ZIP code 99020: Marshall, WA
99020 is a ZIP code in Marshall, Washington, mainly in Spokane County, part of the Spokane-Spokane Valley, WA metro area. About 16 people live here.
- Population
- 16
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- —
- Homeowners
- 100%of occupied homes
Shaded: ZIP code 99020's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 99020 details
| City | Marshall |
|---|---|
| State | Washington |
| County | Spokane County |
| Metro area | Spokane-Spokane Valley, WA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0 sq mi |
| Population density | 400 people per sq mi |
| Bachelor's degree or higher | 56.2% of adults 25+ |
| Center coordinates | 47.56318, -117.49705 |
ZIP codes near 99020
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 99014 | Four Lakes, WA | 4.6 mi | 17 |
| 99224 | Spokane, WA | 6.1 mi | 24,919 |
| 99203 | Spokane, WA | 6.3 mi | 21,468 |
| 99001 | Airway Heights, WA | 6.7 mi | 9,440 |
| 99204 | Spokane, WA | 6.7 mi | 7,643 |
| 99214 | Spokane, WA | 6.9 mi | — |
| 99210 | Spokane, WA | 6.9 mi | — |
| 99219 | Spokane, WA | 6.9 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 99020
What city is ZIP code 99020?
ZIP code 99020 is in Marshall, WA, in Spokane County.
What county is ZIP code 99020 in?
99020 is mainly in Spokane County, Washington.
What is the population of ZIP code 99020?
About 16 people live in ZIP code 99020, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 99020 in?
99020 is in Pacific Time (UTC−8). It observes daylight saving time.