Residential delivery area · Washington
ZIP Code 99346: Plymouth, WA
ZIP code 99346 uses the postal name Plymouth, Washington and lies entirely in Benton County (Census 2020 ZIP-county file). About 200 people live there (Census Bureau, ACS 2020-2024). Median household income is $50,865 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Plymouth · its only residential ZIP
- County
- Benton County
- Metro area
- Kennewick-Richland, WA
- House district
- WA-4 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 142.9 sq mi · 1 person per sq mi
Where is ZIP code 99346?
99346 centers on 46.031°, -119.303° and covers 142.9 square miles of land plus 3.9 of water. It borders 7 ZIP codes: 97882, 99337, 99338, 97838, 97844, 99345, 99350.
The map draws ZIP code areas only. For the streets inside 99346, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 99346 compare with the rest of Benton County?
| Measure | 99346 | In Benton County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 198 | 11th of 12 | 541st of 605 |
| Median household income | $51k | not ranked | not ranked |
| Median home value | $209k | not ranked | not ranked |
99346's income and home value are not ranked: it has fewer than 1,000 residents (198). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 5% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 99346?
The 2020 Census counted 345 people in 99346; the ACS, which samples households over 2020-2024, estimates 198. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 198±79 (90% margin)
- 2020 Census count
- 345
- Households
- 75
- Median age
- 55.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 99346?
Of the 198 people the ACS estimates in 99346, 8.6% are under 18 and 32.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (59.6%), then Hispanic or Latino (33.8%).
- Under 188.6%
- 18 to 6458.6%
- 65 and older32.8%
- White, not Hispanic59.6%
- Hispanic or Latino33.8%
- Other or two or more6.6%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 99346 earn?
Median household income is $50,865 (ACS 2020-2024).
- Median household income
- $50,865±$16,830
- Income per person
- $28,424
- Below the poverty line
- 8.6%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 16.7%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 99346?
- Median home value (owners' estimate)
- $209,200
- Median gross rent
- –
- Homes owned by their occupants
- 94.7%
- Housing units
- 75
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 99346?
7 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in wholesale trade (ZIP Code Business Patterns).
- Wholesale trade3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 99346?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 97882 | Umatilla, OR | 7,976 | $69k | 8.8 mi |
| 99337 | Kennewick | 33,287 | $99k | 9.9 mi |
| 99338 | Kennewick | 20,633 | $111k | 10.0 mi |
| 97838 | Hermiston, OR | 28,512 | $70k | 12.4 mi |
| 97844 | Irrigon, OR | 3,701 | $76k | 15.5 mi |
| 99345 | Paterson | 162 | $103k | 18.2 mi |
| 99350 | Prosser | 14,837 | $81k | 22.2 mi |
| 99336 | Kennewick | 50,735 | $63k | 14.1 mi (near) |
| 99352 | Richland | 37,430 | $100k | 14.9 mi (near) |
| 97875 | Stanfield, OR | 2,410 | $58k | 16.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.