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Texas ZIP Codes
Harris County
Katy, TX
77450
77450 ZIP Code — Katy, TX
Harris County, Texas
ZIP code 77450 is located in
Katy ,
Texas ,
within Harris County .
It covers approximately 19.68 square miles and serves a population of
72,651 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 281/832/346 .
About ZIP code 77450
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 $318,400. Owner-occupancy sits near the national average at 70%.
The gap between median ($103,245) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% 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 31 minutes is near the national average.
Educational attainment is high — 53% of residents hold a bachelor's degree or higher, well above the national average of 33%.
77450 ZIP code map
View map of 77450
Cities in ZIP code 77450
Below are the cities the US Postal Service accepts for ZIP code 77450. Using any city not on this list may result in mail delivery delays.
City
Status
Katy
Acceptable
Katy
Preferred
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
72,651
Population density
3,692 / sq mi
State FIPS
48
County FIPS
201
Geography
Land area
19.68 sq mi
Water area
0.36 sq mi
Latitude
29.7437
Longitude
-95.7318
Timezone
Central (CT)
Area code
281/832/346
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.4%
40.0%
39.5%
$50k – $100k
29.5%
29.5%
30.1%
$100k – $200k
30.8%
21.5%
22.6%
Over $200k
16.3%
9.0%
7.8%
Demographics & statistics
$103,245
Median household income
$318,400
Median home value
$1,641
Median monthly rent
53.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 20,323 28.0%
18 and over 52,328 72.0%
65 and over 8,923 12.3%
Median age 37.5 years
Race & ethnicity
Black or African American
6%
American Indian / Alaska Native
0.3%
Group Count %
White 47,223 58.3%
Asian 8,644 10.7%
Hispanic or Latino 8,374 10.3%
Two or more races 7,648 9.4%
Black or African American 4,867 6%
Other race 4,042 5%
American Indian / Alaska Native 216 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.4%
40.0%
39.5%
$50k – $100k
29.5%
29.5%
30.1%
$100k – $200k
30.8%
21.5%
22.6%
Over $200k
16.3%
9.0%
7.8%
Range % of households
Under $10k 1.8%
$10k–$15k 1.3%
$15k–$25k 3.6%
$25k–$35k 5.5%
$35k–$50k 9.1%
$50k–$75k 14.1%
$75k–$100k 13.0%
$100k–$150k 22.9%
$150k–$200k 10.2%
$200k+ 18.5%
Median income $103,245
Housing
Housing overview
Metric Value
Median home value $318,400
Median rent / month $1,641
Owner occupied 69.7%
Renter occupied 30.3%
Vacant 4.4%
Single-family detached 75.6%
Large apartment buildings 12.8%
Mobile homes 0.4%
Median rooms 7.0
Avg household size (owned) 2.96
Year built
Era %
2020 or later 0.1%
2010–2019 7.2%
2000–2009 27.7%
1990–1999 26.4%
1980–1989 18.2%
1970–1979 18.7%
1960–1969 0.7%
1950–1959 0.2%
1940–1949 0.4%
1939 or earlier 0.4%
Bedrooms
Size % of units
No bedroom (studio) 1.4%
1 bedroom 9.9%
2 bedrooms 13.0%
3 bedrooms 26.3%
4 bedrooms 37.9%
5+ bedrooms 11.5%
Vehicles per household
Vehicles % of households
No vehicle 2.4%
1 vehicle 26.5%
2 vehicles 45.9%
3 or more 25.2%
Heating fuel
Fuel type %
Utility gas 59.5%
Electricity 39.1%
Propane / LP gas 0.9%
No fuel used 0.4%
Households & families
Household type Count %
Married-couple family 16,165 64.8%
Cohabiting couple 1,147 4.6%
Male householder, no spouse 2,826 11.3%
Female householder, no spouse 4,793 19.2%
Households with children under 18 11,077 44.4%
Households with seniors (65+) 6,478 26.0%
Average household size 2.91
Marital status
Status Male Female
Never married 28.7% 26.2%
Married 62.7% 59.1%
Separated 1.1% 1.8%
Widowed 1.8% 4.8%
Divorced 5.7% 8.1%
Education
Some college, no degree
19.4%
Graduate / professional
19.5%
Metric %
HS diploma or higher 94.5%
Bachelor's or higher 53.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 1,231 5.7%
Kindergarten 1,099 5.1%
Elementary school 9,218 42.9%
High school 5,566 25.9%
College / grad school 4,379 20.4%
Employment
Industry of employment
Education & healthcare
21.3%
Professional & management
15.9%
Arts, food & hospitality
8.4%
Finance & real estate
7.5%
Transportation & utilities
6.4%
Agriculture & mining
4.0%
Public administration
2.0%
Occupation
Category %
Management, business & arts 52.9%
Service 11.4%
Sales & office 22.7%
Natural resources & construction 5.1%
Production & transportation 8.0%
Employment type
Type %
Private sector 81.9%
Government 11.6%
Self-employed 6.3%
Unpaid family workers 0.3%
Commute
Method %
Drive alone 76.1%
Carpool 7.5%
Public transit 0.9%
Walk 0.9%
Work from home 13.5%
Other means 1.1%
Avg commute (minutes) 30.7
Poverty
Married-couple families
4.2%
Female-led households
11.6%
Income support
Source % of households
Social Security 20.8%
Retirement income 16.1%
Supplemental Security 2.3%
Cash public assistance 2.0%
Food stamps / SNAP 3.2%
Health indicators
Condition %
Obesity 30.7%
High blood pressure 28.0%
High cholesterol 34.4%
Diabetes 8.5%
Heart disease 4.1%
Stroke 1.9%
Asthma 7.9%
Arthritis 16.9%
Kidney disease 2.0%
Pulmonary disease 4.1%
Cancer 5.0%
Behavior / access %
Smoking 12.7%
Binge drinking 20.1%
No physical activity 18.5%
Less than 7 hrs sleep 31.1%
Depression 18.9%
Fair or poor health 10.4%
Poor mental health 13.1%
Poor physical health 7.9%
No health insurance 18.3%
Visited doctor (checkup) 69.9%
Visited dentist 65.8%
Cholesterol screening 91.2%
Teeth loss 8.3%
Veterans & disability
Veterans Count %
Civilian veterans 2,197 4.2%
Disability %
Any disability 8.5%
Under 18 3.3%
18–64 years 7.4%
65 and over 26.0%
Health insurance coverage
Type %
Private insurance 74.5%
Public insurance 19.8%
No insurance 12.7%
Uninsured under 19 13.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 68,168 93.8%
Spanish 7,848 11.5%
Other Indo-European 3,482 5.1%
Asian & Pacific Islander 1,797 2.6%
Other languages 2,321 3.4%
Place of birth & citizenship
Origin Count %
Native born (US) 53,425 73.5%
Born in same state 51,563 71.0%
Born in different state 32,505 44.7%
Foreign born 1,862 2.6%
Naturalized citizen 19,226 26.5%
Not a US citizen 8,608 44.8%
Ancestry
Ancestry Count %
French 5,835 8%
Italian 4,458 6.1%
Arab 3,069 4.2%
English 543 0.7%
Polish 524 0.7%
Ancestry Count %
German 425 0.6%
Irish 143 0.2%
Dutch 127 0.2%
Norwegian 28 0%
Technology access
Metric % of households
Computer access 34.3%
Internet access 98.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 77450
What part of Katy is ZIP code 77450?
ZIP code 77450 covers a portion of Katy, Texas, within Harris County.
What county is ZIP code 77450 in?
ZIP code 77450 falls within Harris County, Texas.
How educated is the population of ZIP code 77450?
53% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 77450?
The median home value in ZIP code 77450 is $318,400.
What is the median household income in ZIP code 77450?
The median household income in ZIP code 77450 is $103,245, above the national median of ~$75,000.
What is the population of ZIP code 77450?
ZIP code 77450 has an estimated population of 72,651 residents, with a density of 3,692 people per square mile.
What timezone is ZIP code 77450 in?
ZIP code 77450 observes the CST timezone.
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