Benton City, WA · standard
ZIP Code 99320
Benton County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 9,201
- 26/sq mi Moderate-density area
- $90,102
- Median income Above-median income area
- $373,500
- Median home value Above-median home value
- 18.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Benton City pairs an above-median household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 27%
- household income, US ZIPs
- Top 23%
- home value, US ZIPs
- 26
- people per sq mi
- 85%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99320 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 99320 (Benton City, WA) fell -3.6% from 2023 to 2024. The all-transactions index moved from 391.6 in 2023 to 377.4 in 2024 (2000 = 100).
ZIP code 99320 is a mid-sized community (a standard USPS delivery area) in Benton City, Benton County, Washington, home to 9,201 residents across 359.4 square miles, a density of 26 people per square mile, in the Los Angeles time zone.
ZIP 99320 lands in the middle-income range, with a median household income of $90,102 (1% below the average Washington ZIP), while per-capita income is $39,599. The poverty rate is 10.2%, with unemployment at 5.2%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $373,500 (27% below the average Washington ZIP), and median rent is $881; owner occupancy is 85.3%.
Educational attainment sits below the national norm: 18.0% of adults hold a bachelor's degree or higher, the median age is 36.4, and the average commute is 31 minutes. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Benton County, so 99320 can be compared with both its immediate and county-level context.
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 99320
Top 5 sectors by establishment count in Benton City, WA
Which industries have the most business establishments in ZIP 99320.
- Construction
Construction
51 establishments
- Manufacturing 17
Manufacturing
17 establishments
- Other services (except public administration) 12
Other services (except public administration)
12 establishments
- Retail trade 11
Retail trade
11 establishments
- Professional, scientific, and technical services 10
Professional, scientific, and technical services
10 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 99320, Benton City, 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
9,201
Population
359.4
Area (sq mi)
26
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99320?
36.4
Median Age
51.6%
Male
48.4%
Female
7.5%
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?
$90,102
Median Household Income
-1% vs state ZIP avg
$39,599
Per Capita Income
10.2%
Poverty Rate
5.2%
Unemployment Rate
31.1 min
Mean Commute Time
How ZIP 99320 ranks among Washington ZIPs
Benton City, 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)
$90,102 Top 43% higher than 57% 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
3,794housing units
3,794
Total Housing Units
3,495
Occupied Units
299
Vacant Units
2.81
Avg Household Size
Occupancy Type
$373,500
Median Home Value
-27% vs state ZIP avg
$881
Median Rent
1994
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
-3.6%
YoY Change (2024)
377
HPI Index (2000 = 100)
+277%
Total Change Since 2000
Home values in ZIP 99320 have decreased 3.6% over the past year (2024). Since 2000, this ZIP has seen +277% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +7.1% | 277 |
| 2021 | +14.3% | 316 |
| 2022 | +16.9% | 370 |
| 2023 | +5.8% | 392 |
| 2024 | -3.6% | 377 |
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 144 business establishments in ZIP 99320, employing approximately 877 people with a combined annual payroll of $38,997,000.
144
Businesses
877
Employees
$39.0M
Annual Payroll
11
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 51 | 35.4% |
| Manufacturing | 17 | 11.8% |
| Other services (except public administration) | 12 | 8.3% |
| Retail trade | 11 | 7.6% |
| Professional, scientific, and technical services | 10 | 6.9% |
| Real estate and rental and leasing | 8 | 5.6% |
| Administrative and support and waste management and remediation services | 8 | 5.6% |
| Wholesale trade | 6 | 4.2% |
| Health care and social assistance | 6 | 4.2% |
| Accommodation and food services | 6 | 4.2% |
| Arts, entertainment, and recreation | 4 | 2.8% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 99320 vs 99353 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 99353 | West Richland, WA | 13,306 | 6.3 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99320, 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 (9,201 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 99320 in?
ZIP code 99320 (Benton City) 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 99320?
ZIP code 99320 in Benton City, WA has a population of 9,201 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99320?
The median household income in ZIP 99320 is $90,102, which is 18% above the national average of $76,288.
What is the average home value in ZIP 99320?
The median home value in ZIP 99320 is $373,500, which is 34% above the national average of $278,155.
What is the demographic makeup of ZIP 99320?
The largest racial group in ZIP 99320 is White at 74.0%. Hispanic or Latino residents make up 22.9% of the population.
How many businesses are in ZIP code 99320?
ZIP code 99320 has 144 business establishments employing approximately 877 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 99320?
The top industries by establishment count in ZIP 99320 are: Construction (51), Manufacturing (17), Other services (except public administration) (12). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 99320?
According to the FHFA House Price Index, home values in ZIP 99320 decreased by 3.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 277%. 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 99320?
In ZIP code 99320, 51.5% of residents aged 25+ have a high school diploma or higher, and 18.0% 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 99320?
The mean commute time for workers in ZIP code 99320 is 31.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 99320?
In ZIP code 99320, approximately 85.3% of occupied housing units are owner-occupied and 14.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99320?
The poverty rate in ZIP code 99320 is 10.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 99320's numbers, next.
- See how ZIP 99320 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Benton City, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.