Geography of Jack County
Jack County sits at roughly 33.23° N and 98.17° W in the North Texas region of Texas, spanning 917 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 Jacksboro, and the county shares boundaries with 7 neighboring counties.
Population & demographics
With approximately 9,563 residents across 917 square miles, Jack County has a population density of about 10.4 people per square mile. Like much of West and South Texas, the county is sparsely populated, with wide-open country between settlements.
County seat: Jacksboro
Jacksboro serves as the seat of government for Jack 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
Jack County was established in 1856 and was named for Patrick and William Jack, brothers, participants in the Anahuac Disturbance, and veterans of the Texas Revolution. It was carved from territory previously part of Cooke County.
Jack County, Texas — frequently asked questions
Quick answers about Jack 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 Jack County, Texas located?+
Jack County is located in the North Texas region of Texas at approximately 33.233° N, 98.172° W. It is one of the 254 counties of Texas and carries U.S. Census FIPS code 48237. The interactive map on this page renders the official U.S. Census TIGER boundary for Jack County over real-world OpenStreetMap, Esri satellite, and topographic basemaps.
How big is Jack County in square miles?+
Jack County covers approximately 917 square miles of land in the North Texas region — a mid-sized Texas county. By land area it ranks 115th 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 Jack County, Texas?+
Jack County has a population of approximately 9,563 residents. With 917 square miles of land, that works out to a population density of about 10.4 people per square mile, which is rural for a Texas county. That makes Jack County the 167th most populous of the 254 counties in Texas.
What is the county seat of Jack County?+
Jacksboro is the county seat of Jack County, Texas, which was organized in 1856 and named for Patrick and William Jack, brothers, participants in the Anahuac Disturbance, and veterans of the Texas Revolution. Jack County was originally carved out of Cooke County. County government offices, courthouses, and most public records for Jack County are located in Jacksboro.
Which Texas counties border Jack County?+
Jack County shares borders with Parker, Montague, Palo Pinto, Wise, Young, Archer, and Clay counties. These 7 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 Jack County?+
A free, print-ready PDF map of Jack 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 Jack 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 Jack County, Texas?+
The full 5-digit U.S. Census FIPS code for Jack County is 48237, made up of Texas state code 48 and the 3-digit county code 237. 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.