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US ZIP Code Profile

ZIP Code 77450
Katy, Texas

ZIP code 77450 is in Katy, located in Harris County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 72,977. The estimated median adjusted gross income per tax return is $62,833, and about 14% of filers report $200,000 or more.

2020 Population
72,977
Census ZCTA
County
Harris
FIPS 48201
Median income (est.)
$62,833
IRS SOI 2022
Land Area
20.447 mi²
+ 0.395 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityKaty, TX
CountyHarris County (FIPS 48201)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.743565, -95.740715
Land / Water Area20.447 mi² land · 0.395 mi² water

02Income & Economics

Distribution of the 31,440 individual tax returns filed in 77450 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.4%
$25K–$50K
17.8%
$50K–$75K
13.1%
$75K–$100K
9.0%
$100K–$200K
20.1%
$200K+
14.5%
The $200,000+ bracket accounts for 55% of 77450's total adjusted gross income, from 14% of returns — a concentration that drives the gap between the median ($62,833) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 77450's IRS income metrics, 2020–2022.

Median income (2021→2022)
$62,833
▲ 5.0%
Filers earning $200K+
14.5%
▲ 1.4 pt
Total filers
31,440
▲ 2.1%
GET /zipc/v2/zipcodes/77450/soi?year=… $55K 2020 $60K 2021 $63K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 77450 ZCTA.

2000
48,174
 
2010
71,889
▲ +49.2%
2020
72,977
▲ +1.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number484575
City AliasesKaty, Park Row

06Frequently Asked Questions

What county is ZIP code 77450 in?

ZIP code 77450 is in Harris County, Texas (county FIPS code 48201).

What city is ZIP code 77450?

The primary USPS city for 77450 is Katy, TX.

What metro area (MSA) is 77450 in?

77450 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77450?

The 2020 Census population of 77450 was 72,977 residents.

What is the median income in ZIP code 77450?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77450 is about $62,833, with around 14% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.