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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 78681, Round Rock, TX

ZIP Code 78681 Details

Zip Code:78681
City:Round Rock
State:TX [Texas]
Multi County:No
City Alias(es):Round Rock
Area Code:512
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:807 ft
State FIPS:48
County FIPS:491
Division:West South Central
Intro Date:<2004-10

ZIP Code 78681 2010 Census Demographics

Current Population:59,191
2010 Population:50,606
Households per ZIP Code:17,220
Average House Value:$320,200
Avg. Income Per Household:$109,246
Persons Per Household:2.93
White Population:40,866
Black Population:2,980
Hispanic Population:9,534
Asian Population:4,481
American Indian Population:629
Hawaiian Population:137
Other Population:3,095
Male Population:25,057
Female Population:25,549
Median Age:34.90 years
Male Median Age:34.30 years
Female Median Age:35.50 years

ZIP Code 78681 Other Demographics

# Residential Mailboxes:20,202
# Business Mailboxes:1,118
Total Delivery Receptacles:20,631
Number of Businesses:1234
1st Quarter Payroll:$210,648,000
Annual Payroll:$917,888,000
# of Employees:17,571
Water Area:0.152 sq mi
Land Area:21.786 sq mi
113th Congressional District:31
113th Congressional Land Area:2154.49 sq mi
Single Family Delivery Units:4,004
Multi Family Delivery Units:2,673
# Residential Mailboxes:20,202
# Business Mailboxes:1,118
Total Delivery Receptacles:20,631

ZIP Code 78681 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 6,140 6,350 +210
Retired Workers: 4,510 4,705 +195
Disabled Workers: 495 495 0
Widow(er)s and Parents: 385 380 -5
Spouses: 335 335 0
Children: 415 435 +20
65+: 4,945 5,180 +235
Monthly Benefits - All: $9,260,000 $9,872,000 +$612,000
Monthly Benefits - Retired Workers: $7,308,000 $7,874,000 +$566,000
Monthly Benefits - Widow(ers): $594,000 $602,000 +$8,000

ZIP Code 78681 Statistical Areas

CBSA: 12420
CBSA Name: Austin-Round Rock-Georgetown, TX
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:1,716,289
CBSA Division Population:0
MSA: 0640
MSA Name: Austin-San Marcos, TX MSA
PMSA Name: 
City State Key:W25448
Preferred Last Line Key:W25448
78680: Previous ZIP Code
Next ZIP Code: 78682


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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: 5/1/2022],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],