Knollwood is a city in Grayson County, Texas, home to about 701 people across 0.3 square miles. It has no ZIP code of its own: it’s part of 75092.
Homes sold for a median of $158 per square foot in the three months ending August 2026, a balanced market.
Mostly Sherman; part is in Knollwood
Each card is that ZIP code’s whole market, including any part outside Knollwood. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Knollwood’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Dallas Love Field (DAL)56 miles away |
|---|---|
| Nearest city of 250,000+ | Plano, TX41 miles away |
| Nearest city of 1 million+ | Dallas, TX59 miles away |
Straight-line distances from the center of Knollwood; 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.
Knollwood had 764 residents in the 2020 census, up 104% since 2000.
It’s the 1145th largest of 1,778 towns in Texas by population.
Grayson County grew from 63,661 residents in 1900 to 135,543 in 2020.
Grayson County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 93°F in summer, and winter lows average 34°F. About 44.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Sherman, TX weather station (5 miles away).
42,994 jobs at 2,899 businesses in Grayson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
356 doctors and other health care providers list an office in Knollwood.
Nearest hospitals
Providers with an office here
| Primary care doctors | 43 |
|---|---|
| Specialist doctors | 71 |
| Dentists | 28 |
| Nurse practitioners and physician assistants | 88 |
| Mental health providers | 63 |
| Physical and occupational therapists | 41 |
| Optometrists | 10 |
| Chiropractors | 12 |
| Pharmacies | 12 |
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 (5 nearby)
Grocery stores
Pharmacies
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 1 mile 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.
Public schools here are run by Sherman ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Henry W Sory ElSherman | K–5 | 619 | Public | 1.0 mi |
| Wakefield ElSherman | K–5 | 324 | Public | 0.7 mi |
| Sherman H SSherman | 9–12 | 2,143 | Public | 2.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Texoma Christian SchoolSherman | Pre-K–12 | 259 | Christian (no specific denomination) | 2.0 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 Sherman and Southmayd.
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.