US ZIP Code
99020

Marshall, WA

Spokane County  ·  Washington

● Active
👥 15 Population
🎂 -999.9 Median Age
🎓 53.3% College Grads
▲ 38% above avg
ZIP Code Details
ZIP Code99020
CityMarshall
StateWashington (WA)
CountySpokane County
Area Code509
Elevation2,146 ft
Latitude47.563185
Longitude-117.497051
TimezoneLos Angeles (DST)
FIPS53063
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

25–44
53%

Key Indicators

Median Age-999.9 yrs
Avg Household Size2.14
Below Poverty0.0% ▼ 100% below avg
College Grads53.3% ▲ 38% above avg
HS Graduate7 (46.7%)
Graduate Degree8 (53.3%)

Education

HS Grad: 46.7%Graduate: 53.3%Edu
HS Grad46.7%
Graduate53.3%
Housing & Income

Housing Tenure

Owner: 100%Tenure
Owner100.0%

Home Value Distribution

Over $500k
100%

Financials

Total Units7
Avg HH Size2.14

Income Distribution

$25k–50k
100%
Housing Stock

Year Built

Before 1940
50%
2000+
50%

Summary

Total Units7
Owner Occupied100.0%
Renter Occupied0.0%
Avg HH Size2.14
Frequently Asked Questions
ZIP code 99020 is in Marshall, WA, in Spokane County.
ZIP code 99020 is located in Washington (WA).
ZIP code 99020 is in Spokane County, WA.
ZIP 99020 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 99020 is 15 people (ACS 2023).
Income data not available.
Home value data not available.
About ZIP Code 99020

ZIP code 99020 is located in Marshall, Washington, within Spokane County. With a population of 15, this is a sparsely populated ZIP code with a young community — the median age is -999.9 years.

The population of 99020 is primarily White (100.00%). Residents are well-educated — 53.3% hold a bachelor's degree or higher, which is above the national average.

Overall, ZIP code 99020 in Marshall, WA is characterized as well-educated, a young community, and predominantly owner-occupied.