ZIP code
99343
Mesa, WA
99343 covers Mesa in Franklin County, with 3,236 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 99343. Methodology
ZIP code map of 99343

About ZIP code 99343
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 99343. Not ACS. Methodology
People in 99343
Race
- White1,233
- Black or African American13
- American Indian or Alaska Native64
- Asian33
- Native Hawaiian and Pacific Islander2
- Other race1,397
- Two or more races464
Hispanic or Latino (any race): 2,093
Age
- Under 10586
- 10 to 19651
- 20 to 29505
- 30 to 39447
- 40 to 49367
- 50 to 59293
- 60 to 69218
- 70 to 79103
- 80 and older36
Income and housing in 99343
Education
- High school graduate58.9%
- Bachelor's degree15.9%
- Graduate degree9.8%
Places covering 99343
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Basin City33.2%
- Mesa12.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Franklin County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
54.8% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 99343
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 2,525 | |
| 2006 | 2,670 | |
| 2007 | 2,781 | |
| 2008 | 2,875 | |
| 2009 | 2,980 | |
| 2010 | 3,397 | |
| 2011 | 2,551 | 3,316 |
| 2012 | 3,000 | 3,320 |
| 2013 | 3,003 | 3,360 |
| 2014 | 3,115 | 3,150 |
| 2015 | 3,271 | 3,070 |
| 2016 | 3,491 | 2,910 |
| 2017 | 3,192 | 2,770 |
| 2018 | 3,352 | 2,610 |
| 2019 | 3,623 | 3,020 |
| 2020 | 3,037 | 2,950 |
| 2021 | 2,660 | 2,600 |
| 2022 | 3,522 | 2,690 |
| 2023 | 3,236 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 99343
12 nearest ZIP centroids (any distance)
- 99330Eltopia9.5 miPop 1,104 · Income $135,648
- 99344Othello15.6 miPop 19,458 · Income $64,266
- 99326Connell16.1 miPop 5,875 · Income $71,548
- 99301Pasco18.2 miPop 86,467 · Income $82,517
- 99354Richland19.4 miPop 25,577 · Income $88,601
- 99353West Richland22.2 miPop 18,702 · Income $120,396
- 99320Benton City24.8 miPop 10,157 · Income $84,494
- 98944Sunnyside24.9 miPop 24,048 · Income $60,167
- 99352Richland25.0 miPop 36,641 · Income $96,875
- 99336Kennewick26.4 miPop 51,180 · Income $63,308
- 99349Mattawa27.1 miPop 8,098 · Income $62,851
- 98857Warden28.0 miPop 3,935 · Income $57,743
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 99343, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 99343 FAQ
- What city is ZIP code 99343 in?
- 99343 is in Mesa, WA.
- What county is 99343 in?
- 99343 is in Franklin County.
- What is the median household income in 99343?
- The median household income in 99343 is $72,400.
- Which ZIP codes are near 99343?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 99343.