Prosser, WA · standard
ZIP Code 99350
Benton County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 12,979
- 9/sq mi Low-density area
- $81,014
- Median income Near-median income area
- $338,500
- Median home value Above-median home value
- 21.5%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Prosser pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 37%
- household income, US ZIPs
- Top 28%
- home value, US ZIPs
- 9
- people per sq mi
- 64%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99350 against every reporting US ZIP.
ZIP code 99350 is a mid-sized community (a standard USPS delivery area) in Prosser, Benton County, Washington, home to 12,979 residents across 1474.9 square miles, a density of 9 people per square mile, in the Los Angeles time zone.
ZIP 99350 lands in the middle-income range, with a median household income of $81,014 (11% below the average Washington ZIP), while per-capita income is $29,262. The poverty rate is 12.4%, with unemployment at 8.2%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $338,500 (34% below the average Washington ZIP), and median rent is $983; owner occupancy is 63.7%.
Educational attainment sits below the national norm: 21.5% of adults hold a bachelor's degree or higher, the median age is 32.9, and the average commute is 22 minutes. No nearby ZIP peer set is available for this delivery area, so the Washington and national benchmarks above are the appropriate context for 99350.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 99350
Top 5 sectors by establishment count in Prosser, WA
Which industries have the most business establishments in ZIP 99350.
- Accommodation and food services
Accommodation and food services
34 establishments
- Retail trade
Retail trade
32 establishments
- Other services (except public administration)
Other services (except public administration)
29 establishments
- Manufacturing
Manufacturing
28 establishments
- Construction
Construction
27 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 99350, Prosser, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
12,979
Population
1474.9
Area (sq mi)
9
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99350?
32.9
Median Age
51.2%
Male
48.8%
Female
15.8%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$81,014
Median Household Income
-11% vs state ZIP avg
$29,262
Per Capita Income
12.4%
Poverty Rate
8.2%
Unemployment Rate
22.4 min
Mean Commute Time
How ZIP 99350 ranks among Washington ZIPs
Prosser, WA household income vs. every Washington ZIP code
Median household income among 547 reporting Washington ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$81,014 46th percentile higher than 46% of 547 Washington ZIPs
Each bar is a $20K-wide band; taller bars hold more Washington ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
5,059housing units
5,059
Total Housing Units
4,676
Occupied Units
383
Vacant Units
3.06
Avg Household Size
Occupancy Type
$338,500
Median Home Value
-34% vs state ZIP avg
$983
Median Rent
1986
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-0.3%
YoY Change (2024)
314
HPI Index (2000 = 100)
+214%
Total Change Since 2000
Home values in ZIP 99350 have decreased 0.3% over the past year (2024). Since 2000, this ZIP has seen +214% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.5% | 227 |
| 2021 | +14.7% | 260 |
| 2022 | +14.8% | 298 |
| 2023 | +5.7% | 315 |
| 2024 | -0.3% | 314 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 266 business establishments in ZIP 99350, employing approximately 3,100 people with a combined annual payroll of $177,912,000.
266
Businesses
3,100
Employees
$177.9M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 34 | 12.8% |
| Retail trade | 32 | 12.0% |
| Other services (except public administration) | 29 | 10.9% |
| Manufacturing | 28 | 10.5% |
| Construction | 27 | 10.2% |
| Health care and social assistance | 26 | 9.8% |
| Transportation and warehousing | 15 | 5.6% |
| Professional, scientific, and technical services | 14 | 5.3% |
| Administrative and support and waste management and remediation services | 14 | 5.3% |
| Real estate and rental and leasing | 13 | 4.9% |
| Wholesale trade | 10 | 3.8% |
| Finance and insurance | 10 | 3.8% |
| Arts, entertainment, and recreation | 5 | 1.9% |
| Agriculture, forestry, fishing and hunting | 4 | 1.5% |
| Information | 3 | 1.1% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99350, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (12,979 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Benton County
Related Areas
Frequently Asked Questions
What county is ZIP code 99350 in?
ZIP code 99350 (Prosser) is located in Benton County, Washington. Benton County contains multiple ZIP codes, see the full list at /counties/benton-wa.
What is the population of ZIP code 99350?
ZIP code 99350 in Prosser, WA has a population of 12,979 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99350?
The median household income in ZIP 99350 is $81,014, which is 6% above the national average of $76,288.
What is the average home value in ZIP 99350?
The median home value in ZIP 99350 is $338,500, which is 22% above the national average of $278,155.
What is the demographic makeup of ZIP 99350?
The largest racial group in ZIP 99350 is White at 54.6%. Hispanic or Latino residents make up 49.7% of the population.
How many businesses are in ZIP code 99350?
ZIP code 99350 has 266 business establishments employing approximately 3,100 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 99350?
The top industries by establishment count in ZIP 99350 are: Accommodation and food services (34), Retail trade (32), Other services (except public administration) (29). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 99350?
According to the FHFA House Price Index, home values in ZIP 99350 decreased by 0.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 214%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 99350?
In ZIP code 99350, 50.8% of residents aged 25+ have a high school diploma or higher, and 21.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 99350?
The mean commute time for workers in ZIP code 99350 is 22.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 99350?
In ZIP code 99350, approximately 63.7% of occupied housing units are owner-occupied and 36.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99350?
The poverty rate in ZIP code 99350 is 12.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
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- See how ZIP 99350 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.