Presented by the Capital Area Council of Governments

Williamson County

Williamson County is located in north central Texas just north of the state capital in Austin and has an estimated population of 528,178 as of 2016 according to the US Census. The County is made up of 15 municipal jurisdictions. Georgetown is the county seat, and Round Rock is its largest city.

Williamson County Municipal Jurisdictions/Cities

Cedar Park

Liberty Hill
Pflugerville (partly in Travis County)
Round Rock

Williamson County Office of Emergency Management (OEM) provides for the safety of Williamson County residents through emergency preparedness and response. OEM serves as the coordinating point for disaster preparedness, mitigation, response and recovery capabilities for Williamson County in cooperation with the County’s municipal governments, Emergency Service Districts, and nonprofit and volunteer first response organizations. Williamson County uses the CAPCOG Regional Notification System to notify residents about specific emergencies. Cell phone users must register at to receive the notification system’s messages by phone, email and text. Countywide major emergency information is posted on Facebook and on Twitter at www.twitter/PreparingWilCo. These accounts are monitored weekdays during office hours; however, residents needing emergency assistance should call 911 and not post requests or send messages to County social media accounts.

A picture of the Wilco Ready App home screent


Williamson County has developed a mobile app that helps its citizens properly prepare and stay informed during and after a disaster. You will be able to create your family emergency plan and get a list of the go-kit supplies in just under a minute. In addition, you will receive the latest updates and necessary information on evacuation routes, shelters, available emergency services and much more, should a disaster strike.

Find peace of mind by ensuring that you and your family are properly prepared.

Go to your Android or Apple app store to download the Wilco Ready Community Preparedness App and all the information you need in one easy-to-use app.

Get Connected


Preparing Wilco - Williamson County Emergency Services
Williamson County Sheriff's Office


@PreparingWilco - Williamson County Office of Emergency Management
@WilcoSheriffPIO - Williamson County Sheriff's Office