Postal Codes

99343 ZIP Code

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ZIP code 99343 covers Mesa, Washington, with a population of about 3,236 and a median household income of $72,400.

Population
3,23618 per square mile
Median age
23.715 points below the US average
Median household income
$72,40024% below the Washington median
Poverty rate
16.7%4.3 points above the US average
Typical home value
$571,670up 16.1% in five years
Median rent
$1,09035% below the Washington median
Degree or higher
15.9%19.1 points below the US average
Homeownership
71.6%6.6 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
41

Where 99343 is

Mesa, Washington — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population3,236
Median age23.7
Family households81.4%
Born outside the US45.8%
Speaks a language other than English at home66.5%
White (non-Hispanic)24.9%
Black (non-Hispanic)0.6%
Asian (non-Hispanic)0.3%
Hispanic or Latino73.6%
Veterans1.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$72,400
Income per person$29,329
Poverty rate16.7%
Households on SNAP or cash assistance23.5%

Household income distribution

Under $10k1.7%
$10–15k0.0%
$15–20k1.5%
$20–25k3.9%
$25–30k0.8%
$30–35k0.8%
$35–40k0.0%
$40–45k0.3%
$45–50k4.6%
$50–60k26.6%
$60–75k10.0%
$75–100k12.1%
$100–125k10.4%
$125–150k4.2%
$150–200k6.8%
$200k or more16.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,230
Mean adjusted gross income$58,488
Returns declaring $200,000 or more3.3%
Returns, under $25k30.9%
Returns, $25k–$50k28.5%
Returns, $50k–$75k19.5%
Returns, $75k–$100k8.9%
Returns, $100k–$200k8.9%
Returns, $200k or more3.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$244,500
Median gross rent$1,090
Rent as a share of household income15.9%
Owner-occupied71.6%
Vacant homes0%
Median year built1979

What the homes are

Detached house59.9%
2 to 4 units4.2%
Mobile home35.9%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$571,670as of 2026-07
Typical home value, 1 yearup 3%
Typical home value, 5 yearsup 16.1%
Typical home value, 10 yearsup 105%
Typical home value since 2000
200020132026$571,670$187,530

$187,530 in 2000 to $571,670 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate12.4%
Bachelor's degree or higher15.9%
High school diploma or higher58.9%
Works from home15.3%
Drives to work alone51%
Takes public transport0%
Commutes 45 minutes or more5.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity35.6% 2.2 pts above the national average of 33.4%
Diagnosed diabetes10.4% 1.6 pts below the national average of 12%
Currently smokes12.6% 0.6 pts below the national average of 13.2%
High blood pressure25.7% 8.4 pts below the national average of 34.1%
Fair or poor general health25.6% 5.3 pts above the national average of 20.3%
No health insurance (18–64)24.7% 13.4 pts above the national average of 11.3%
Depression21.2% 0.7 pts below the national average of 21.9%
No leisure-time physical activity26.6% 1.2 pts above the national average of 25.4%
Arthritis18% 7.1 pts below the national average of 25.1%
Binge drinking17.2% 1.2 pts above the national average of 16%
Taking blood pressure medication63.9% 10.8 pts below the national average of 74.7%
Cancer (non-skin)4.6% 3.1 pts below the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease4.9% 1.3 pts below the national average of 6.2%
Routine check-up in past year65.1% 11.6 pts below the national average of 76.7%
Cholesterol screening74.4% 11.5 pts below the national average of 85.9%
Cognitive disability19.4% 4.6 pts above the national average of 14.8%
Colorectal screening56.9% 7.4 pts below the national average of 64.3%
COPD5.2% 1.4 pts below the national average of 6.6%
Visited a dentist49.9% 11.4 pts below the national average of 61.3%
Any disability32.8% 2.1 pts above the national average of 30.7%
Hearing disability6.2% 0.5 pts below the national average of 6.7%
High cholesterol29.9% 6.3 pts below the national average of 36.2%
Independent living disability9.6% 1.2 pts above the national average of 8.4%
Mammography use66.8% 9.1 pts below the national average of 75.9%
Poor mental health (14+ days)18.5% 1.7 pts above the national average of 16.8%
Mobility disability13% 1 pts below the national average of 14%
Poor physical health (14+ days)15.4% 1.9 pts above the national average of 13.5%
Self-care disability4.6% 0.6 pts above the national average of 4%
Sleeps under 7 hours36.7% same as the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost15.6% 2.6 pts above the national average of 13%
Vision disability7.4% 1.8 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments41
People employed345
Annual payroll$19,930,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 70.2% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss60.3 out of 100
Community resilience13.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire95.4Relatively High at its worst in this ZIP code
Heat wave90.4Relatively High at its worst in this ZIP code
Ice storm86.6Relatively High at its worst in this ZIP code
River flooding83.9Very High at its worst in this ZIP code
Drought81.9Relatively Low at its worst in this ZIP code
Hail81.7Relatively Moderate at its worst in this ZIP code
Cold wave80.8Relatively High at its worst in this ZIP code
Landslide78.8Relatively Low at its worst in this ZIP code
Volcanic activity77.7Very Low at its worst in this ZIP code
Earthquake77.2Relatively Moderate at its worst in this ZIP code
Winter weather62.2Relatively Moderate at its worst in this ZIP code
Strong wind58.9Relatively Moderate at its worst in this ZIP code
Lightning47.1Relatively Moderate at its worst in this ZIP code
Tornado14.8Very Low at its worst in this ZIP code
Compared with Washington and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWashingtonUnited States
Median household income$72,400$94,952$78,538
Income per person$29,329$51,493$43,289
Poverty rate16.7%9.9%12.4%
Median home value$244,500$519,800$303,400
Median gross rent$1,090$1,682$1,348
Homeownership71.6%63.9%65%
Bachelor's degree or higher15.9%38.8%35%
Unemployment rate12.4%5%5.2%
Works from home15.3%17.7%13.5%
Born outside the US45.8%15.1%13.9%
Median age23.738.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationELTOPIA 8 WSW, WA US20 km away
Rain in a year10 in

Average high and low by month

January39.6°F / 26.9°F1.36 in rain
February46.7°F / 29.3°F0.96 in rain
March56.9°F / 33.3°F0.73 in rain
April64.4°F / 38.5°F0.8 in rain
May73.3°F / 45.7°F0.91 in rain
June78.7°F / 51.2°F0.77 in rain
July86.2°F / 56.6°F0.26 in rain
August85.4°F / 56.5°F0.2 in rain
September76.9°F / 49.2°F0.39 in rain
October63.1°F / 40.2°F0.87 in rain
November47.9°F / 32.2°F1.06 in rain
December39.2°F / 26.8°F1.73 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

North Franklin School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability76more vulnerable than 76% of US census tracts
Socioeconomic status64more vulnerable than 64% of US census tracts
Household characteristics78more vulnerable than 78% of US census tracts
Racial and ethnic minority status78more vulnerable than 78% of US census tracts
Housing type and transport71more vulnerable than 71% of US census tracts
Walkability5.9 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

99330 Eltopia, WA11.8 km away
99326 Connell, WA23.6 km away
99354 Richland, WA30.9 km away
99344 Othello, WA32.4 km away
99353 West Richland, WA34.3 km away
99301 Pasco, WA36.7 km away
99352 Richland, WA38 km away
99302 Pasco, WA38.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Franklin County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area180.87 sq mi
Water area2.97 sq mi
Population density18 people per sq mi
Latitude, longitude46.5782, -119.1373

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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