99353 ZIP Code — West Richland, WA
Benton County, Washington
ZIP code 99353 is located in West Richland, Washington, within Benton County. It covers approximately 25.81 square miles and serves a population of 18,264 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.
About ZIP code 99353
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $381,000. Owner-occupancy is high at 86%, well above the national average.
Median household income is $119,463. The poverty rate of 7% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.
Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.
18,264
population
25.81
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
99353 ZIP code map
Cities in ZIP code 99353
Below are the cities the US Postal Service accepts for ZIP code 99353. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| West Richland | Acceptable |
| West Richland | Preferred |
Nearby ZIP codes
99354 Richland (4.1 mi)
99352 Richland (5.9 mi)
99320 Benton City (6.3 mi)
99336 Kennewick (11.7 mi)
99350 Prosser (15.7 mi)
99338 Kennewick (16.2 mi)
99338 Kennewick (16.2 mi)
99330 Eltopia (18.3 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 18,264 |
| Population density | 708 / sq mi |
| State FIPS | 53 |
| County FIPS | 005 |
| Geography | |
|---|---|
| Land area | 25.81 sq mi |
| Water area | 0.68 sq mi |
| Latitude | 46.3181 |
| Longitude | -119.3770 |
| Timezone | Pacific (PT) |
| Area code | 509 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 19.7% | 32.9% | 31.7% |
| $50k – $100k | 26.9% | 33.1% | 30.6% |
| $100k – $200k | 40.7% | 26.4% | 27.1% |
| Over $200k | 12.8% | 7.6% | 10.6% |
Demographics & statistics
18,264
Population
708
People per sq mi
36.0
Median age
$119,463
Median household income
$43,047
Per capita income
$381,000
Median home value
$1,379
Median monthly rent
85.6%
Home ownership
6.7%
Poverty rate
3.5%
Unemployment
5,297
Housing units
39.3%
Bachelor's or higher
Age distribution
Male
Female
738
Under 5
782
748
5–9
792
867
10–14
919
762
15–19
808
300
20–24
318
934
25–34
990
1,429
35–44
1,513
1,130
45–54
1,197
475
55–59
504
486
60–64
514
634
65–74
672
235
75–84
249
130
85+
138
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 5,958 | 32.6% |
| 18 and over | 12,306 | 67.4% |
| 65 and over | 2,058 | 11.3% |
| Median age | 36.0 years | |
Race & ethnicity
White
72%
Two or more races
12.2%
Hispanic or Latino
9.4%
Other race
3.3%
Asian
1.2%
Black or African American
1%
Native Hawaiian / Pacific Islander
0.5%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 14,525 | 72% |
| Two or more races | 2,465 | 12.2% |
| Hispanic or Latino | 1,904 | 9.4% |
| Other race | 668 | 3.3% |
| Asian | 251 | 1.2% |
| Black or African American | 203 | 1% |
| Native Hawaiian / Pacific Islander | 109 | 0.5% |
| American Indian / Alaska Native | 43 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 19.7% | 32.9% | 31.7% |
| $50k – $100k | 26.9% | 33.1% | 30.6% |
| $100k – $200k | 40.7% | 26.4% | 27.1% |
| Over $200k | 12.8% | 7.6% | 10.6% |
Under $10k
3.1%
$10k–$15k
1.8%
$15k–$25k
2.2%
$25k–$35k
4.5%
$35k–$50k
6.0%
$50k–$75k
9.7%
$75k–$100k
11.3%
$100k–$150k
29.1%
$150k–$200k
15.4%
$200k+
17.0%
| Range | % of households |
|---|---|
| Under $10k | 3.1% |
| $10k–$15k | 1.8% |
| $15k–$25k | 2.2% |
| $25k–$35k | 4.5% |
| $35k–$50k | 6.0% |
| $50k–$75k | 9.7% |
| $75k–$100k | 11.3% |
| $100k–$150k | 29.1% |
| $150k–$200k | 15.4% |
| $200k+ | 17.0% |
| Median income | $119,463 |
Housing
Home values
Under $50k
6.7%
$50k–$100k
3.5%
$100k–$150k
2.0%
$150k–$200k
7.6%
$200k–$300k
11.7%
$300k–$500k
42.8%
$500k–$1M
25.0%
$1M+
0.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $381,000 |
| Median rent / month | $1,379 |
| Owner occupied | 85.6% |
| Renter occupied | 14.4% |
| Vacant | 5.3% |
| Single-family detached | 82.5% |
| Large apartment buildings | 0.2% |
| Mobile homes | 12.0% |
| Median rooms | 6.5 |
| Avg household size (owned) | 3.16 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.8% |
| 2010–2019 | 20.7% |
| 2000–2009 | 26.3% |
| 1990–1999 | 22.1% |
| 1980–1989 | 7.4% |
| 1970–1979 | 11.6% |
| 1960–1969 | 2.7% |
| 1950–1959 | 3.8% |
| 1940–1949 | 3.2% |
| 1939 or earlier | 1.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.8% |
| 1 bedroom | 1.1% |
| 2 bedrooms | 11.3% |
| 3 bedrooms | 50.9% |
| 4 bedrooms | 27.1% |
| 5+ bedrooms | 8.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.5% |
| 1 vehicle | 14.2% |
| 2 vehicles | 42.3% |
| 3 or more | 41.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 11.0% |
| Electricity | 86.0% |
| Propane / LP gas | 0.3% |
| Fuel oil | 0.4% |
| Wood | 1.4% |
| Solar | 0.7% |
| No fuel used | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,785 | 65.1% |
| Cohabiting couple | 304 | 5.2% |
| Male householder, no spouse | 818 | 14.1% |
| Female householder, no spouse | 904 | 15.6% |
| Households with children under 18 | 2,592 | 44.6% |
| Households with seniors (65+) | 1,380 | 23.7% |
| Average household size | 3.14 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 28.9% | 23.1% |
| Married | 61.3% | 57.7% |
| Separated | 0.2% | 2.6% |
| Widowed | 1.3% | 5.4% |
| Divorced | 8.3% | 11.2% |
Education
Less than 9th grade
1.4%
Some HS, no diploma
4.7%
HS graduate
19.8%
Some college, no degree
22.9%
Associate's degree
11.9%
Bachelor's degree
25.4%
Graduate / professional
13.9%
| Metric | % |
|---|---|
| HS diploma or higher | 93.9% |
| Bachelor's or higher | 39.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 364 | 6.5% |
| Kindergarten | 310 | 5.5% |
| Elementary school | 2,556 | 45.4% |
| High school | 1,529 | 27.1% |
| College / grad school | 874 | 15.5% |
Employment
Industry of employment
Education & healthcare
22.7%
Professional & management
20.0%
Construction
11.6%
Retail trade
8.2%
Transportation & utilities
6.1%
Arts, food & hospitality
6.1%
Manufacturing
6.0%
Public administration
5.8%
Finance & real estate
4.2%
Other services
3.8%
Agriculture & mining
2.7%
Wholesale trade
1.8%
Information
1.0%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 49.9% |
| Service | 15.7% |
| Sales & office | 15.5% |
| Natural resources & construction | 12.7% |
| Production & transportation | 6.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 76.7% |
| Government | 18.5% |
| Self-employed | 4.5% |
| Unpaid family workers | 0.3% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.0% |
| Carpool | 9.1% |
| Public transit | 0.6% |
| Walk | 0.6% |
| Work from home | 13.4% |
| Other means | 1.2% |
| Avg commute (minutes) | 24.4 |
Poverty
All people
6.7%
Under 18 years
7.8%
18 and over
6.1%
Married-couple families
3.4%
Female-led households
13.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 22.9% |
| Retirement income | 22.8% |
| Supplemental Security | 3.0% |
| Cash public assistance | 2.2% |
| Food stamps / SNAP | 8.5% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 32.3% |
| High blood pressure | 27.3% |
| High cholesterol | 31.1% |
| Diabetes | 7.6% |
| Heart disease | 4.8% |
| Stroke | 2.3% |
| Asthma | 10.7% |
| Arthritis | 22.4% |
| Kidney disease | 2.3% |
| Pulmonary disease | 5.1% |
| Cancer | 6.1% |
| Behavior / access | % |
|---|---|
| Smoking | 13.7% |
| Binge drinking | 17.9% |
| No physical activity | 15.8% |
| Less than 7 hrs sleep | 29.5% |
| Depression | 26.8% |
| Fair or poor health | 11.0% |
| Poor mental health | 14.6% |
| Poor physical health | 9.3% |
| No health insurance | 8.9% |
| Visited doctor (checkup) | 70.5% |
| Visited dentist | 70.7% |
| Cholesterol screening | 89.0% |
| Teeth loss | 9.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,134 | 9.2% |
| Disability | % |
|---|---|
| Any disability | 10.6% |
| Under 18 | 4.0% |
| 18–64 years | 9.1% |
| 65 and over | 36.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.3% |
| Public insurance | 29.2% |
| No insurance | 4.6% |
| Uninsured under 19 | 2.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 16,744 | 91.7% |
| Spanish | 918 | 5.5% |
| Other Indo-European | 815 | 4.9% |
| Asian & Pacific Islander | 17 | 0.1% |
| Other languages | 22 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 17,138 | 93.8% |
| Born in same state | 16,902 | 92.5% |
| Born in different state | 10,138 | 55.5% |
| Foreign born | 236 | 1.3% |
| Naturalized citizen | 1,126 | 6.2% |
| Not a US citizen | 407 | 36.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 2,091 | 11.4% |
| Italian | 1,778 | 9.7% |
| Arab | 1,324 | 7.2% |
| Polish | 846 | 4.6% |
| Dutch | 274 | 1.5% |
| Ancestry | Count | % |
|---|---|---|
| English | 224 | 1.2% |
| German | 191 | 1% |
| Norwegian | 9 | 0% |
| Irish | 1 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 31.8% |
| Internet access | 99.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99353
What city is ZIP code 99353 in?
ZIP code 99353 is primarily assigned to West Richland, Washington.
What county is ZIP code 99353 in?
ZIP code 99353 falls within Benton County, Washington.
Is ZIP code 99353 family-oriented?
33% of residents in ZIP code 99353 are under 18, reflecting a younger, family-oriented community.
Is ZIP code 99353 mostly owner-occupied?
86% of occupied units in ZIP code 99353 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 99353?
The median home value in ZIP code 99353 is $381,000.
What is the median household income in ZIP code 99353?
The median household income in ZIP code 99353 is $119,463, above the national median of ~$75,000.
What timezone is ZIP code 99353 in?
ZIP code 99353 observes the PST timezone.