Grayson County, Texas ZIP codes
18 ZIP codes are in Grayson County, plus 4 that cross in from neighboring counties. It's part of the Sherman-Denison, TX metro area.
- ZIP codes
- 18
- Population in these ZIPs
- 148,078
- Avg. median income
- $75,200population-weighted
- Cities & towns
- 15
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Grayson County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 75020 | Denison | 24,835 | $71,605 | $213,000 |
| 75021 | Denison | 9,173 | $83,067 | $238,300 |
| 75058 | Gunter | 3,625 | $125,694 | $652,000 |
| 75076 | Pottsboro | 7,989 | $76,919 | $335,900 |
| 75090 | Sherman | 26,594 | $55,543 | $200,900 |
| 75091 PO Box | Sherman | — | — | — |
| 75092 | Sherman | 28,342 | $68,036 | $282,100 |
| 75414 | Bells | 3,719 | $86,993 | $357,900 |
| 75459 | Howe | 6,554 | $71,228 | $292,400 |
| 75489 | Tom Bean | 803 | $88,676 | $233,200 |
| 75491 | Whitewright | 5,471 | $79,386 | $333,500 |
| 75495 | Van Alstyne | 11,120 | $111,563 | $420,700 |
| 76233 | Collinsville | 3,711 | $67,516 | $380,300 |
| 76245 | Gordonville | 1,814 | $92,212 | $204,400 |
| 76264 | Sadler | 997 | $77,955 | $309,500 |
| 76268 | Southmayd | 243 | — | $160,500 |
| 76271 | Tioga | 1,859 | $78,125 | $379,300 |
| 76273 | Whitesboro | 11,229 | $82,021 | $344,200 |
ZIP codes partly in Grayson County
These ZIP codes are mostly in a neighboring county but cover part of Grayson County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 75479 | Savoy | Fannin County | 2,284 | $74,803 | $296,600 |
| 75490 | Trenton | Fannin County | 3,196 | $92,500 | $392,200 |
| 76240 | Gainesville | Cooke County | 29,419 | $71,502 | $272,500 |
| 76258 | Pilot Point | Denton County | 8,444 | $103,532 | $324,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Grayson County
Nearby counties
Frequently asked questions
How many ZIP codes are in Grayson County, Texas?
18 ZIP codes are mainly in Grayson County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Grayson County?
ZIP codes in Grayson County use the city names Bells, Collinsville, Denison, Gordonville, Gunter, Howe, Pottsboro, Sadler, Sherman, Southmayd, Tioga and Tom Bean and others.
What metro area is Grayson County in?
Grayson County is part of the Sherman-Denison, TX metropolitan statistical area.