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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 77378, Willis, TX

ZIP Code 77378 Details

Zip Code:77378
State:TX [Texas]
Multi County:Yes
City Alias(es):Willis
Area Code:936
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:313 ft
State FIPS:48
County FIPS:339
Division:West South Central
Intro Date:<2004-10

ZIP Code 77378 2010 Census Demographics

Current Population:20,792
2010 Population:14,685
Households per ZIP Code:4,748
Average House Value:$150,900
Avg. Income Per Household:$63,395
Persons Per Household:3.06
White Population:10,881
Black Population:1,405
Hispanic Population:4,593
Asian Population:83
American Indian Population:233
Hawaiian Population:37
Other Population:2,474
Male Population:7,403
Female Population:7,282
Median Age:32.00 years
Male Median Age:30.60 years
Female Median Age:33.40 years

ZIP Code 77378 Other Demographics

# Residential Mailboxes:6,795
# Business Mailboxes:273
Total Delivery Receptacles:16,670
Number of Businesses:222
1st Quarter Payroll:$27,501,000
Annual Payroll:$113,825,000
# of Employees:2,647
Water Area:0.497 sq mi
Land Area:89.107 sq mi
118th Congressional District:08
118th Congressional Land Area:6053.76 sq mi
Single Family Delivery Units:5,312
Multi Family Delivery Units:0
# Residential Mailboxes:6,795
# Business Mailboxes:273
Total Delivery Receptacles:16,670

ZIP Code 77378 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 3,030 3,130 +100
Retired Workers: 1,925 2,020 +95
Disabled Workers: 495 485 -10
Widow(er)s and Parents: 235 240 +5
Spouses: 145 145 0
Children: 230 240 +10
65+: 2,085 2,180 +95
Monthly Benefits - All: $3,925,000 $4,174,000 +$249,000
Monthly Benefits - Retired Workers: $2,760,000 $2,982,000 +$222,000
Monthly Benefits - Widow(ers): $306,000 $313,000 +$7,000

ZIP Code 77378 Statistical Areas

CBSA: 26420
CBSA Name: Houston-The Woodlands-Sugar Land, TX
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:5,946,800
CBSA Division Population:0
MSA: 3362
MSA Name: Houston-Galveston-Brazoria, TX CMSA
PMSA: 3360
PMSA Name: Houston, TX PMSA
City State Key:W26342
Preferred Last Line Key:W26342
77377: Previous ZIP Code
Next ZIP Code: 77379


  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],