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ZIP Code 99170
Rosalia, WA, Whitman County
Population
926
Land area
173.1sq mi
People per sq mi
5
City
Rosalia
ZIP 99170 and nearby ZIP codes
ZIP 99170 at a glance
- ZIP 99170 (Rosalia) is 95% less dense than Washington as a whole.
- The median household income is $58,750, 40% below the Washington median of $98,141.
- A typical owner-occupied home is valued at $238,300 (58% below Washington) and median rent is $825 a month.
Local data for ZIP 99170
Counts from official public data
Housing and community stats
ZIP 99170, American Community Survey 2020-2024
Median household income
$58,750
Poverty rate
12.3%
Median home value
$238,300
Prices +10.8% in a year
Median rent
$825/mo
Homeownership
83.9%
Bachelor's or higher
17.8%
Median age
50.5
Average commute
30.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
23
ZIP Business Patterns 2023
Employees
83
$4.9M annual payroll
PPP loans
$589K
40 loans
Campaign donations
$4,443
6% D, 35% R, 2026 cycle
Environment and hazard risk
ZIP 99170, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: landslide
Storm events since 1996
339
Countywide, mostly heavy snow
Flood insurance policies
41
0.3% of homes, county
July high / Jan low
85° / 25°F
18.4 inches of rain a year
Health statistics
Share of adults in ZIP 99170, CDC PLACES estimates
Obesity
33.3%
U.S. 33.3% about the same
Diabetes
12.3%
U.S. 12.1% about the same
Smoking
13.5%
U.S. 12.8% +0.7 pts
Uninsured (18-64)
7.7%
U.S. 11.1% -3.4 pts
Frequently asked questions
- What city is ZIP code 99170?
- ZIP code 99170 is in Rosalia, WA (Whitman County).
- What county is ZIP code 99170 in?
- ZIP code 99170 is mostly in Whitman County, Washington.
- How many people live in ZIP code 99170?
- About 926 people live in the 99170 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.