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Texas ZIP Codes
Harris County
Tomball, TX
77377
77377 ZIP Code — Tomball, TX
Harris County, Texas
ZIP code 77377 is located in
Tomball ,
Texas ,
within Harris County .
It covers approximately 35.24 square miles and serves a population of
38,188 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 346/832 .
About ZIP code 77377
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $330,300. Owner-occupancy is high at 83%, well above the national average.
The gap between median ($114,943) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.
Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.
77377 ZIP code map
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Cities in ZIP code 77377
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
38,188
Population density
1,084 / sq mi
State FIPS
48
County FIPS
201
Geography
Land area
35.24 sq mi
Water area
0.31 sq mi
Latitude
30.0579
Longitude
-95.6826
Timezone
Central (CT)
Area code
346/832
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.6%
40.0%
39.5%
$50k – $100k
24.1%
29.5%
30.1%
$100k – $200k
37.7%
21.5%
22.6%
Over $200k
14.6%
9.0%
7.8%
Demographics & statistics
$114,943
Median household income
$330,300
Median home value
$1,560
Median monthly rent
42.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 9,772 25.6%
18 and over 28,416 74.4%
65 and over 5,621 14.7%
Median age 38.9 years
Race & ethnicity
Black or African American
4.5%
American Indian / Alaska Native
0.2%
Group Count %
White 27,529 64.8%
Hispanic or Latino 4,275 10.1%
Asian 3,714 8.7%
Two or more races 3,320 7.8%
Black or African American 1,922 4.5%
Other race 1,639 3.9%
American Indian / Alaska Native 64 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.6%
40.0%
39.5%
$50k – $100k
24.1%
29.5%
30.1%
$100k – $200k
37.7%
21.5%
22.6%
Over $200k
14.6%
9.0%
7.8%
Range % of households
Under $10k 2.4%
$10k–$15k 2.8%
$15k–$25k 2.4%
$25k–$35k 3.4%
$35k–$50k 6.2%
$50k–$75k 14.0%
$75k–$100k 12.0%
$100k–$150k 20.2%
$150k–$200k 14.0%
$200k+ 22.5%
Median income $114,943
Housing
Housing overview
Metric Value
Median home value $330,300
Median rent / month $1,560
Owner occupied 82.6%
Renter occupied 17.4%
Vacant 4.2%
Single-family detached 82.4%
Large apartment buildings 4.6%
Mobile homes 5.0%
Median rooms 7.2
Avg household size (owned) 3.14
Year built
Era %
2020 or later 1.2%
2010–2019 22.3%
2000–2009 33.7%
1990–1999 17.7%
1980–1989 15.1%
1970–1979 6.8%
1960–1969 0.8%
1950–1959 1.6%
1940–1949 0.1%
1939 or earlier 0.7%
Bedrooms
Size % of units
No bedroom (studio) 0.6%
1 bedroom 6.4%
2 bedrooms 7.4%
3 bedrooms 36.7%
4 bedrooms 40.5%
5+ bedrooms 8.4%
Vehicles per household
Vehicles % of households
No vehicle 1.4%
1 vehicle 20.2%
2 vehicles 48.4%
3 or more 30.0%
Heating fuel
Fuel type %
Utility gas 62.7%
Electricity 33.2%
Propane / LP gas 3.6%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 8,525 66.9%
Cohabiting couple 660 5.2%
Male householder, no spouse 1,386 10.9%
Female householder, no spouse 2,177 17.1%
Households with children under 18 5,245 41.1%
Households with seniors (65+) 3,704 29.1%
Average household size 2.99
Marital status
Status Male Female
Never married 30.0% 24.9%
Married 61.5% 59.9%
Separated 0.1% 0.7%
Widowed 1.2% 5.5%
Divorced 7.1% 9.0%
Education
Some college, no degree
21.5%
Graduate / professional
16.3%
Metric %
HS diploma or higher 94.0%
Bachelor's or higher 42.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 879 8.1%
Kindergarten 576 5.3%
Elementary school 4,396 40.3%
High school 2,669 24.5%
College / grad school 2,390 21.9%
Employment
Industry of employment
Education & healthcare
19.3%
Professional & management
15.8%
Finance & real estate
7.1%
Transportation & utilities
4.6%
Agriculture & mining
4.5%
Arts, food & hospitality
4.0%
Public administration
2.0%
Occupation
Category %
Management, business & arts 51.1%
Service 12.5%
Sales & office 19.8%
Natural resources & construction 9.6%
Production & transportation 7.1%
Employment type
Type %
Private sector 82.8%
Government 9.7%
Self-employed 7.3%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 75.3%
Carpool 6.5%
Public transit 0.8%
Walk 0.6%
Work from home 15.5%
Other means 1.3%
Avg commute (minutes) 32.2
Poverty
Married-couple families
3.7%
Female-led households
12.0%
Income support
Source % of households
Social Security 27.3%
Retirement income 21.6%
Supplemental Security 3.9%
Cash public assistance 1.9%
Food stamps / SNAP 3.4%
Health indicators
Condition %
Obesity 32.1%
High blood pressure 27.8%
High cholesterol 34.5%
Diabetes 8.4%
Heart disease 4.4%
Stroke 2.0%
Asthma 8.0%
Arthritis 17.4%
Kidney disease 2.1%
Pulmonary disease 4.6%
Cancer 5.2%
Behavior / access %
Smoking 13.6%
Binge drinking 21.6%
No physical activity 19.3%
Less than 7 hrs sleep 30.0%
Depression 19.7%
Fair or poor health 10.8%
Poor mental health 13.5%
Poor physical health 8.3%
No health insurance 19.4%
Visited doctor (checkup) 69.9%
Visited dentist 63.9%
Cholesterol screening 90.8%
Teeth loss 9.3%
Veterans & disability
Veterans Count %
Civilian veterans 2,021 7.1%
Disability %
Any disability 8.2%
Under 18 2.8%
18–64 years 5.6%
65 and over 28.2%
Health insurance coverage
Type %
Private insurance 76.8%
Public insurance 24.2%
No insurance 8.2%
Uninsured under 19 6.2%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 36,270 95.0%
Spanish 3,560 9.8%
Other Indo-European 2,245 6.2%
Asian & Pacific Islander 173 0.5%
Other languages 1,142 3.1%
Place of birth & citizenship
Origin Count %
Native born (US) 32,501 85.1%
Born in same state 31,918 83.6%
Born in different state 20,332 53.2%
Foreign born 583 1.5%
Naturalized citizen 5,687 14.9%
Not a US citizen 2,039 35.9%
Ancestry
Ancestry Count %
French 4,148 10.9%
Italian 2,682 7%
Arab 1,518 4%
Polish 1,317 3.4%
German 173 0.5%
Ancestry Count %
English 109 0.3%
Dutch 65 0.2%
Irish 40 0.1%
Norwegian 17 0%
Technology access
Metric % of households
Computer access 33.4%
Internet access 99.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 77377
What city is ZIP code 77377 in?
ZIP code 77377 is primarily assigned to Tomball, Texas.
What county is ZIP code 77377 in?
ZIP code 77377 falls within Harris County, Texas.
Is ZIP code 77377 mostly owner-occupied?
83% of occupied units in ZIP code 77377 are owner-occupied, well above the national average.
What is the median household income in ZIP code 77377?
The median household income in ZIP code 77377 is $114,943, above the national median of ~$75,000.
What is the typical home value in ZIP code 77377?
The median home value in ZIP code 77377 is $330,300.
What is the population of ZIP code 77377?
ZIP code 77377 has an estimated population of 38,188 residents, with a density of 1,084 people per square mile.
What timezone is ZIP code 77377 in?
ZIP code 77377 observes the CST timezone.
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