Katy is a city in Harris County, Texas, home to about 25,184 people across 15 square miles. It has no ZIP code of its own: it’s part of 77493 and 77494.
Homes sold for a median of $166 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Part is in Katy, part in Houston
Part is in Katy, part in Houston and Cinco Ranch
Each card is that ZIP code’s whole market, including any part outside Katy. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Katy’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Katy well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | George Bush Intercontinental Airport (IAH)32 miles away |
|---|---|
| Nearest city of 250,000+ | Houston, TX26 miles away |
Straight-line distances from the center of Katy; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Katy had 21,894 residents in the 2020 census, up 86% since 2000.
It’s the 131st largest of 1,778 towns in Texas by population.
Harris County grew from 63,786 residents in 1900 to 4,731,145 in 2020.
Harris County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 95°F in summer, and winter lows average 45°F. About 49.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Houston Sugarland Mem, TX weather station (16 miles away).
2,182,164 jobs at 111,215 businesses in Harris County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1,383 doctors and other health care providers list an office in Katy’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 123 |
|---|---|
| Specialist doctors | 211 |
| Dentists | 152 |
| Nurse practitioners and physician assistants | 316 |
| Mental health providers | 322 |
| Physical and occupational therapists | 155 |
| Optometrists | 55 |
| Chiropractors | 49 |
| Pharmacies | 57 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (10 nearby)
Grocery stores (5 nearby)
Pharmacies (5 nearby)
Libraries (1 nearby)
Museums (6 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1945.
Colleges and universities
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Katy ISD, Harmony Public Schools - Houston West, Lamar CISD and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bethke ElKaty | Pre-K–5 | 964 | Public | 3.7 mi |
| Cimarron ElKaty | Pre-K–5 | 495 | Public | 4.5 mi |
| David & Terri Youngblood ElKaty | Pre-K–5 | 1,186 | Public | 5.8 mi |
| Edna Mae Fielder ElKaty | Pre-K–5 | 945 | Public | 5.2 mi |
| Fred and Patti Shafer ElKaty | Pre-K–5 | 935 | Public | 6.3 mi |
| Griffin ElKaty | Pre-K–5 | 782 | Public | 6.5 mi |
| Harmony Science Academy-KatyKaty | Pre-K–7 | 1,347 | Charter | 8.0 mi |
| Jenks ElKaty | Pre-K–5 | 1,356 | Public | 4.6 mi |
| Joella Exley ElKaty | Pre-K–5 | 868 | Public | 6.9 mi |
| Kathleen Joerger Lindsey ElKaty | Pre-K–5 | 923 | Public | 4.4 mi |
| Katy ElKaty | Pre-K–5 | 699 | Public | 1.2 mi |
| Keiko Davidson ElKaty | Pre-K–5 | 922 | Public | 5.6 mi |
| Leonard ElKaty | Pre-K–5 | 1,051 | Public | 2.9 mi |
| Mcelwain ElKaty | Pre-K–5 | 1,039 | Public | 5.4 mi |
| Odessa Kilpatrick ElKaty | Pre-K–5 | 968 | Public | 5.9 mi |
| Project TykeKaty | Pre-K | 13 | Special Education | 1.9 mi |
| Ray and Jamie Wolman ElKaty | Pre-K–5 | 1,054 | Public | 4.0 mi |
| Robert King ElKaty | Pre-K–5 | 1,011 | Public | 2.7 mi |
| Roberta Wright Rylander ElKaty | Pre-K–5 | 1,034 | Public | 5.1 mi |
| Robertson ElKaty | Pre-K–5 | 1,508 | Public | 1.3 mi |
| Roosevelt Alexander ElKaty | Pre-K–5 | 968 | Public | 7.6 mi |
| Stanley C Stanley ElKaty | Pre-K–5 | 835 | Public | 6.8 mi |
| Tamarron ElKaty | Pre-K–5 | 1,167 | Public | 6.0 mi |
| Tom Wilson ElKaty | Pre-K–5 | 1,058 | Public | 5.9 mi |
| Ursula Stephens ElKaty | Pre-K–5 | 578 | Public | 6.4 mi |
| Woodcreek ElKaty | Pre-K–5 | 1,301 | Public | 2.8 mi |
| Zelma Hutsell ElKaty | Pre-K–5 | 804 | Public | 1.0 mi |
| Aristoi Classical AcademyKaty | K–4 | 431 | Charter | 0.9 mi |
| Iltexas Katy ElKaty | K–5 | 936 | Charter | 2.2 mi |
| Aristoi Classical Upper SchoolKaty | 5–12 | 664 | Charter | 1.1 mi |
And 19 more.
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Alem Llc Dba Kiddie Academy of Katy WestKaty | Pre-K–K | 15 | Nonsectarian | 5.9 mi |
| Childrens Lighthouse Learning CenterKaty | Pre-K–K | 80 | Nonsectarian | 6.2 mi |
| Faith West AcademyKaty | Pre-K–12 | 300 | Christian (no specific denomination) | 2.1 mi |
| Katy Adventist Christian SchoolKaty | Pre-K–8 | 23 | Seventh-day Adventist | 0.7 mi |
| Kiddie Academy of ElysonKaty | Pre-K–K | 11 | Nonsectarian | 5.3 mi |
| Kids R Kids 46txKaty | Pre-K–K | 7 | Nonsectarian | 5.6 mi |
| Sugar Creek Montessori School KatyKaty | Pre-K–2 | 18 | Nonsectarian | 7.4 mi |
| Berean Christian AcademyKaty | K–11 | 219 | Christian (no specific denomination) | 1.8 mi |
| Safari Kids Learning CenterKaty | K | 12 | Nonsectarian | 2.7 mi |
| Mirus AcademyKaty | 8–12 | 30 | Nonsectarian | 1.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Houston and Cinco Ranch.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.