| Williamson County QuickFacts | 
| Texas Census, 1820-90 (Ancestry.com Login Required) | 
| 1850 U.S. Federal Census – Slave Schedules (Ancestry.com Login Required) | 
| 1850 Federal Census (Ancestry.com Login Required) | 
| 1850 Federal Census (Index) | 
| 1850 Federal Census (Image Information) | 
| 1850 Federal Census (Images) | 
| 1860 Federal Census (Ancestry.com Login Required) | 
| 1860 Federal Census (Image Information) | 
| 1860 Federal Census (Images) | 
| 1870 Federal Census (Ancestry.com Login Required) | 
| 1870 Federal Census (Image Information) | 
| 1870 Federal Census (Images) | 
U.S. Federal Census – 1880 Schedules of Defective, Dependent, and Delinquent Classes  
    (Ancestry.com Login Required) | 
| 1880 Federal Census (Ancestry.com Login Required) | 
| 1880 Federal Census (Hawkins Family) by Michelle Doss | 
| U.S., Indian Census Rolls, 1885-1940 (Ancestry.com Login Required) | 
U.S. Special Census on Deaf Family Marriages and Hearing Relatives, 1888-1895  
(Ancestry.com Login Required) | 
| 1890 Veterans Schedules (Ancestry.com Login Required) | 
| 1900 Federal Census (Ancestry.com Login Required) | 
| 1900 Federal Census (George W. Dickson) by Phyllis Hill | 
| 1910 Federal Census (Ancestry.com Login Required) | 
| 1910 Federal Census (Jim W. McHorse) by Phyllis Hill | 
| 1910 Federal Census (Ancestry.com Login Required) | 
| 1920 Federal Census (Ancestry.com Login Required) | 
| 1930 Federal Census (Ancestry.com Login Required) | 
| 1940 United States Federal Census (Beta) (Ancestry.com Login Required) |