nd	354th of 570
Uninsured rate	5.5%	5.5%	6.3%	8.4%	38th	302nd of 567
Per capita income	$35,231	$34,326	$53,744	$44,673	35th	424th of 570
Median home value	$238,300	$359,600	$564,600	$332,700	30th	488th of 536
Diversity index	27.5	44	56.5	61.4	21st	420th of 571
Median household incomeWeakness	$58,750	$55,406	$98,141	$80,734	19th	477th of 541
Bachelor's degree or higherWeakness	17.8%	49.8%	39.6%	35.7%	15th	454th of 571
Median gross rent	$825	$1,049	$1,760	$1,413	8th	430th of 475
Foreign-born residents	1.2%	7.5%	15.4%	14.1%	7th	503rd of 571
Tech workers	0.5%	4%	6.7%	3.8%	6th	418th of 570
Rent-burdened rentersStrength	29.8%	61.8%	49.9%	51.1%	5th	437th of 541
Broadband accessWeakness	74.2%	85.4%	93.6%	91%	2nd	539th of 563
Healthcare workers	3.8%	6.9%	9.3%	9.7%	2nd	478th of 570
Population	926	47,003	7,816,116	334,922,499	1st	431st of 571
Population density	5/sq mi	22/sq mi	118/sq mi	95/sq mi	1st	497th of 571

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

16%

5–17

18–24

10%

25–34

35–44

12%

45–54

22%

55–64

13%

65–74

75+

Median age

50.5

Under 18

24.2%

65 and over

22.4%

Race and ethnicity

White85%
Black1.0%
Hispanic6%
Asian0%
Native American2%
Pacific Islander0.4%
Other0%
Multiracial7%

Diversity index

27.5

U.S. 61.4

Foreign-born

1.2%

U.S. 14.1%

Born in state

68%

Language spoken at home (households)

English only

97%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 423
Average household size: 2.2
Family households: 57.4%
Married couples: 51.8%
Living alone: 36.2%
Veterans (of adults): 8.4%
Male / female: 57% / 43%

Income and poverty

Household income distribution

<$25k

27%

$25–50k

19%

$50–75k

14%

$75–100k

$100–150k

15%

$150–200k

$200k+

11%

Median household income

99170

$58,750

Whitman Co.

$55,406

Washington

$98,141

United States

$80,734

Per capita income

$35,231

U.S. $44,673

Poverty rate

12.3%

U.S. 12.5%

Households earning $150K+

17.5%

U.S. 23%

Income inequality (Gini)

0.471

U.S. 0.483

Housing

Median home value

99170

$238,300

Whitman Co.

$359,600

Washington

$564,600

United States

$332,700

Median gross rent

99170

$825

Whitman Co.

$1,049

Washington

$1,760

United States

$1,413

Types of housing

Single-family

82%

2–4 units

0.8%

5–19 units

20+ units

Mobile home

12%

Boat, RV, van

Housing units: 487
Owner-occupied: 83.9%
Vacant: 13.1%
Median year built: 1941
Median rooms: 6.9
Renters paying 30%+ of income: 29.8%
Renters paying 50%+ of income: 29.8%
Home value to income: 4.1× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

73%

Carpooled

Transit

Walked

12%

Bicycle

Worked from home

11%

Other

Commute time (one way)

<10 min

22%

10–19

20–29

30–44

35%

45–59

15%

60+

16%

Average commute

30.9 min

U.S. 26.4 min

Unemployment

6.1%

U.S. 5.2%

In labor force

60.8%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

23%

Office and admin

13%

Construction and repair

11%

Sales

Production

Education

Business and finance

Cleaning and personal care

Transportation and moving

Healthcare

Farming, fishing and forestry

Food service

Police and fire

Arts, media and sports

Engineering and science

Legal and social services

0.7%

Computer and math

0.5%

Industries

Education

17%

Agriculture and mining

16%

Manufacturing

12%

Health care and social assistance

11%

Construction

Retail

Finance, insurance and real estate

Transportation, warehousing and utilities

Other services

Wholesale

Public administration

Professional and technical services

Information

Admin, support and management

0.7%

Restaurants and hotels

Arts and recreation

Median earnings per worker

$48,173

U.S. $49,666

Self-employed

23.2%

U.S. 10%

Government workers

27.7%

U.S. 14.5%

Nonprofit workers

3.1%

U.S. 8.8%

Median earnings by type of work

Type of work	99170	U.S.
Management, business, science and arts	$48,875	$74,888
Service	$24,821	$26,804
Sales and office	$56,667	$40,476
Construction and maintenance	$75,583	$49,199
Production and transportation	$58,333	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

31%

Some college

23%

Associate's

21%

Bachelor's

11%

Graduate

High school graduate or higher: 93.2%
Bachelor's degree or higher: 17.8%
Graduate or professional degree: 6.9%
Households with broadband: 74.2%
Cable, fiber or DSL: 43.5%
No internet access: 16.8%
Without health insurance: 5.5%
Limited-English households: 0%

Geography

City (USPS): Rosalia
State: Washington
County: Whitman County
Center point: 47.2530° N, 117.3972° W
Land area: 173 sq mi
Water area: 0.3 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

99170 spans 2 counties

Whitman County57% of land
Spokane County43% of land

Zip codes near 99170

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
99149	Malden, WA	3.8 mi	100	$26,250	$49,500
99039	Waverly, WA	9.8 mi	166	$65,909	$225,000
99158	Oakesdale, WA	11 mi	561	$78,375	$301,800
99176	Thornton, WA	11 mi	163	$128,000	$283,300
99031	Spangle, WA	12 mi	1,251	$98,182	$423,500
99018	Latah, WA	12 mi	272	$52,813	$210,700
99012	Fairfield, WA	13 mi	1,167	$88,571	$333,700
99033	Tekoa, WA	14 mi	832	$58,750	$253,300
99004	Cheney, WA	15 mi	22,871	$67,337	$420,500
99104	Belmont, WA · PO box	16 mi	—	—	—
99171	Saint John, WA	16 mi	895	$53,333	$220,500
99174	Steptoe, WA	17 mi	69	$50,179	$254,500

Questions about 99170

What city is zip code 99170?

99170 is assigned to Rosalia, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 99170 in?

99170 is mostly in Whitman County, but it extends into 1 other county.

What is the population of 99170?

About 926 people live in 99170, according to the Census Bureau's American Community Survey.

What time zone is 99170 in?

99170 is in Pacific Time.

What is the median household income in 99170?

The median household income in 99170 is $58,750.

What zip codes are near 99170?

The closest zip codes to 99170 are 99149, 99039, 99158, 99176, 99031.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 99170, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.