ZIP code 98850: Rock Island, WA
98850 is a ZIP code in Rock Island, Washington, mainly in Douglas County, part of the Wenatchee-East Wenatchee, WA metro area. About 2,032 people live here.
- Population
- 2,032
- Median household income
- $83,125
- Typical home value
- $450,500+6.2% in 12 months
- Median rent
- $1,031gross, per month
- Median age
- 37.1
- Homeowners
- 82%of occupied homes
Shaded: ZIP code 98850's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 98850 details
| City | Rock Island |
|---|---|
| State | Washington |
| County | Douglas County |
| Metro area | Wenatchee-East Wenatchee, WA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 76.3 sq mi, plus 2.9 sq mi of water |
| Population density | 27 people per sq mi |
| Bachelor's degree or higher | 10.9% of adults 25+ |
| Average commute | 30.2 minutes |
| Center coordinates | 47.40528, -120.03866 |
Median rent in 98850 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $957/mo |
| 3 bedrooms | $1,306/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 98850
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 98845 | Palisades, WA | 5.4 mi | 115 |
| 98802 | East Wenatchee, WA | 8.4 mi | 33,539 |
| 98828 | Malaga, WA | 9.3 mi | 1,898 |
| 98807 | Wenatchee, WA | 12.8 mi | — |
| 98801 | Wenatchee, WA | 14.4 mi | 45,426 |
| 98848 | Quincy, WA | 18.7 mi | 12,854 |
| 98836 | Monitor, WA | 19.2 mi | 429 |
| 98823 | Ephrata, WA | 19.4 mi | 12,188 |
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 98850?
A typical home in ZIP code 98850 is worth about $450,500 (Zillow Home Value Index). The median household here earns $83,125 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.
Monthly payment for a $450,500 homeWhat can a $83,125 income afford?Rental property numbers
About ZIP code 98850
What city is ZIP code 98850?
ZIP code 98850 is in Rock Island, WA, in Douglas County.
What county is ZIP code 98850 in?
98850 is mainly in Douglas County, Washington.
What is the population of ZIP code 98850?
About 2,032 people live in ZIP code 98850, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 98850 in?
98850 is in Pacific Time (UTC−8). It observes daylight saving time.