Collin County
URL: https://knowledge.ivjn.us/en/places/tx-collin-county.html

Collin County is a county in Texas, United States, with county seat McKinney.

## Administrative divisions

Collin County is a county in Texas, United States; the county seat is McKinney[^uscb2023].

## Basic facts

- State: [Texas](https://knowledge.ivjn.us/en/places/texas.html)
- County seat: McKinney[^uscb2023]
- Division level: county[^uscb2023]

## Parent division

Located in [Texas](https://knowledge.ivjn.us/en/places/texas.html).

Updated: 2026-10-29

Relations:
- Located in: Texas https://knowledge.ivjn.us/en/places/texas.html
- Contains places: Plano https://knowledge.ivjn.us/en/places/tx-plano.html
- Contains places: Allen https://knowledge.ivjn.us/en/places/tx-allen.html
- Contains places: Anna https://knowledge.ivjn.us/en/places/tx-anna.html
- Contains places: Blue Ridge https://knowledge.ivjn.us/en/places/tx-blue-ridge.html
- Contains places: Celina https://knowledge.ivjn.us/en/places/tx-celina.html
- Contains places: Fairview https://knowledge.ivjn.us/en/places/tx-fairview.html
- Contains places: Farmersville https://knowledge.ivjn.us/en/places/tx-farmersville.html
- Contains places: Frisco https://knowledge.ivjn.us/en/places/tx-frisco.html
- Contains places: Josephine https://knowledge.ivjn.us/en/places/tx-josephine.html
- Contains places: Lavon https://knowledge.ivjn.us/en/places/tx-lavon.html

Mentioned in:
- Texas https://knowledge.ivjn.us/en/places/texas.html
- Allen https://knowledge.ivjn.us/en/places/tx-allen.html
- Anna https://knowledge.ivjn.us/en/places/tx-anna.html
- Blue Ridge https://knowledge.ivjn.us/en/places/tx-blue-ridge.html
- Celina https://knowledge.ivjn.us/en/places/tx-celina.html
- Fairview https://knowledge.ivjn.us/en/places/tx-fairview.html
- Farmersville https://knowledge.ivjn.us/en/places/tx-farmersville.html
- Frisco https://knowledge.ivjn.us/en/places/tx-frisco.html
- Josephine https://knowledge.ivjn.us/en/places/tx-josephine.html
- Lavon https://knowledge.ivjn.us/en/places/tx-lavon.html

Sources:
- Collin County (Wikipedia) https://en.wikipedia.org/wiki/Collin_County
- U.S. Census Bureau 2023 FIPS state and county codes https://www.census.gov/library/reference/code-lists/ansi.html