Irion County, Texas Map

Reading the Irion County map

The outline on this map is Irion County's legal boundary as published in the U.S. Census Bureau's TIGER/Line files. At 1,052 square miles, the county is roughly the size of a square 32 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 Mertzon, 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 Irion County

Moving around the compass, Irion County borders Reagan to the west; Crockett to the southwest; Schleicher to the southeast; Tom Green to the east.

For travel planning, the nearest large cities are San Angelo (~34 mi), Midland (~80 mi), Abilene (~108 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 Central Texas

Central Texas stretches across the Hill Country, the Blackland Prairie and the Cross Timbers. It includes some of the fastest-growing suburbs in the nation along the I-35 corridor, alongside quiet ranching counties with limestone creeks and live-oak savanna.

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 Irion 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 Irion County itself was formed from Tom Green County.