PlainZIP

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
$90,102
Median income
$373,500
Median home value
18.0%
Bachelor's or higher

The verdict

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.

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 Washington average), while per-capita income is $39,599. Local economic indicators show a 10.2% poverty rate alongside 5.2% unemployment. Median home value sits at $373,500 (27% below the state average), median rent at $881 a month, and owner-occupancy at 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. A geography-based comparison follows: 1 ZIP codes within about 10 miles of 99320, plus 6 more within Benton County, give a clearer read than the national average alone.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 99320?

36.4

Median Age

51.6%

Male

48.4%

Female

7.5%

Foreign-Born

White 74.0%
African American 0.0%
Asian 1.0%
American Indian or Alaska Native 2.0%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 15.3%
Hispanic or Latino 22.9%

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

$39,599

Per Capita Income

10.2%

Poverty Rate

5.2%

Unemployment Rate

31.1 min

Mean Commute Time

How ZIP 99320 ranks nationally

Benton City, WA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$90,102 Top 27% higher than 73% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 51.5%
Bachelor's Degree or Higher 18.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

3,794

Total Housing Units

3,495

Occupied Units

299

Vacant Units

2.81

Avg Household Size

Occupancy Type

Owner 85.3%
Renter 14.7%

$373,500

Median Home Value

-27% vs state

$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

More ZIP Codes in Benton County

99336 standard
Kennewick, WA
Pop: 48,753
99337 standard
Kennewick, WA
Pop: 29,845
99352 standard
Richland, WA
Pop: 26,975
99354 standard
Richland, WA
Pop: 21,343
99353 standard
West Richland, WA
Pop: 13,306
99350 standard
Prosser, WA
Pop: 12,979

Related Areas

Benton County Benton City, WA Washington

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.

Read our methodology to see how this data is sourced, computed, and verified.