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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

Zip Code 78631, Harper, TX

ZIP Code 78631 Details

Zip Code:78631
State:TX [Texas]
Multi County:Yes
City Alias(es):Harper
City Alias(es) To Avoid Using:Knoxville
Area Code:830
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:2036 ft
State FIPS:48
County FIPS:171
Division:West South Central
Intro Date:<2004-10

ZIP Code 78631 2020 Census Demographics

Current Population:2,707
2020 Population:2,698
Households per ZIP Code:1,117
Average House Value:$233,800
Avg. Income Per Household:$62,813
Persons Per Household:2.42
White Population:2,363
Black Population:12
Hispanic Population:354
Asian Population:3
American Indian Population:13
Hawaiian Population:2
Other Population:75
Male Population:1,323
Female Population:1,375
Median Age:52.70 years
Male Median Age:50.80 years
Female Median Age:53.80 years

ZIP Code 78631 Other Demographics

# Residential Mailboxes:1,119
# Business Mailboxes:14
Total Delivery Receptacles:1,578
Number of Businesses:49
1st Quarter Payroll:$1,194,000
Annual Payroll:$6,042,000
# of Employees:162
Water Area:0.168 sq mi
Land Area:299.767 sq mi
118th Congressional District:11|21
118th Congressional Land Area:27832.17|5920.89 sq mi
Single Family Delivery Units:800
Multi Family Delivery Units:0
# Residential Mailboxes:1,119
# Business Mailboxes:14
Total Delivery Receptacles:1,578

ZIP Code 78631 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 790 810 +20
Retired Workers: 590 620 +30
Disabled Workers: 80 75 -5
Widow(er)s and Parents: 45 45 0
Spouses: 30 30 0
Children: 45 40 -5
65+: 630 650 +20
Monthly Benefits - All: $1,064,000 $1,133,000 +$69,000
Monthly Benefits - Retired Workers: $840,000 $920,000 +$80,000
Monthly Benefits - Widow(ers): $62,000 $59,000 ($3,000)

ZIP Code 78631 Statistical Areas

CBSA: 23240
CBSA Name: Fredericksburg, TX
CBSA Type: Micro
CBSA Division: 
CBSA Division Name: 
CBSA Population:24,837
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:W24035
Preferred Last Line Key:W24035
78630: Previous ZIP Code
Next ZIP Code: 78632


  1. U.S. Postal Service [Last Updated: 5/1/2023],
  2. Internal Data Creation [Last Updated: 5/1/2023],
  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: 5/1/2023],
  6. U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],