US ZIP Code
99350

Prosser, WA

Benton County  ·  Washington

● Active
👥 14,278 Population ↑ 6% since 2019
💰 $74,393 Median HH Income
≈ Avg ↑ 28% since 2019
🎂 33.7 Median Age ↓ 11% since 2019
🏠 $289,100 Median Home Value
≈ Avg ↑ 37% since 2019
🎓 35.9% College Grads
≈ Avg
📊 7.6% Unemployment
▲ 55% above avg ↑ 155% since 2019
ZIP Code Details
ZIP Code99350
CityProsser
StateWashington (WA)
CountyBenton County
Area Code509
Elevation587 ft
Latitude46.142479
Longitude-119.736752
TimezoneLos Angeles (DST)
FIPS53005
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.2% (7,309) Female 48.8% (6,969) ♀

Race & Ethnicity

White: 49.6%Hispanic: 45.7%Black: 0.5%Asian: 1.9%Other: 1.2%Race
White49.6%
Hispanic45.7%
Black0.5%
Asian1.9%
Other1.2%

Age Breakdown

Under 5
5%
5–17
25%
18–24
10%
25–44
24%
45–64
23%
65+
6%

Key Indicators

Median Age33.7 yrs ↓ 11% since 2019
Avg Household Size3.03
Below Poverty12.0% ▲ 20% above avg
College Grads35.9% ≈ Avg
Unemployment7.6% ▲ 55% above avg
No HS Diploma307 (4.2%)
HS Graduate2,167 (29.6%)
Some College1,016 (13.9%)
Associates1,211 (16.5%)
Bachelors983 (13.4%)
Graduate Degree1,644 (22.4%)

Education

No HS: 4.2%HS Grad: 29.6%Some College: 13.9%Associates: 16.5%Bachelors: 13.4%Graduate: 22.4%Edu
No HS4.2%
HS Grad29.6%
Some College13.9%
Associates16.5%
Bachelors13.4%
Graduate22.4%
Housing & Income

Housing Tenure

Owner: 63.2%Renter: 36.8%Tenure
Owner63.2%
Renter36.8%

Home Value Distribution

Under $50k
9%
$50k–100k
2%
$100k–150k
2%
$150k–200k
6%
$200k–300k
36%
$300k–500k
28%
Over $500k
18%

Financials

Median HH Income$74,393 ≈ Avg ↑ 28% since 2019
Median Home Value$289,100 ≈ Avg ↑ 37% since 2019
Home/Income Ratio3.9x (nat avg ~3.5x)
Median Rent$899/mo ↑ 12% since 2019
Total Units4,954
Vacant Units378
Avg HH Size3.03

Income Distribution

Under $25k
12%
$25k–50k
16%
$50k–75k
21%
$75k–100k
10%
$100k–150k
25%
$150k–200k
9%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
84%
Public Transit
2%
Walked
2%
Work From Home
12%

Commute Time

Under 15 min
46%
15–30 min
23%
30–45 min
21%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
6%
1960s–1970s
13%
1980s–1990s
17%
2000+
59%

Summary

Total Units4,954
Vacant378
Owner Occupied63.2%
Renter Occupied36.8%
Avg HH Size3.03
Frequently Asked Questions
ZIP code 99350 is in Prosser, WA, in Benton County.
ZIP code 99350 is located in Washington (WA).
ZIP code 99350 is in Benton County, WA.
ZIP 99350 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 99350 is 14,278 people (ACS 2023).
The median household income in ZIP code 99350 is $74,393 (ACS 2023).
The median home value in ZIP 99350 is $289,100 (ACS 2023).
About ZIP Code 99350

ZIP code 99350 is located in Prosser, Washington, within Benton County. With a population of 14,278, this is a lightly populated ZIP code with a relatively young community — the median age is 33.7 years. Economically, 99350 is a solidly middle-class ZIP code: the median household income of $74,393 is near the national average.

Real estate in ZIP code 99350 represents a mid-range housing market. The median home value of $289,100 is near the national average. Renters can expect to pay around $899 per month in median rent. Homeownership is strong here — 63.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 37% since 2019.

The population of 99350 is racially diverse, with White as the largest group at 49.6%. Residents are moderately educated — 35.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 12.0%. Household income has grown by 28% since 2019.

The unemployment rate in 99350 stands at 7.6%, which is significantly above the national average. As in most parts of the country, driving alone is the dominant commute mode at 69%.

Overall, ZIP code 99350 in Prosser, WA is characterized as solidly middle-class, moderately educated, a relatively young community, and predominantly owner-occupied. With 14,278 residents, a median household income of $74,393, and a median home value of $289,100, it offers a clear picture of life in this part of Washington.