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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 99320, Benton City, WA

ZIP Code 99320 Details

Zip Code:99320
City:Benton City
State:WA [Washington]
Counties:BENTON, WA
Multi County:No
City Alias(es):Benton City
City Alias(es) To Avoid Using:Kiona
Area Code:509
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:719 ft
State FIPS:53
County FIPS:005
Intro Date:<2004-10

ZIP Code 99320 2020 Census Demographics

Current Population:9,888
2020 Population:10,215
Households per ZIP Code:3,743
Average House Value:$233,300
Avg. Income Per Household:$70,889
Persons Per Household:2.73
White Population:7,412
Black Population:44
Hispanic Population:2,501
Asian Population:81
American Indian Population:123
Hawaiian Population:13
Other Population:1,429
Male Population:5,198
Female Population:5,017
Median Age:39.60 years
Male Median Age:39.20 years
Female Median Age:40.00 years

ZIP Code 99320 Other Demographics

# Residential Mailboxes:3,622
# Business Mailboxes:65
Total Delivery Receptacles:4,545
Number of Businesses:127
1st Quarter Payroll:$6,968,000
Annual Payroll:$33,526,000
# of Employees:761
Water Area:1.165 sq mi
Land Area:209.307 sq mi
118th Congressional District:04
118th Congressional Land Area:19250.22 sq mi
Single Family Delivery Units:2,816
Multi Family Delivery Units:0
# Residential Mailboxes:3,622
# Business Mailboxes:65
Total Delivery Receptacles:4,545

ZIP Code 99320 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 2,090 2,100 +10
Retired Workers: 1,425 1,450 +25
Disabled Workers: 350 340 -10
Widow(er)s and Parents: 110 115 +5
Spouses: 80 85 +5
Children: 125 110 -15
65+: 1,495 1,535 +40
Monthly Benefits - All: $2,985,000 $3,099,000 +$114,000
Monthly Benefits - Retired Workers: $2,226,000 $2,332,000 +$106,000
Monthly Benefits - Widow(ers): $165,000 $169,000 +$4,000

ZIP Code 99320 Statistical Areas

CBSA: 28420
CBSA Name: Kennewick-Richland, WA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA: 6740
MSA Name: Richland-Kennewick-Pasco, WA MSA
PMSA Name: 
City State Key:Z16499
Preferred Last Line Key:Z16499
99302: Previous ZIP Code
Next ZIP Code: 99321


  1. U.S. Postal Service [Last Updated: 6/1/2023],
  2. Internal Data Creation [Last Updated: 6/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 6/1/2023],
  6. U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],