Collin County, Texas
Flag Seal
Location in the state of Texas
Texas's location in the U.S.
Founded	1846
Named for	Collin McKinney
Seat	McKinney
Largest city	Plano
Area
• Total	886 sq mi (2,295 km2)
• Land	841 sq mi (2,178 km2)
• Water	45 sq mi (117 km2), 5.1%
Population (Est.)
• (2019)	1,034,730
Time zone	Central: UTC-6/-5
Website	www.collincountytx.gov
Footnotes: For infobox source see

County Well Data

Well ID	Operator Name	Well Type	Lease
42-085-30096	LOCH & TRACY ENGINEERING CO
42-085-30097	Tipperary Oil & Gas Corporation
42-085-30098	HARPER, WAYNE
42-085-30100	ESPERANZA ENERGY CORP.
42-085-30101	LIFESTYLE ENERGY CORP.
42-085-30102	LIFESTYLE ENERGY CORP.
42-085-30103	NRM Petroleum Corp.
42-085-30104	NRM Petroleum Corp.
42-085-30106	NICHOLS AND SONS, INC.
42-085-30107
42-085-30108	PARK AVENUE EXPLORATION CORP.
42-085-30109	PARK AVENUE EXPLORATION CORP.
42-085-30110	PARK AVENUE EXPLORATION CORP.
42-085-30111	PARK AVENUE EXPLORATION CORP.
42-085-30112	BARON EXPLORATION CO.
42-085-30113
42-085-30114	KOCH PIPELINE COMPANY, L.P.
42-085-30115
42-085-30116	ENTERPRISE PRODUCTS OPERATINGLLC
42-085-30117	ATMOS ENERGY CORP., MID-TEX DIV.
42-085-80000	WORTHAM, E. H.
42-085-80003
42-085-80004

For data sources see