Postal Codes

99353 ZIP Code

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ZIP code 99353 covers West Richland, Washington, with a population of about 18,702 and a median household income of $120,396.

Population
18,702725 per square mile
Median age
36.12.6 points below the US average
Median household income
$120,3961.3× the Washington median
Poverty rate
6.9%5.5 points below the US average
Typical home value
$498,905up 17.4% in five years
Median rent
$1,5349% below the Washington median
Degree or higher
39.5%4.5 points above the US average
Homeownership
84.7%19.7 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
244

Where 99353 is

West Richland, 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

Population18,702
Median age36.1
Family households78.9%
Born outside the US7.4%
Speaks a language other than English at home12.8%
White (non-Hispanic)74%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)2.1%
Hispanic or Latino14.7%
Veterans8.6%
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$120,396
Income per person$45,188
Poverty rate6.9%
Households on SNAP or cash assistance9.6%

Household income distribution

Under $10k3.0%
$10–15k2.0%
$15–20k1.2%
$20–25k1.6%
$25–30k1.5%
$30–35k2.2%
$35–40k3.2%
$40–45k2.1%
$45–50k2.3%
$50–60k4.4%
$60–75k3.8%
$75–100k11.0%
$100–125k14.8%
$125–150k12.7%
$150–200k15.1%
$200k or more19.3%

Income as declared to the IRS

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

Tax returns filed8,650
Mean adjusted gross income$102,121
Returns declaring $200,000 or more10.1%
Returns, under $25k19.7%
Returns, $25k–$50k17.2%
Returns, $50k–$75k12.1%
Returns, $75k–$100k11.2%
Returns, $100k–$200k29.7%
Returns, $200k or more10.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$407,600
Median gross rent$1,534
Rent as a share of household income25.9%
Owner-occupied84.7%
Vacant homes5.4%
Median year built2000

What the homes are

Detached house81.2%
Attached house0.6%
2 to 4 units1.4%
5 to 19 units3.3%
20 or more units0.7%
Mobile home12.7%
Boat, RV or van0.2%
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$498,905as of 2026-07
Typical home value, 1 yeardown 0.3%
Typical home value, 5 yearsup 17.4%
Typical home value, 10 yearsup 89.2%
Typical asking rent$2,089as of 2026-07
Typical home value since 2000
200720162026$500,482$206,869

$210,257 in 2007 to $498,905 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.2%
Bachelor's degree or higher39.5%
High school diploma or higher92.9%
Works from home16.3%
Drives to work alone71.9%
Takes public transport0.6%
Commutes 45 minutes or more14.6%
Health

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

Obesity35.1% 1.7 pts above the national average of 33.4%
Diagnosed diabetes9.3% 2.7 pts below the national average of 12%
Currently smokes10% 3.2 pts below the national average of 13.2%
High blood pressure27.7% 6.4 pts below the national average of 34.1%
Fair or poor general health16% 4.3 pts below the national average of 20.3%
No health insurance (18–64)7.4% 3.9 pts below the national average of 11.3%
Depression25% 3.1 pts above the national average of 21.9%
No leisure-time physical activity17.5% 7.9 pts below the national average of 25.4%
Arthritis24% 1.1 pts below the national average of 25.1%
Binge drinking18% 2 pts above the national average of 16%
Taking blood pressure medication69.1% 5.6 pts below the national average of 74.7%
Cancer (non-skin)8.4% 0.7 pts above the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease5.2% 1 pts below the national average of 6.2%
Routine check-up in past year71.5% 5.2 pts below the national average of 76.7%
Cholesterol screening84.8% 1.1 pts below the national average of 85.9%
Cognitive disability13.1% 1.7 pts below the national average of 14.8%
Colorectal screening66.5% 2.2 pts above the national average of 64.3%
COPD5.2% 1.4 pts below the national average of 6.6%
Visited a dentist69.4% 8.1 pts above the national average of 61.3%
Any disability26% 4.7 pts below the national average of 30.7%
Hearing disability6.2% 0.5 pts below the national average of 6.7%
High cholesterol35.8% same as the national average of 36.2%
Independent living disability6.7% 1.7 pts below the national average of 8.4%
Mammography use73.5% 2.4 pts below the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability10.8% 3.2 pts below the national average of 14%
Poor physical health (14+ days)12.7% 0.8 pts below the national average of 13.5%
Self-care disability3.1% 0.9 pts below the national average of 4%
Sleeps under 7 hours30% 6.4 pts below the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost8.3% 4.7 pts below the national average of 13%
Vision disability3.8% 1.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments244
People employed1,386
Annual payroll$61,646,000
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 54.1% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 7 census tracts this ZIP code covers
Expected annual loss51.1 out of 100
Community resilience45.5 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
Volcanic activity84.5Very Low at its worst in this ZIP code
Winter weather82.6Relatively High at its worst in this ZIP code
Ice storm82.2Relatively Moderate at its worst in this ZIP code
Heat wave82.1Relatively High at its worst in this ZIP code
Drought74.1Very Low at its worst in this ZIP code
Earthquake72.3Relatively Moderate at its worst in this ZIP code
River flooding68.8Relatively High at its worst in this ZIP code
Landslide65.9Relatively Low at its worst in this ZIP code
Cold wave64.9Relatively Moderate at its worst in this ZIP code
Lightning40.4Relatively Moderate at its worst in this ZIP code
Strong wind40Relatively Low at its worst in this ZIP code
Hail35.9Relatively Low at its worst in this ZIP code
Tornado12.9Very 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$120,396$94,952$78,538
Income per person$45,188$51,493$43,289
Poverty rate6.9%9.9%12.4%
Median home value$407,600$519,800$303,400
Median gross rent$1,534$1,682$1,348
Homeownership84.7%63.9%65%
Bachelor's degree or higher39.5%38.8%35%
Unemployment rate4.2%5%5.2%
Works from home16.3%17.7%13.5%
Born outside the US7.4%15.1%13.9%
Median age36.138.238.7
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 stationRICHLAND, WA US8.3 km away
Rain in a year7 in

Average high and low by month

January40.6°F / 28.8°F1.04 in rain
February47.5°F / 30.1°F0.67 in rain
March57.1°F / 35.1°F0.64 in rain
April65.1°F / 41°F0.62 in rain
May73.9°F / 48.3°F0.63 in rain
June80.2°F / 54.4°F0.56 in rain
July89.3°F / 60°F0.23 in rain
August88.1°F / 59°F0.13 in rain
September78.9°F / 51.4°F0.29 in rain
October64.3°F / 41.7°F0.54 in rain
November49°F / 33.6°F0.87 in rain
December39.9°F / 28.4°F1.07 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 supermarket48% of this ZIP code's area
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Richland School District98.2% of this ZIP code's land area
Kiona-Benton City School District1.8% 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 vulnerability50more vulnerable than 50% of US census tracts
Socioeconomic status37more vulnerable than 37% of US census tracts
Household characteristics70more vulnerable than 70% of US census tracts
Racial and ethnic minority status42more vulnerable than 42% of US census tracts
Housing type and transport53more vulnerable than 53% of US census tracts
Walkability8.2 out of 20Below average
Nearby ZIP codes

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

99354 Richland, WA5.1 km away
99352 Richland, WA9.5 km away
99320 Benton City, WA10 km away
99336 Kennewick, WA19.5 km away
99338 Kennewick, WA19.5 km away
99301 Pasco, WA21.8 km away
99302 Pasco, WA23.1 km away
99337 Kennewick, WA23.3 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.

Benton County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area25.81 sq mi
Water area0.68 sq mi
Population density725 people per sq mi
Latitude, longitude46.3153, -119.3714

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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