Residential delivery area · Texas
ZIP Code 77450: Katy, TX
ZIP code 77450 uses the postal name Katy, Texas and lies mostly in Harris County (65% of its land) with the rest in Fort Bend County (Census 2020 ZIP-county file). About 72,000 people live there (Census Bureau, ACS 2020-2024), the 3rd most populous of Katy's 4 residential ZIP codes. Median household income is $106,402 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Houston (39%) and Cinco Ranch (14%); 47% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Katy · 4 residential ZIPs
- County
- Harris County (65%); Fort Bend County (35%)
- Census places
- Houston (39%); Cinco Ranch (14%) census-designated place
- Neighborhood
- Mason Park West GeoNames
- Metro area
- Houston-Pasadena-The Woodlands, TX
- House districts
- TX-22 (72%), TX-38 (28%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 19.7 sq mi · 3,655 people per sq mi
Where is ZIP code 77450?
77450 centers on 29.748°, -95.736° and covers 19.7 square miles of land plus 0.4 of water. It borders 6 ZIP codes: 77094, 77494, 77077, 77407, 77082, 77449.
The map draws ZIP code areas only. For the streets inside 77450, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 77450 compare with the rest of Katy?
| Measure | 77450 | In Katy | In Harris County | In TX |
|---|---|---|---|---|
| People (ACS 2020-2024) | 71,906 | 3rd of 4 | 10th of 142 | 45th of 1,990 |
| Median household income | $106k | 3rd of 4 | 26th of 137 | 182nd of 1,172 |
| Median home value | $361k | 2nd of 4 | 32nd of 136 | 255th of 1,172 |
Its median household income is higher than in 85% of U.S. residential ZIP codes, and it is denser than 91% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 77450?
The 2020 Census counted 72,977 people in 77450; the ACS, which samples households over 2020-2024, estimates 71,906. Between the 2010 and 2020 censuses its population grew 1.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 71,906
- 2020 Census count
- 72,977+1.5% since 2010 (71,889)
- Households
- 24,945
- Median age
- 38.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 77450?
Of the 71,906 people the ACS estimates in 77450, 27.1% are under 18 and 13.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (50.2%), then Hispanic or Latino (24.9%).
- Under 1827.1%
- 18 to 6459.7%
- 65 and older13.2%
- White, not Hispanic50.2%
- Hispanic or Latino24.9%
- Asian, not Hispanic12.3%
- Black, not Hispanic6.6%
- Other or two or more6.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 77450 earn?
Median household income is $106,402 (ACS 2020-2024), the 26th highest of the 137 ranked ZIP codes in Harris County. It fell from $118,436 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $106,402
- Income per person
- $49,521
- Below the poverty line
- 7.7%
- Unemployed (of the labor force)
- 5.7%
- Adults 25+ with a bachelor's degree
- 52.5%
- Adjusted gross income per tax return, 2022
- $118,80631,440 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 77450?
FHFA's house price index for 77450, built from repeat sales and appraisals of the same homes, rose 56% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved −2.5% in 2025.
- Median home value (owners' estimate)
- $361,400
- Median gross rent
- $1,746
- Homes owned by their occupants
- 68.8%
- Housing units
- 26,031
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 77450?
1,755 business establishments had a location in this ZIP code in 2023, 165 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services316
- Health care and social assistance302
- Accommodation and food services175
- Retail trade168
- Other services (except public administration)149
- Real estate and rental and leasing136
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 77450?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 77094 | Houston | 10,395 | $140k | 2.7 mi |
| 77494 | Katy | 140,157 | $149k | 4.8 mi |
| 77077 | Houston | 60,098 | $73k | 5.7 mi |
| 77407 | Richmond | 88,319 | $99k | 5.7 mi |
| 77082 | Houston | 59,412 | $63k | 6.0 mi |
| 77449 | Katy | 130,028 | $88k | 6.2 mi |
| 77083 | Houston | 73,230 | $64k | 6.5 mi (near) |
| 77084 | Houston | 110,217 | $81k | 7.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.