Mesa ZIP Codes — Franklin County, WA

There is one unique ZIP code in Mesa, Washington and it is 99343. Area code: 509.
1
ZIP codes
180.87
sq mi land
2.97
sq mi water
509
area code
Mesa, WA ZIP code map

About Mesa, WA

Mesa is a small city located in the state of Washington, specifically in Franklin County. With a unique charm, Mesa combines rural and urban elements, making it an intriguing place for residents and visitors alike. The city is known for its agricultural surroundings and community-focused atmosphere.

Location & geography

Mesa is situated approximately 30 miles northwest of the larger city of Pasco and around 20 miles south of the Tri-Cities. The terrain is primarily flat, with significant agricultural land interspersed with residential areas, contributing to its rural character. The city covers an area of 180.87 square miles of land and includes 2.97 square miles of water, providing a diverse landscape for outdoor activities.

Community & economy

The character of Mesa is deeply rooted in agriculture, with many local residents involved in farming and related industries. Daily life in Mesa reflects a close-knit community where neighbors know each other, and local events often bring people together. Despite its small size, the city offers a warm, inviting atmosphere that emphasizes community values and mutual support.

Transportation

Mesa is easily accessible via State Route 17, which connects the city to neighboring areas. The nearest major airport is the Tri-Cities Airport, located about 30 miles away in Pasco, providing regional flight options. Public transport options are limited, with most residents relying on personal vehicles for their daily commutes.

History

Mesa was established in the early 20th century, primarily developed around agricultural interests due to the fertile surrounding land. Key industries include agriculture and farming, shaping not only the local economy but also the culture of the community. Over the decades, Mesa has maintained its small-town charm while supporting growth within its agricultural sector.

Did you know?

One little-known fact about Mesa is that it is located near some of Washington's largest irrigation projects, which play a crucial role in its agricultural output. Additionally, the city’s name is derived from the Spanish word for 'table,' referring to the flat landscape in the region.

ZIP codes for Mesa, WA (1)
ZIP code City County Map
99343 Mesa Franklin View map

Demographics & statistics

3,522
Population
22.3
Median age
$68,606
Median household income
$23,180
Per capita income
$0
Median home value
$917
Median monthly rent
65.8%
Home ownership
17.6%
Poverty rate
4.2%
Unemployment
544
Housing units
16.3%
Bachelor's or higher

Age distribution

Male Female
226
Under 5
227
150
5–9
151
178
10–14
178
171
15–19
171
272
20–24
272
247
25–34
248
156
35–44
156
174
45–54
174
46
55–59
46
51
60–64
51
47
65–74
47
8
75–84
9
33
85+
33
← Male
Female →

Age summary

GroupCount%
Under 181,28936.6%
18 and over2,23363.4%
65 and over1775.0%
Median age22.3 years

Race & ethnicity

White 45.1%
Hispanic or Latino 26.7%
Other race 17.4%
Two or more races 9.8%
American Indian / Alaska Native 0.6%
Asian 0.4%
GroupCount%
White2,16745.1%
Hispanic or Latino1,28426.7%
Other race83717.4%
Two or more races4719.8%
American Indian / Alaska Native300.6%
Asian170.4%

Household income

Under $10k 0.7%
$15k–$25k 6.7%
$25k–$35k 2.4%
$35k–$50k 4.8%
$50k–$75k 37.6%
$75k–$100k 8.0%
$100k–$150k 23.7%
$150k–$200k 7.0%
$200k+ 9.1%
Range% of households
Under $10k0.7%
$15k–$25k6.7%
$25k–$35k2.4%
$35k–$50k4.8%
$50k–$75k37.6%
$75k–$100k8.0%
$100k–$150k23.7%
$150k–$200k7.0%
$200k+9.1%
Median income$68,606

Housing

Home values

Under $50k 40.6%
$50k–$100k 7.9%
$100k–$150k 2.9%
$150k–$200k 0.9%
$200k–$300k 36.0%
$300k–$500k 3.1%
$500k–$1M 8.5%

Housing overview

MetricValue
Median home value$0
Median rent / month$917
Owner occupied65.8%
Renter occupied34.2%
Vacant0.0%
Single-family detached58.9%
Large apartment buildings0.0%
Mobile homes41.1%
Median rooms5.1
Avg household size (owned)3.91

Year built

Era%
2020 or later0.0%
2010–20193.0%
2000–200911.5%
1990–199916.8%
1980–19893.1%
1970–197947.6%
1960–19696.8%
1950–19599.1%
1940–19491.3%
1939 or earlier0.7%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.7%
2 bedrooms28.8%
3 bedrooms48.9%
4 bedrooms16.6%
5+ bedrooms5.1%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle11.1%
2 vehicles35.9%
3 or more53.0%

Heating fuel

Fuel type%
Utility gas0.4%
Electricity95.8%
Wood3.9%

Households & families

Household typeCount%
Married-couple family43152.1%
Cohabiting couple9010.9%
Male householder, no spouse12114.6%
Female householder, no spouse18522.4%
Households with children under 1843652.7%
Households with seniors (65+)14117.0%
Average household size4.14

Marital status

StatusMaleFemale
Never married49.8%41.3%
Married39.3%30.6%
Separated0.3%2.3%
Widowed0.9%15.2%
Divorced9.7%10.5%

Education

Less than 9th grade 19.1%
Some HS, no diploma 22.7%
HS graduate 22.9%
Some college, no degree 11.4%
Associate's degree 7.7%
Bachelor's degree 9.9%
Graduate / professional 6.4%
Metric%
HS diploma or higher58.2%
Bachelor's or higher16.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool13210.8%
Kindergarten967.9%
Elementary school53243.5%
High school26821.9%
College / grad school19415.9%

Employment

Industry of employment

Agriculture & mining 46.1%
Education & healthcare 20.1%
Construction 9.5%
Transportation & utilities 6.4%
Manufacturing 5.7%
Retail trade 5.0%
Arts, food & hospitality 4.5%
Finance & real estate 0.9%
Public administration 0.8%
Wholesale trade 0.7%
Professional & management 0.2%

Occupation

Category%
Management, business & arts20.4%
Service11.5%
Sales & office13.3%
Natural resources & construction45.1%
Production & transportation9.7%

Employment type

Type%
Private sector82.1%
Government12.9%
Self-employed3.7%
Unpaid family workers1.3%

Commute

Method%
Drive alone53.9%
Carpool30.3%
Public transit0.0%
Walk3.2%
Other means0.0%
Avg commute (minutes)18.7

Poverty

All people 17.6%
Under 18 years 25.9%
18 and over 12.9%
Married-couple families 0.0%
Female-led households 38.6%

Income support

Source% of households
Social Security25.5%
Retirement income8.9%
Supplemental Security0.0%
Cash public assistance0.4%
Food stamps / SNAP16.1%

Health indicators

Condition%
High blood pressure25.9%
High cholesterol27.5%
Heart disease5.0%
Stroke2.6%
Asthma10.8%
Arthritis18.9%
Kidney disease2.6%
Pulmonary disease5.6%
Cancer4.2%
Behavior / access%
Binge drinking17.3%
No physical activity25.2%
Less than 7 hrs sleep32.5%
Fair or poor health18.7%
Poor mental health17.2%
Poor physical health11.9%
No health insurance26.0%
Visited doctor (checkup)63.9%
Visited dentist56.1%
Cholesterol screening81.0%
Teeth loss18.2%

Veterans & disability

VeteransCount%
Civilian veterans401.8%
Disability%
Any disability8.3%
Under 183.4%
18–64 years7.2%
65 and over55.9%

Health insurance coverage

Type%
Private insurance38.6%
Public insurance41.5%
Uninsured under 194.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,06987.1%
Spanish1,02533.4%
Other Indo-European1,01433.0%
Asian & Pacific Islander00.0%
Other languages110.4%

Place of birth & citizenship

OriginCount%
Native born (US)2,04758.1%
Born in same state2,02757.6%
Born in different state1,72649.0%
Foreign born200.6%
Naturalized citizen1,47541.9%
Not a US citizen17411.8%

Ancestry

AncestryCount%
French2797.9%
Italian2286.5%
Arab230.7%
AncestryCount%
Irish60.2%
English60.2%
Polish10%

Technology access

Metric% of households
Computer access23.5%
Internet access96.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Mesa, WA have?
Mesa, WA has one ZIP code: 99343. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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