About 98240 - Custer, Washington
The ZIP code 98240 of Custer falls within Washington, the United States - a mid-sized area by population. It sits within Custer County County.
Census data puts the population of this ZIP code at 35,150 residents. That's noticeably above the average for a Washington ZIP code, which sits near 21,959 people.
Median household income is about $103,900 (above the Washington average).
This ZIP code sits alongside neighboring areas like Tacoma, Milton, Seattle within Washington.