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    Zip Code 77450

    Katy, Texas — Harris County

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    📍 ZIP code 77450 is in Katy, Harris County, Texas.

    ZIP code 77450 is located in Katy, Harris County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 73,226. The area code for ZIP code 77450 is 713.

    Quick Answer

    Zip code 77450 is in Katy, Texas (Harris County). It has a population of 73,226, median household income of $105,607, and median home value of $342,000.

    Population

    73,226

    Income

    $105,607

    Home Value

    $342,000

    Climate

    94°F / 43°F

    About Zip Code 77450

    Zip code 77450 is located in Katy, Texas, within Harris County. Home to approximately 73,226 residents, this area sits at an elevation of 106 ft and falls within the Central (CST/CDT) timezone. The local area code is 713.

    The median household income is $105,607 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $342,000, and the cost of living index is 123 (23% above the national average of 100).

    Summers average a high of 94°F while winters drop to 43°F. The area receives about 51 in of rain annually. The zip code covers 20.4 square miles of land area and 0.4 square miles of water.

    Key Statistics

    Population

    73,226

    Median Income

    $105,607

    Median Home Value

    $342,000

    Timezone

    Central (CST/CDT)

    Area Code

    713

    Elevation

    106 ft

    Land Area

    20.4 sq mi

    Median Age

    37.6

    Housing Units

    26,259

    Compare With Nearby Zip Codes

    Metric774507709477494770827708377449
    CityKaty, TXHouston, TXKaty, TXHouston, TXHouston, TXKaty, TX
    Population73,22610,718137,21357,26974,843123,042
    Median Income$105,607$160,350$146,105$60,510$65,349$85,934
    Home Value$342,000$469,300$450,100$225,600$223,100$236,400
    Cost of Living123193167757790
    Median Age37.645.438.335.635.534.3

    Cost of Living

    Cost of Living Index123

    100 = National Average. Katy's cost of living is 23% above the national average.

    vs. State Avg

    Above

    Affordability

    Expensive

    Income-to-Home

    3.2x

    Demographics

    Zip code 77450 has a population of 73,226 people with a median age of 37.6. There are 26,259 housing units in this area.

    Racial & Ethnic Composition

    white53%
    black7%
    hispanic22%
    asian12%
    other6%

    Source: U.S. Census Bureau American Community Survey estimates.

    Population History

    Katy (77450) population trend from 2010 to 2024

    ↑ 81.1%
    2010201220142016201820202022202417k37k57k88k

    Source: U.S. Census Bureau estimates and American Community Survey data.

    Climate & Weather

    Summer High

    94°F

    Winter Low

    43°F

    Annual Rainfall

    51 in

    Annual Snowfall

    0 in

    Katy experiences hot summers with average highs around 94°F. Winters are mild with lows averaging 43°F. The area receives virtually no snowfall.

    Housing & Economy

    Median Home Value

    $342,000

    Median Household Income

    $105,607

    With 26,259 housing units across 20.4 square miles, 77450 has a housing density of 1,287 units per square mile. The home price-to-income ratio is 3.2x.

    Location & Geography

    Latitude

    29.7436°

    Longitude

    -95.7407°

    Land Area

    20.4 sq mi

    Water Area

    0.4 sq mi

    29.7436, -95.7407Open in Google Maps →

    Nearby Zip Codes

    Zip codes closest to 77450 (Katy, TX) with distances:

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    ZIP Codes with Similar Income Nationwide

    The five U.S. ZIP codes whose median household income is closest to 77450's $105,607. A way to compare Katy to economically similar communities elsewhere in the country.

    Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.

    ZIP Codes with Similar Demographics

    The five U.S. ZIP codes whose racial and ethnic composition most closely matches 77450 (Katy, TX). Similarity is measured by cosine distance on the five-category ACS demographic vector.

    Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.

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    People Also Ask

    What zip code is Katy, Texas?

    Katy, Texas uses zip code 77450 along with 3 other zip codes.

    What county is zip code 77450 in?

    Zip code 77450 is located in Harris County, Texas.

    What is the population of zip code 77450?

    The population of zip code 77450 is 73,226 with a median age of 37.6.

    Is 77450 in Katy, Texas?

    Yes, zip code 77450 is in Katy, Harris County, Texas. The area code is 713.

    Frequently Asked Questions

    What city is zip code 77450 in?

    Zip code 77450 is in Katy, Texas. It is part of Harris County and uses the Central (CST/CDT) timezone.

    What is zip code 77450?

    Zip code 77450 is a U.S. postal code in Katy, Texas (Harris County). It has a population of 73,226 and covers 20.4 square miles.

    What is the population of zip code 77450?

    The population of zip code 77450 (Katy, TX) is 73,226 with a median age of 37.6. There are approximately 26,259 housing units in this area.

    What is the median income in zip code 77450?

    The median household income in zip code 77450 (Katy, TX) is $105,607 per year. The cost of living index is 123 (100 = national average).

    What is the average home price in zip code 77450?

    The median home value in zip code 77450 (Katy, TX) is $342,000. The cost of living index is 123 compared to the national average of 100.

    What county is zip code 77450 in?

    Zip code 77450 is located in Harris County, Texas. The primary city is Katy.

    What is the area code for zip code 77450?

    Zip code 77450 in Katy, TX uses area code 713. It is located in the Central (CST/CDT) timezone.

    Is zip code 77450 a good place to live?

    Zip code 77450 (Katy, TX) has a cost of living index of 123 (100 = national average), a median household income of $105,607, and median home values of $342,000. The median age is 37.6. Visit the full page for demographics, climate, and nearby zip code comparisons.

    What is the cost of living in zip code 77450?

    The cost of living index for zip code 77450 (Katy, TX) is 123, where 100 represents the national average. This area is above the national average. Median home value: $342,000.

    What schools serve zip code 77450?

    Zip code 77450 in Katy, Texas is served by the local school district of Harris County. For specific school information, check your state's department of education or GreatSchools.org.

    All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.

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    Data Sources

    Population, income, housing, age, and demographics
    U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
    ZIP to city and county mapping
    USPS and HUD-USPS ZIP-County Crosswalk.
    Time zones and area codes
    IANA tz database and NANPA.
    Elevation
    U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
    Last refreshed
    2026-05-18.

    Methodology