check out our websites http://www.mocosheriff.com/ http://www.mctx.org/departments_d-k/departments_q-z/radio_shop/index.html Sheriff Tommy Gage assumed office January 1, 2005, and is serving his third term as Sheriff with the assistance of Chief Deputy Randy McDaniel. Choose the Administation link to view photos and career biographies of Sheriff Gage, Chief McDaniel, and the Division Captains. Montgomery County is the seventh largest sheriff's office and the 11th largest county in Texas. Nationally, Montgomery County is the 24th fastest growing county with an estimated population of 459,972. Montgomery County is located adjacent and north of Houston, Harris County, Texas and its county seat is Conroe. For more detailed demographic data about Montgomery County, click here.