Collin County, Texas Map

Reading the Collin County map

The outline on this map is Collin County's legal boundary as published in the U.S. Census Bureau's TIGER/Line files. At 848 square miles, the county is roughly the size of a square 29 miles on each side — a typical size for a Texas county. Texas county lines are a mix of surveyed straight lines and natural features — compare the edges of this map to see which ones follow water.

The red marker shows McKinney, the county seat, and the highlighted shapes in the schematic view are the bordering counties. Use the layer switcher to change between street, satellite and terrain backgrounds: satellite is best for seeing farmland and development patterns, while terrain shows hills, valleys and river corridors.

What surrounds Collin County

Moving around the compass, Collin County borders Hunt to the east; Dallas to the south; Rockwall to the southeast; Denton to the west; Fannin to the northeast; Grayson to the north.

For travel planning, the nearest large cities are Dallas (~31 mi), Fort Worth (~53 mi), Tyler (~94 mi). Distances are straight-line from the county's center; driving distances are usually 15–30% longer depending on the road network.

Landscape of the North Texas

North Texas runs from the Dallas–Fort Worth Metroplex out to the Red River and the Rolling Plains. It mixes one of America's largest urban regions with wheat fields, cattle country and small towns that grew up along railroads.

How to use or print this map

To keep a copy, use the Download PDF button below the map: it saves a letter-size PDF of Collin County built from U.S. Census Bureau 2023 boundary files, showing neighboring counties and incorporated places. The Official TxDOT road map button downloads the Texas Department of Transportation county road mapbook. The Print map button opens a print-ready layout for paper printing. For a statewide view showing all 254 counties with their seats, use our free Texas map with counties and cities PDF.

Teachers often pair this map with the county's neighbors to practice cardinal directions, while genealogists use it to identify which neighboring courthouses may hold older records — many Texas counties were carved out of larger ones, and Collin County itself was formed from Fannin County.