Geography of Grayson County
Grayson County sits at roughly 33.63° N and 96.68° W in the North Texas region of Texas, spanning 934 square miles of terrain that includes the landscape characteristic of the area — from open ranchland and farmland to small-town main streets. The county's centroid is near Sherman, and the county shares boundaries with 4 neighboring counties.
Population & demographics
With approximately 153,613 residents across 934 square miles, Grayson County has a population density of about 164.5 people per square mile. Density here reflects a mix of small cities, suburbs, and rural land.
County seat: Sherman
Sherman serves as the seat of government for Grayson County. The county courthouse, commissioners court, district clerk, and primary public records are located here. As with all 254 Texas counties, the county seat is the anchor of civic life and the principal address for elections, permits, and court filings.
History & name origin
Grayson County was established in 1846 and was named for Peter Wagener Grayson, an attorney general of the Republic of Texas. It was carved from territory previously part of Fannin County.
Grayson County, Texas — frequently asked questions
Quick answers about Grayson County geography, population, county seat, neighboring counties, and how to use the maps on this page. Every answer is generated from the official U.S. Census data backing this site.
Where is Grayson County, Texas located?+
Grayson County is located in the North Texas region of Texas at approximately 33.627° N, 96.678° W. It is one of the 254 counties of Texas and carries U.S. Census FIPS code 48181. The interactive map on this page renders the official U.S. Census TIGER boundary for Grayson County over real-world OpenStreetMap, Esri satellite, and topographic basemaps.
How big is Grayson County in square miles?+
Grayson County covers approximately 934 square miles of land in the North Texas region — a mid-sized Texas county. By land area it ranks 94th out of 254 Texas counties. The full bounding box of the county is rendered to scale on the interactive map and matches the U.S. Census TIGER 2023 polygon.
What is the population of Grayson County, Texas?+
Grayson County has a population of approximately 153,613 residents. With 934 square miles of land, that works out to a population density of about 164.5 people per square mile, which is moderately populated for a Texas county. That makes Grayson County the 33rd most populous of the 254 counties in Texas.
What is the county seat of Grayson County?+
Sherman is the county seat of Grayson County, Texas, which was organized in 1846 and named for Peter Wagener Grayson, an attorney general of the Republic of Texas. Grayson County was originally carved out of Fannin County. County government offices, courthouses, and most public records for Grayson County are located in Sherman.
Which Texas counties border Grayson County?+
Grayson County shares borders with Cooke, Denton, Collin, and Fannin counties. These 4 neighboring counties are highlighted on the schematic boundary map and linked at the bottom of this page so you can quickly compare population, area, and county seats across the North Texas region.
Where can I download or print a map of Grayson County?+
A free, print-ready PDF map of Grayson County is available from the "Download PDF" button at the top of this page. The printable layout uses authentic U.S. Census TIGER boundary geometry for Grayson County, includes a Texas locator inset, and is sized for standard 8.5" × 11" Letter paper. For interactive use, the live Leaflet map on this page supports OpenStreetMap, Esri satellite, Esri topographic, and Carto light basemaps with zoom, scale bar, and fullscreen.
What is the FIPS code for Grayson County, Texas?+
The full 5-digit U.S. Census FIPS code for Grayson County is 48181, made up of Texas state code 48 and the 3-digit county code 181. This is the same FIPS code used by the U.S. Census Bureau TIGER/Line files, the American Community Survey, and most federal datasets that key on county.