ZIP code 99346: Plymouth, WA
99346 is a ZIP code in Plymouth, Washington, mainly in Benton County, part of the Kennewick-Richland, WA metro area. About 198 people live here.
- Population
- 198
- Median household income
- $50,865
- Typical home value
- $209,200ACS median value
- Median rent
- —gross, per month
- Median age
- 55.8
- Homeowners
- 94.7%of occupied homes
Shaded: ZIP code 99346's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 99346 details
| City | Plymouth |
|---|---|
| State | Washington |
| County | Benton County |
| Metro area | Kennewick-Richland, WA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 142.9 sq mi, plus 3.9 sq mi of water |
| Population density | 1 people per sq mi |
| Bachelor's degree or higher | 16.7% of adults 25+ |
| Average commute | 20.2 minutes |
| Center coordinates | 46.03068, -119.30323 |
ZIP codes near 99346
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 97882 | Umatilla, OR | 8.8 mi | 7,976 |
| 99337 | Kennewick, WA | 9.9 mi | 33,287 |
| 99338 | Kennewick, WA | 10.0 mi | 20,633 |
| 97838 | Hermiston, OR | 12.4 mi | 28,512 |
| 99336 | Kennewick, WA | 14.1 mi | 50,735 |
| 99352 | Richland, WA | 14.9 mi | 37,430 |
| 97844 | Irrigon, OR | 15.5 mi | 3,701 |
| 97875 | Stanfield, OR | 16.6 mi | 2,410 |
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 99346?
A typical home in ZIP code 99346 is worth about $209,200 (ACS median value). The median household here earns $50,865 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.
Monthly payment for a $209,200 homeWhat can a $50,865 income afford?Rental property numbers
About ZIP code 99346
What city is ZIP code 99346?
ZIP code 99346 is in Plymouth, WA, in Benton County.
What county is ZIP code 99346 in?
99346 is mainly in Benton County, Washington.
What is the population of ZIP code 99346?
About 198 people live in ZIP code 99346, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 99346 in?
99346 is in Pacific Time (UTC−8). It observes daylight saving time.