Zip Code Database List
1-800-425-1169
Zip-Codes.com
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.






ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 78665, Round Rock, TX



ZIP Code 78665 Details

Zip Code:78665
City:Round Rock
State:TX [Texas]
Counties:WILLIAMSON, TX
Multi County:No
City Alias(es):Round Rock
Area Code:512 / 737
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Latitude:30.540216
Longitude:-97.646981
Elevation:729 ft
State FIPS:48
County FIPS:491
Region:South
Division:West South Central
Intro Date:2007-06

ZIP Code 78665 2010 Census Demographics

Current Population:74,106
2010 Population:35,985
Households per ZIP Code:12,056
Average House Value:$324,000
Avg. Income Per Household:$105,407
Persons Per Household:2.98
White Population:26,751
Black Population:4,296
Hispanic Population:8,619
Asian Population:3,238
American Indian Population:413
Hawaiian Population:120
Other Population:2,711
Male Population:17,620
Female Population:18,365
Median Age:31.70 years
Male Median Age:31.30 years
Female Median Age:32.00 years

ZIP Code 78665 Other Demographics

# Residential Mailboxes:24,868
# Business Mailboxes:761
Total Delivery Receptacles:38,137
Number of Businesses:766
1st Quarter Payroll:$152,228,000
Annual Payroll:$638,210,000
# of Employees:11,934
Water Area:0.362 sq mi
Land Area:24.077 sq mi
118th Congressional District:17|31
118th Congressional Land Area:7651.16|2154.49 sq mi
Single Family Delivery Units:467
Multi Family Delivery Units:4,708
# Residential Mailboxes:24,868
# Business Mailboxes:761
Total Delivery Receptacles:38,137

ZIP Code 78665 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 5,170 5,755 +585
Retired Workers: 3,520 4,030 +510
Disabled Workers: 625 635 +10
Widow(er)s and Parents: 310 325 +15
Spouses: 225 270 +45
Children: 490 495 +5
65+: 3,785 4,370 +585
Monthly Benefits - All: $7,460,000 $8,553,000 +$1,093,000
Monthly Benefits - Retired Workers: $5,548,000 $6,519,000 +$971,000
Monthly Benefits - Widow(ers): $458,000 $507,000 +$49,000

ZIP Code 78665 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: 
PMSA Name: 
City State Key:W25448
Preferred Last Line Key:W25448
78664: Previous ZIP Code
Next ZIP Code: 78666

References

  1. U.S. Postal Service [Last Updated: 3/1/2023], https://www.usps.com
  2. ZIP-Codes.com Internal Data Creation [Last Updated: 3/1/2023], https://www.zip-codes.com
  3. U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
  4. U.S. Census [Updated Yearly], https://www.census.gov
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 3/1/2023], https://www.census.gov
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov
  7. Centers for Medicare & Medicaid Services [Updated Yearly], https://www.cms.gov/