Residential delivery area · Washington
ZIP Code 99349: Mattawa, WA
ZIP code 99349 uses the postal name Mattawa, Washington and lies entirely in Grant County (Census 2020 ZIP-county file). About 8,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $61,333 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Desert Aire (1%) and Mattawa (under 1%); 98% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Mattawa · its only residential ZIP
- County
- Grant County
- Census places
- Desert Aire (1%) census-designated place; Mattawa (under 1%)
- Micro area
- Moses Lake, WA
- House district
- WA-4 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 267.4 sq mi · 30 people per sq mi
Where is ZIP code 99349?
99349 centers on 46.731°, -119.701° and covers 267.4 square miles of land plus 10.7 of water. It borders 7 ZIP codes: 99357, 99321, 98950, 98944, 99344, 98936, 99343.
The map draws ZIP code areas only. For the streets inside 99349, 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 99349 compare with the rest of Grant County?
| Measure | 99349 | In Grant County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 8,143 | 5th of 19 | 251st of 605 |
| Median household income | $61k | not ranked | not ranked |
| Median home value | $428k | 1st of 9 | 262nd of 392 |
99349's median household income is not ranked: its 90% margin of error (±$17,952) is more than a quarter of the figure ($61,333). 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 33% 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 99349?
The 2020 Census counted 7,960 people in 99349; the ACS, which samples households over 2020-2024, estimates 8,143. Between the 2010 and 2020 censuses its population fell 6.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 8,143±935 (90% margin)
- 2020 Census count
- 7,960−6.2% since 2010 (8,483)
- Households
- 2,388
- Median age
- 29.4
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 99349?
Of the 8,143 people the ACS estimates in 99349, 30.6% are under 18 and 9.7% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (83.3%), then White (not Hispanic) (15.1%).
- Under 1830.6%
- 18 to 6459.7%
- 65 and older9.7%
- Hispanic or Latino83.3%
- White, not Hispanic15.1%
- Other or two or more1.3%
- Black, not Hispanic0.3%
- 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 99349 earn?
Median household income is $61,333 (ACS 2020-2024). It is not measurably different from 2015-2019 ($71,195 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $61,333±$17,952
- Income per person
- $30,597
- Below the poverty line
- 21.8%
- Unemployed (of the labor force)
- 7.6%
- Adults 25+ with a bachelor's degree
- 12.1%
- Adjusted gross income per tax return, 2022
- $47,6513,730 returns; wages 72% of AGI (IRS)
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 99349?
- Median home value (owners' estimate)
- $427,800
- Median gross rent
- $1,243
- Homes owned by their occupants
- 54.3%
- Housing units
- 2,815
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 99349?
73 business establishments had a location in this ZIP code in 2023, 2 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade11
- Accommodation and food services10
- Wholesale trade8
- Transportation and warehousing7
- Real estate and rental and leasing7
- Health care and social assistance7
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 99349?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 99357 | Royal City | 3,843 | $57k | 11.2 mi |
| 99321 | Beverly | 1,047 | $76k | 12.7 mi |
| 98950 | Vantage | 61 | – | 14.1 mi |
| 98944 | Sunnyside | 22,817 | $64k | 15.5 mi |
| 99344 | Othello | 19,534 | $65k | 25.8 mi |
| 98936 | Moxee | 8,744 | $99k | 25.9 mi |
| 99343 | Mesa | 3,215 | $60k | 27.1 mi |
| 98824 | George | 147 | $44k | 24.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.