Collin County, Texas
county in Texas, United States
Collin County is a county in the northern part of the U.S. state of Texas. It is part of the Dallas–Fort Worth–Arlington metropolitan statistical area, and a small portion of the city of Dallas is in the county. At the 2020 United States census, the county's population was 1,064,465, making it Texas's sixth-most populous county and the 43rd-largest county by population in the United States. Its county seat is McKinney.
History
Native Americans around Collin County and North Texas included the Caddo, Comanche, Cherokee, Delaware, Kickapoo, and Tonkawa. Several Native American sites have been found, including around Lavon Lake and Sister Grove Creek. Both the county and the county seat were named after Collin McKinney (1766–1861), one of the five men who drafted the Texas Declaration of Independence and the oldest of the 59 men who signed it.
Civil War
Like many counties in North Texas, Collin County voted against secession from the United States. This is mainly due to the relatively weak hold of slavery in Collin County and the influence of James W. Throckmorton, who had represented Collin County in both the Texas Senate and the Texas House of Representatives. Nonetheless, Collin County sent men to fight for the Confederacy with Throckmorton leading his own company of mounted riflemen.
Begin with the source’s own compact description: “Collin County, Texas” is county in Texas, United States. The dossier treats that line as a proposition to test through Collin, County and Texas, not as a finished interpretation.
Why this record matters
The phrase “county in Texas, United States” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Sep 16, 2026. The linked authority identifier is Q111174. VIAF identifies the subject as 146568886. The Library of Congress control number is n79074267. Authority coordinates are 33.180, -96.580. 6 of 6 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020, 1766 and 1861.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Collin County, Texas”, its source revision and the description used here.
- Expand the search: follow Collin County, Texas primary sources, Collin County, Texas archive and Collin research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Collin County, Texas”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Collin County, Texas” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.