99352 ZIP Code — Richland, WA
Benton County, Washington
ZIP code 99352 is located in Richland, Washington, within Benton County. It covers approximately 24.00 square miles and serves a population of 35,618 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.
About ZIP code 99352
The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $398,400. Owner-occupancy sits near the national average at 68%.
The gap between median ($96,615) and mean household income suggests income inequality — a small number of higher earners pull the average up. 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 21 minutes is near the national average.
Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.
35,618
population
24.00
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
99352 ZIP code map
Cities in ZIP code 99352
Below are the cities the US Postal Service accepts for ZIP code 99352. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Richland | Acceptable |
| Richland | Preferred |
Nearby ZIP codes
99353 West Richland (5.9 mi)
99336 Kennewick (6.3 mi)
99354 Richland (8.3 mi)
99320 Benton City (10.5 mi)
99338 Kennewick (12 mi)
99338 Kennewick (12 mi)
99337 Kennewick (15.8 mi)
99350 Prosser (18.1 mi)
99323 Burbank (18.9 mi)
99330 Eltopia (19.4 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 35,618 |
| Population density | 1,484 / sq mi |
| State FIPS | 53 |
| County FIPS | 005 |
| Geography | |
|---|---|
| Land area | 24.00 sq mi |
| Water area | 1.85 sq mi |
| Latitude | 46.2497 |
| Longitude | -119.3025 |
| 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 | 26.1% | 32.9% | 31.7% |
| $50k – $100k | 31.2% | 33.1% | 30.6% |
| $100k – $200k | 31.1% | 26.4% | 27.1% |
| Over $200k | 11.6% | 7.6% | 10.6% |
Demographics & statistics
35,618
Population
1,484
People per sq mi
38.7
Median age
$96,615
Median household income
$53,092
Per capita income
$398,400
Median home value
$1,407
Median monthly rent
68.0%
Home ownership
6.7%
Poverty rate
5.0%
Unemployment
10,429
Housing units
49.2%
Bachelor's or higher
Age distribution
Male
Female
1,078
Under 5
1,003
1,301
5–9
1,210
1,341
10–14
1,247
1,135
15–19
1,055
1,212
20–24
1,127
2,211
25–34
2,057
2,601
35–44
2,420
2,020
45–54
1,879
1,404
55–59
1,307
1,004
60–64
933
1,812
65–74
1,685
933
75–84
868
402
85+
373
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 8,715 | 24.5% |
| 18 and over | 26,903 | 75.5% |
| 65 and over | 6,073 | 17.1% |
| Median age | 38.7 years | |
Race & ethnicity
White
74.6%
Two or more races
8.1%
Hispanic or Latino
6.7%
Asian
6.2%
Other race
1.7%
Black or African American
1.7%
Native Hawaiian / Pacific Islander
0.5%
American Indian / Alaska Native
0.5%
| Group | Count | % |
|---|---|---|
| White | 28,464 | 74.6% |
| Two or more races | 3,091 | 8.1% |
| Hispanic or Latino | 2,552 | 6.7% |
| Asian | 2,366 | 6.2% |
| Other race | 664 | 1.7% |
| Black or African American | 653 | 1.7% |
| Native Hawaiian / Pacific Islander | 202 | 0.5% |
| American Indian / Alaska Native | 178 | 0.5% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 26.1% | 32.9% | 31.7% |
| $50k – $100k | 31.2% | 33.1% | 30.6% |
| $100k – $200k | 31.1% | 26.4% | 27.1% |
| Over $200k | 11.6% | 7.6% | 10.6% |
Under $10k
1.2%
$10k–$15k
1.9%
$15k–$25k
5.3%
$25k–$35k
5.4%
$35k–$50k
9.3%
$50k–$75k
15.9%
$75k–$100k
12.1%
$100k–$150k
17.2%
$150k–$200k
14.5%
$200k+
17.1%
| Range | % of households |
|---|---|
| Under $10k | 1.2% |
| $10k–$15k | 1.9% |
| $15k–$25k | 5.3% |
| $25k–$35k | 5.4% |
| $35k–$50k | 9.3% |
| $50k–$75k | 15.9% |
| $75k–$100k | 12.1% |
| $100k–$150k | 17.2% |
| $150k–$200k | 14.5% |
| $200k+ | 17.1% |
| Median income | $96,615 |
Housing
Home values
Under $50k
1.6%
$50k–$100k
1.6%
$100k–$150k
4.5%
$150k–$200k
5.4%
$200k–$300k
13.8%
$300k–$500k
43.8%
$500k–$1M
27.3%
$1M+
1.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $398,400 |
| Median rent / month | $1,407 |
| Owner occupied | 68.0% |
| Renter occupied | 32.0% |
| Vacant | 5.7% |
| Single-family detached | 64.7% |
| Large apartment buildings | 11.2% |
| Mobile homes | 2.1% |
| Median rooms | 6.0 |
| Avg household size (owned) | 2.75 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.2% |
| 2010–2019 | 18.4% |
| 2000–2009 | 26.2% |
| 1990–1999 | 16.8% |
| 1980–1989 | 4.4% |
| 1970–1979 | 12.4% |
| 1960–1969 | 3.6% |
| 1950–1959 | 3.3% |
| 1940–1949 | 13.1% |
| 1939 or earlier | 0.5% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.2% |
| 1 bedroom | 9.1% |
| 2 bedrooms | 23.0% |
| 3 bedrooms | 36.7% |
| 4 bedrooms | 22.5% |
| 5+ bedrooms | 7.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.9% |
| 1 vehicle | 28.2% |
| 2 vehicles | 39.0% |
| 3 or more | 27.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 30.6% |
| Electricity | 68.0% |
| Propane / LP gas | 0.3% |
| Wood | 0.7% |
| Solar | 0.2% |
| No fuel used | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 7,171 | 50.9% |
| Cohabiting couple | 1,213 | 8.6% |
| Male householder, no spouse | 2,166 | 15.4% |
| Female householder, no spouse | 3,532 | 25.1% |
| Households with children under 18 | 4,176 | 29.7% |
| Households with seniors (65+) | 4,268 | 30.3% |
| Average household size | 2.52 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 34.2% | 23.9% |
| Married | 54.2% | 53.0% |
| Separated | 1.8% | 1.4% |
| Widowed | 2.5% | 5.9% |
| Divorced | 7.3% | 15.8% |
Education
Less than 9th grade
1.4%
Some HS, no diploma
2.8%
HS graduate
14.4%
Some college, no degree
22.9%
Associate's degree
9.3%
Bachelor's degree
27.9%
Graduate / professional
21.3%
| Metric | % |
|---|---|
| HS diploma or higher | 95.8% |
| Bachelor's or higher | 49.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 653 | 7.4% |
| Kindergarten | 355 | 4.0% |
| Elementary school | 3,887 | 44.1% |
| High school | 2,042 | 23.2% |
| College / grad school | 1,869 | 21.2% |
Employment
Industry of employment
Education & healthcare
23.0%
Professional & management
22.1%
Retail trade
10.4%
Manufacturing
7.9%
Arts, food & hospitality
7.6%
Construction
7.0%
Transportation & utilities
6.9%
Public administration
4.5%
Finance & real estate
3.0%
Other services
3.0%
Wholesale trade
1.6%
Agriculture & mining
1.5%
Information
1.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 57.1% |
| Service | 11.2% |
| Sales & office | 14.0% |
| Natural resources & construction | 6.1% |
| Production & transportation | 11.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 77.8% |
| Government | 18.6% |
| Self-employed | 3.5% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.5% |
| Carpool | 6.7% |
| Public transit | 0.1% |
| Walk | 0.9% |
| Work from home | 14.1% |
| Other means | 0.8% |
| Avg commute (minutes) | 21.4 |
Poverty
All people
6.7%
Under 18 years
9.2%
18 and over
5.9%
Married-couple families
2.6%
Female-led households
13.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 29.6% |
| Retirement income | 25.8% |
| Supplemental Security | 3.6% |
| Cash public assistance | 2.3% |
| Food stamps / SNAP | 9.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.0% |
| High blood pressure | 29.2% |
| High cholesterol | 33.5% |
| Diabetes | 8.1% |
| Heart disease | 5.4% |
| Stroke | 2.5% |
| Asthma | 10.4% |
| Arthritis | 24.0% |
| Kidney disease | 2.6% |
| Pulmonary disease | 5.2% |
| Cancer | 7.1% |
| Behavior / access | % |
|---|---|
| Smoking | 12.4% |
| Binge drinking | 16.5% |
| No physical activity | 16.2% |
| Less than 7 hrs sleep | 28.5% |
| Depression | 25.5% |
| Fair or poor health | 11.1% |
| Poor mental health | 13.8% |
| Poor physical health | 9.3% |
| No health insurance | 9.0% |
| Visited doctor (checkup) | 72.1% |
| Visited dentist | 71.4% |
| Cholesterol screening | 89.5% |
| Teeth loss | 8.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,405 | 8.9% |
| Disability | % |
|---|---|
| Any disability | 13.0% |
| Under 18 | 2.8% |
| 18–64 years | 10.0% |
| 65 and over | 37.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 77.8% |
| Public insurance | 31.5% |
| No insurance | 5.4% |
| Uninsured under 19 | 3.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 33,537 | 94.2% |
| Spanish | 1,125 | 3.4% |
| Other Indo-European | 169 | 0.5% |
| Asian & Pacific Islander | 405 | 1.2% |
| Other languages | 489 | 1.5% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 32,302 | 90.7% |
| Born in same state | 31,815 | 89.3% |
| Born in different state | 17,353 | 48.7% |
| Foreign born | 487 | 1.4% |
| Naturalized citizen | 3,316 | 9.3% |
| Not a US citizen | 1,762 | 53.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 6,577 | 18.5% |
| Italian | 4,494 | 12.6% |
| Polish | 1,454 | 4.1% |
| Arab | 1,244 | 3.5% |
| Ancestry | Count | % |
|---|---|---|
| English | 1,129 | 3.2% |
| Dutch | 429 | 1.2% |
| German | 147 | 0.4% |
| Irish | 110 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.5% |
| Internet access | 95.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99352
What city is ZIP code 99352 in?
ZIP code 99352 is primarily assigned to Richland, Washington.
What county is ZIP code 99352 in?
ZIP code 99352 falls within Benton County, Washington.
How educated is the population of ZIP code 99352?
49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 99352?
The median home value in ZIP code 99352 is $398,400.
What is the population of ZIP code 99352?
ZIP code 99352 has an estimated population of 35,618 residents, with a density of 1,484 people per square mile.
What is the median household income in ZIP code 99352?
The median household income in ZIP code 99352 is $96,615, above the national median of ~$75,000.
What timezone is ZIP code 99352 in?
ZIP code 99352 observes the PST timezone.