17.9% were of German, 10.8% American, 9.3% Czech, 6.0% Irish and 5.6% English ancestry according to Census 2000.

24.20% of all households were made up of individuals, and 12.50% had someone living alone who was 65 years of age or older.

Jackson County has voted Republican in every presidential election since 1980, often by landslide margins.

School districts include:[14] Residents of the county not in Ganado ISD are in the service area of Victoria College.

Residents of the Ganado ISD part are in the service area of Wharton County Junior College.