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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 37421, Chattanooga, TN

ZIP Code 37421 Details

Zip Code:37421
State:TN [Tennessee]
Multi County:No
City Alias(es):Chattanooga
Area Code:423
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:734 ft
State FIPS:47
County FIPS:065
Division:East South Central
Intro Date:<2004-10

ZIP Code 37421 2010 Census Demographics

Current Population:52,776
2010 Population:46,228
Households per ZIP Code:19,332
Average House Value:$226,500
Avg. Income Per Household:$68,982
Persons Per Household:2.31
White Population:34,376
Black Population:8,946
Hispanic Population:2,400
Asian Population:2,192
American Indian Population:345
Hawaiian Population:40
Other Population:1,233
Male Population:22,353
Female Population:23,875
Median Age:40.20 years
Male Median Age:38.40 years
Female Median Age:42.00 years

ZIP Code 37421 Other Demographics

# Residential Mailboxes:22,847
# Business Mailboxes:2,562
Total Delivery Receptacles:25,039
Number of Businesses:2007
1st Quarter Payroll:$436,253,000
Annual Payroll:$1,747,900,000
# of Employees:45,163
Water Area:0.005 sq mi
Land Area:31.703 sq mi
118th Congressional District:03
118th Congressional Land Area:4570.32 sq mi
Single Family Delivery Units:14,573
Multi Family Delivery Units:5,593
# Residential Mailboxes:22,847
# Business Mailboxes:2,562
Total Delivery Receptacles:25,039

ZIP Code 37421 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 10,160 10,415 +255
Retired Workers: 7,480 7,685 +205
Disabled Workers: 1,170 1,185 +15
Widow(er)s and Parents: 605 600 -5
Spouses: 345 355 +10
Children: 560 590 +30
65+: 7,945 8,225 +280
Monthly Benefits - All: $14,914,000 $15,740,000 +$826,000
Monthly Benefits - Retired Workers: $11,838,000 $12,513,000 +$675,000
Monthly Benefits - Widow(ers): $887,000 $916,000 +$29,000

ZIP Code 37421 Statistical Areas

CBSA: 16860
CBSA Name: Chattanooga, TN-GA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:528,143
CBSA Division Population:0
MSA: 1560
MSA Name: Chattanooga, TN-GA MSA
PMSA Name: 
City State Key:X25003
Preferred Last Line Key:X25003
37419: Previous ZIP Code
Next ZIP Code: 37422


  1. U.S. Postal Service [Last Updated: 3/1/2023],
  2. Internal Data Creation [Last Updated: 3/1/2023],
  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: 3/1/2023],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],