ZIP code 99140: Keller, WA
99140 is a ZIP code in Keller, Washington, mainly in Ferry County. About 486 people live here.
- Population
- 486
- Median household income
- $53,529
- Typical home value
- $140,700ACS median value
- Median rent
- $450gross, per month
- Median age
- 51.5
- Homeowners
- 79.2%of occupied homes
Shaded: ZIP code 99140's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 99140 details
| City | Keller |
|---|---|
| State | Washington |
| County | Ferry County |
| Metro area | Not in a metro or micro area |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 443.1 sq mi, plus 15.3 sq mi of water |
| Population density | 1 people per sq mi |
| Bachelor's degree or higher | 12.3% of adults 25+ |
| Average commute | 21.8 minutes |
| Center coordinates | 48.11143, -118.64617 |
Median rent in 99140 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $488/mo |
| 3 bedrooms | $338/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 99140
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 99138 | Inchelium, WA | 14.4 mi | 1,223 |
| 99116 | Coulee Dam, WA | 14.9 mi | 1,786 |
| 99124 | Elmer City, WA | 16.1 mi | 326 |
| 99147 | Lincoln, WA | 19.4 mi | 214 |
| 99155 | Nespelem, WA | 21.6 mi | 1,009 |
| 99129 | Fruitland, WA | 23.7 mi | 725 |
| 99133 | Grand Coulee, WA | 23.7 mi | 1,115 |
| 99123 | Electric City, WA | 24.5 mi | 977 |
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
Buying a home in 99140?
A typical home in ZIP code 99140 is worth about $140,700 (ACS median value). The median household here earns $53,529 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.
Monthly payment for a $140,700 homeWhat can a $53,529 income afford?Rental property numbers
About ZIP code 99140
What city is ZIP code 99140?
ZIP code 99140 is in Keller, WA, in Ferry County.
What county is ZIP code 99140 in?
99140 is mainly in Ferry County, Washington.
What is the population of ZIP code 99140?
About 486 people live in ZIP code 99140, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 99140 in?
99140 is in Pacific Time (UTC−8). It observes daylight saving time.