|Elevation||1,942 ft (592 m)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||475301|
In 1942, the Walker Army Airfield was built 1 mile northwest of Walker. Thousands were stationed at the airfield for training of the Boeing B-29 Superfortress during World War II. The airfield was abandoned and most of it razed.
In 1966, Interstate 70 reached Walker, passing about one block south of the community.
Walker is located at  It lies approximately 1.5 miles (2.3 km) west of Walker Creek, part of the Smoky Hill River watershed, in the Smoky Hills region of the Great Plains. Walker is immediately north of Interstate 70 roughly 13 miles (21 km) east of Hays, the county seat.(38.8672339, -99.0759271) at an elevation of 1,942 feet (592 m).
Walker Avenue, a paved county road, runs north-south through Walker, intersecting Interstate 70 and U.S. Route 40, which run concurrently east-west, immediately south of town. The old alignment of U.S. 40, now a paved county road, runs northeast-southwest through Walker.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "General Highway Map - Ellis County, Kansas". Kansas Department of Transportation. 1978. Retrieved 2010-12-18.
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- "2003-2004 Official Transportation Map". Kansas Department of Transportation. 2003. Retrieved 2010-12-18.
- "General Highway Map - Ellis County, Kansas". Kansas Department of Transportation. 2010-06-01. Retrieved 2010-12-18.
- "Official 1960-61 Kansas Highway Map". Kansas Department of Transportation. Retrieved 2010-12-18.
- "UPRR Common Line Names". Union Pacific Railroad. Retrieved 2010-10-10.