Dallam County, Texas
The 1922 Dallam County Courthouse in Dalhart
Location in the state of Texas
Texas's location in the U.S.
Founded	1891
Seat	Dalhart
Largest city	Dalhart
Area
• Total	1,505 sq mi (3,898 km2)
• Land	1,503 sq mi (3,893 km2)
• Water	2.0 sq mi (5 km2), 0.1%
Population
• (2015)	7,121
• Density	4.5/sq mi (2/km²)
Time zone	Central: UTC-6/-5
Website	www.dallam.org
Footnotes: For infobox source see

County Well Data

Well ID	Operator Name	Well Type	Lease
42-111-00055	DIAMOND SHAMROCK EXPLORATION CO.	Gas
42-111-00135	NEWTON CORP.,THE	Gas	022272
42-111-30096	Hadson Ohio Oil Company
42-111-30097	Pennzoil Company
42-111-30098	North Central Oil Corp.	Gas
42-111-30099	Apache Corporation
42-111-30100	Pennzoil Company
42-111-30101	RED CAVE JOINT VENTURE
42-111-30102	THOMPSON, RICHARD W. INC.
42-111-30103	ESTACADO ENERGY, INC.	Oil	06922
42-111-30104	ARCH PETROLEUM INC.
42-111-30105	ARCH PETROLEUM INC.
42-111-30106	ROSEWOOD RESOURCES, INC.
42-111-30107	SAMSON LONE STAR, LLC
42-111-30108	HUNTINGTON ENERGY, L.L.C.
42-111-30109	HUNTINGTON ENERGY, L.L.C.	Oil	08035
42-111-30110	CAMBRIDGE PRODUCTION, INC.
42-111-30111	HUNTINGTON ENERGY, L.L.C.
42-111-30112	HUNTINGTON ENERGY, L.L.C.	Gas	270474
42-111-30113	H & L EXPLORATION COMPANY, LLC	Oil	09471
42-111-80000	Gulf Oil Corp.	Gas
42-111-80001	Gulf Oil Corp.	Gas
42-111-80002	HEADCO PRODUCTION COMPANY	Gas
42-111-80003	Humble Oil & Refining Co.	Gas
42-111-80004	DAVIS, TRAVIS H.	Gas
42-111-80005	Humble Oil & Refining Co.	Gas
42-111-80006	Kerr-McGee Corporation	Gas
42-111-80007	DIAMOND CHEMICALS COMPANY	Gas
42-111-80008	DIAMOND CHEMICALS COMPANY	Gas
42-111-80009	DIAMOND CHEMICALS COMPANY	Gas
42-111-80010
42-111-80011	DIAMOND CHEMICALS COMPANY	Gas
42-111-80012	ESTACADO ENERGY, INC.	Gas	022269
42-111-80013	DIAMOND CHEMICALS COMPANY	Gas
42-111-80014	TENNECO OIL CO.	Gas
42-111-80015
42-111-80016	UNDERWOOD, RIP C.	Gas
42-111-80017	UNDERWOOD, RIP C.	Gas
42-111-80018	UNDERWOOD, RIP C.	Gas
42-111-80019	UNDERWOOD, RIP C.	Gas

For data sources see