Zip code 99346: Plymouth, Washington

Q: What city is zip code 99346?

99346 is assigned to Plymouth, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 99346 in?

99346 is in Benton County, Washington.

Q: What is the population of 99346?

About 198 people live in 99346, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 99346?

The median household income in 99346 is $50,865.

Q: What zip codes are near 99346?

The closest zip codes to 99346 are 97882, 99337, 99338, 97838, 99336.

Residential delivery areaBenton CountyPacific Time

Population

198

Small sample: rough estimates

Median household income

$51K

U.S. $81K

Median home value

$209K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

55.8

U.S. 38.9

Land area

143 sq mi

1 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 99346

99346 is a rural zip code in Plymouth, Washington (Benton County), covering 143 sq mi of land. About 198 people live here, or 1 per square mile. The median resident is 55.8 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $50,865 a year, 37% below the national median of $80,734. 8.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $209,200, or 4.1 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 95% of occupied homes are lived in by their owners.

17% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 20.2 minutes each way, and 20% of workers work from home. The most common jobs among working residents are in farming, fishing and forestry; office and administrative support; and transportation and moving goods.

How 99346 compares

Sorted from highest to lowest national percentile

Only about 198 people live here, so these survey estimates have wide margins of error.

Homeownership rate94.7%
99th
StrengthU.S. 65.2% · WA 63.8%29th of 563 in WA
Broadband access100%
99th
StrengthU.S. 91% · WA 93.6%2nd of 563 in WA
Median age55.8
98th
U.S. 38.9 · WA 38.374th of 571 in WA
Residents 65 and older32.8%
98th
U.S. 17.2% · WA 16.6%78th of 571 in WA
Veterans12.2%
95th
U.S. 6.2% · WA 7.8%118th of 571 in WA
Uninsured rate14.6%
87th
WeaknessU.S. 8.4% · WA 6.3%56th of 567 in WA
Work from home20%
77th
U.S. 15.1% · WA 19.8%157th of 570 in WA
Foreign-born residents20.2%
75th
U.S. 14.1% · WA 15.4%92nd of 571 in WA
Diversity index52.8
57th
U.S. 61.4 · WA 56.5157th of 571 in WA
Tech workers2.9%
50th
U.S. 3.8% · WA 6.7%256th of 570 in WA
Poverty rate8.6%
36th
U.S. 12.5% · WA 9.9%324th of 563 in WA
Income inequality (Gini)0.412
30th
U.S. 0.483 · WA 0.469314th of 560 in WA
Median home value$209,200
23rd
U.S. $332,700 · WA $564,600517th of 536 in WA
Per capita income$28,424
15th
WeaknessU.S. $44,673 · WA $53,744500th of 570 in WA
Bachelor's degree or higher16.7%
13th
WeaknessU.S. 35.7% · WA 39.6%466th of 571 in WA
Average commute20.2 min
13th
StrengthU.S. 26.4 min · WA 26.6 min446th of 546 in WA
Median household income$50,865
10th
WeaknessU.S. $80,734 · WA $98,141512th of 541 in WA
Self-employed workers5.7%
8th
U.S. 10% · WA 9.6%471st of 570 in WA
Residents under 188.6%
2nd
U.S. 22% · WA 21.4%515th of 571 in WA
Median earnings per worker$26,518
2nd
WeaknessU.S. $49,666 · WA $59,959549th of 566 in WA
Population198
1st
U.S. 334,922,499 · WA 7,816,116541st of 571 in WA
Population density1/sq mi
1st
U.S. 95/sq mi · WA 118/sq mi559th of 571 in WA
Unemployment rate0%
1st
StrengthU.S. 5.2% · WA 5.1%508th of 570 in WA
Housing vacancy0%
1st
U.S. 10.1% · WA 7.3%535th of 563 in WA
Rent-burdened renters0%
1st
StrengthU.S. 51.1% · WA 49.9%507th of 541 in WA
Healthcare workers0%
1st
U.S. 9.7% · WA 9.3%523rd of 570 in WA
Government workers2.9%
1st
U.S. 14.5% · WA 16%551st of 570 in WA

Measure	99346	Benton	WA	U.S.	National percentile	Rank in WA
Homeownership rateStrength	94.7%	67.6%	63.8%	65.2%	99th	29th of 563
Broadband accessStrength	100%	92.2%	93.6%	91%	99th	2nd of 563
Median age	55.8	36.3	38.3	38.9	98th	74th of 571
Residents 65 and older	32.8%	15.9%	16.6%	17.2%	98th	78th of 571
Veterans	12.2%	7.5%	7.8%	6.2%	95th	118th of 571
Uninsured rateWeakness	14.6%	7.9%	6.3%	8.4%	87th	56th of 567
Work from home	20%	12.9%	19.8%	15.1%	77th	157th of 570
Foreign-born residents	20.2%	11.4%	15.4%	14.1%	75th	92nd of 571
Diversity index	52.8	51.4	56.5	61.4	57th	157th of 571
Tech workers	2.9%	3%	6.7%	3.8%	50th	256th of 570
Poverty rate	8.6%	11%	9.9%	12.5%	36th	324th of 563
Income inequality (Gini)	0.412	0.438	0.469	0.483	30th	314th of 560
Median home value	$209,200	$407,800	$564,600	$332,700	23rd	517th of 536
Per capita incomeWeakness	$28,424	$42,435	$53,744	$44,673	15th	500th of 570
Bachelor's degree or higherWeakness	16.7%	33.2%	39.6%	35.7%	13th	466th of 571
Average commuteStrength	20.2 min	22.2 min	26.6 min	26.4 min	13th	446th of 546
Median household incomeWeakness	$50,865	$89,874	$98,141	$80,734	10th	512th of 541
Self-employed workers	5.7%	8.5%	9.6%	10%	8th	471st of 570
Residents under 18	8.6%	26.1%	21.4%	22%	2nd	515th of 571
Median earnings per workerWeakness	$26,518	$52,944	$59,959	$49,666	2nd	549th of 566
Population	198	212,905	7,816,116	334,922,499	1st	541st of 571
Population density	1/sq mi	125/sq mi	118/sq mi	95/sq mi	1st	559th of 571
Unemployment rateStrength	0%	5.3%	5.1%	5.2%	1st	508th of 570
Housing vacancy	0%	6.1%	7.3%	10.1%	1st	535th of 563
Rent-burdened rentersStrength	0%	48.2%	49.9%	51.1%	1st	507th of 541
Healthcare workers	0%	9.9%	9.3%	9.7%	1st	523rd of 570
Government workers	2.9%	17.7%	16%	14.5%	1st	551st of 570

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

5–17

19%

18–24

25–34

13%

35–44

45–54

19%

55–64

19%

65–74

14%

75+

Median age

55.8

Under 18

8.6%

65 and over

32.8%

Race and ethnicity

White60%
Black0%
Hispanic34%
Asian0%
Native American3%
Pacific Islander0%
Other0%
Multiracial4%

Diversity index

52.8

U.S. 61.4

Foreign-born

20.2%

U.S. 14.1%

Born in state

41.4%

Language spoken at home (households)

English only

81%

Spanish

19%

Other Indo-European

Asian / Pacific

Other

Households

Households: 75
Average household size: 2.3
Family households: 53.3%
Married couples: 48%
Living alone: 32%
Veterans (of adults): 12.2%
Male / female: 67% / 33%

Income and poverty

Household income distribution

<$25k

16%

$25–50k

28%

$50–75k

32%

$75–100k

$100–150k

16%

$150–200k

$200k+

Median household income

99346

$50,865

Benton Co.

$89,874

Washington

$98,141

United States

$80,734

Per capita income

$28,424

U.S. $44,673

Poverty rate

8.6%

U.S. 12.5%

Households earning $150K+

U.S. 23%

Income inequality (Gini)

0.412

U.S. 0.483

Housing

Median home value

99346

$209,200

Benton Co.

$407,800

Washington

$564,600

United States

$332,700

Median gross rent

99346

—

Benton Co.

$1,306

Washington

$1,760

United States

$1,413

Types of housing

Single-family

57%

2–4 units

5–19 units

20+ units

Mobile home

36%

Boat, RV, van

Housing units: 75
Owner-occupied: 94.7%
Vacant: 0%
Median year built: 1998
Median rooms: 5.4
Renters paying 30%+ of income: 0%
Renters paying 50%+ of income: 0%
Home value to income: 4.1× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

43%

Carpooled

37%

Transit

Walked

Bicycle

Worked from home

20%

Other

Commute time (one way)

<10 min

23%

10–19

32%

20–29

30–44

36%

45–59

60+

Average commute

20.2 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

55.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Farming, fishing and forestry

31%

Office and admin

19%

Transportation and moving

18%

Sales

16%

Production

Business and finance

Computer and math

Management

Engineering and science

Education

Legal and social services

Arts, media and sports

Healthcare

Police and fire

Food service

Cleaning and personal care

Construction and repair

Industries

Agriculture and mining

31%

Retail

22%

Wholesale

19%

Manufacturing

11%

Professional and technical services

Finance, insurance and real estate

Public administration

Information

Health care and social assistance

Education

Construction

Restaurants and hotels

Transportation, warehousing and utilities

Admin, support and management

Other services

Arts and recreation

Median earnings per worker

$26,518

U.S. $49,666

Self-employed

5.7%

U.S. 10%

Government workers

2.9%

U.S. 14.5%

Nonprofit workers

22.9%

U.S. 8.8%

Median earnings by type of work

Type of work	99346	U.S.
Management, business, science and arts	—	$74,888
Service	—	$26,804
Sales and office	$38,125	$40,476
Construction and maintenance	$25,446	$49,199
Production and transportation	$32,143	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

14%

High school

48%

Some college

Associate's

13%

Bachelor's

13%

Graduate

High school graduate or higher: 86.1%
Bachelor's degree or higher: 16.7%
Graduate or professional degree: 3.5%
Households with broadband: 100%
Cable, fiber or DSL: 45.3%
No internet access: 0%
Without health insurance: 14.6%
Limited-English households: 6.7%

Geography

City (USPS): Plymouth
State: Washington
County: Benton County
Center point: 46.0307° N, 119.3032° W
Land area: 143 sq mi
Water area: 3.9 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Zip codes near 99346

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
97882	Umatilla, OR	8.8 mi	7,976	$69,223	$244,800
99337	Kennewick, WA	9.9 mi	33,287	$98,848	$395,500
99338	Kennewick, WA	10 mi	20,633	$111,042	$551,500
97838	Hermiston, OR	12 mi	28,512	$69,599	$306,500
99336	Kennewick, WA	14 mi	50,735	$62,527	$324,400
99352	Richland, WA	15 mi	37,430	$100,108	$474,100
97844	Irrigon, OR	16 mi	3,701	$76,090	$232,400
97875	Stanfield, OR	17 mi	2,410	$57,451	$208,900
99302	Pasco, WA · PO box	17 mi	—	—	—
99345	Paterson, WA	18 mi	162	$102,500	$415,500
99353	West Richland, WA	20 mi	19,251	$121,845	$450,500
99363	Wallula, WA	20 mi	145	—	$253,300

Questions about 99346

What city is zip code 99346?

99346 is assigned to Plymouth, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 99346 in?

99346 is in Benton County, Washington.

What is the population of 99346?

About 198 people live in 99346, according to the Census Bureau's American Community Survey.

What time zone is 99346 in?

99346 is in Pacific Time.

What is the median household income in 99346?

The median household income in 99346 is $50,865.

What zip codes are near 99346?

The closest zip codes to 99346 are 97882, 99337, 99338, 97838, 99336.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 99346, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.