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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

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 2020 Census Demographics

Current Population:58,453
2020 Population:57,503
Households per ZIP Code:19,920
Average House Value:$346,200
Avg. Income Per Household:$112,020
Persons Per Household:2.87
White Population:35,301
Black Population:3,043
Hispanic Population:11,798
Asian Population:7,310
American Indian Population:320
Hawaiian Population:36
Other Population:3,377
Male Population:28,432
Female Population:29,071
Median Age:38.10 years
Male Median Age:37.30 years
Female Median Age:38.80 years

ZIP Code 78681 Other Demographics

# Residential Mailboxes:20,367
# Business Mailboxes:1,101
Total Delivery Receptacles:20,777
Number of Businesses:1329
1st Quarter Payroll:$221,478,000
Annual Payroll:$987,328,000
# of Employees:16,585
Water Area:0.14 sq mi
Land Area:23.189 sq mi
118th Congressional District:10|17|31
118th Congressional Land Area:5070.95|7651.16|2154.49 sq mi
Single Family Delivery Units:4,008
Multi Family Delivery Units:2,679
# Residential Mailboxes:20,367
# Business Mailboxes:1,101
Total Delivery Receptacles:20,777

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: 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],