Presidential: 2020 vs 2024
County-level presidential results are available for 2020 and 2024 only; earlier elections in the Secretary of State archive are statewide totals.
| Candidate | 2020 | 2024 |
|---|---|---|
| DONALD J. TRUMP (REP) | 139,729 48.3% | 155,310 50.3% |
| JOSEPH R. BIDEN → KAMALA D. HARRIS (DEM) | 143,795 49.7% | 147,766 47.9% |
| CHASE OLIVER (LIB) | — | 2,546 0.8% |
| JILL STEIN (GRN) | — | 2,541 0.8% |
| PETER SONSKI (W-I) | — | 171 0.1% |
| CLAUDIA DE LA CRUZ (W-I) | — | 82 0.0% |
| CORNEL WEST (W-I) | — | 41 0.0% |
| SHIVA AYYADURAI (W-I) | — | 9 0.0% |
| CHERUNDA FOX (W-I) | — | 2 0.0% |
| JESSIE CUELLAR (W-I) | — | 1 0.0% |
| JO JORGENSEN (LIB) | 4,998 1.7% | — |
| HOWIE HAWKINS (GRN) | 790 0.3% | — |
| BRIAN CARROLL (W-I) | 164 0.1% | — |
| TOM HOEFLING (W-I) | 38 0.0% | — |
| GLORIA LA RIVA (W-I) | 23 0.0% | — |
| TODD CELLA (W-I) | 10 0.0% | — |
| KASEY WELLS (W-I) | 3 0.0% | — |
| ROBERT MORROW (W-I) | 2 0.0% | — |
| ABRAM LOEB (W-I) | 1 0.0% | — |
| JESSE CUELLAR (W-I) | 1 0.0% | — |
| PRESIDENT R. BODDIE (W-I) | 1 0.0% | — |
| Total | 289,555 | 308,469 |
Voter Registration Trend
Registered voters in Williamson County, with the statewide total for scale, from 2019. Williamson: 455,181 registered as of March 2026.
Voter-registration cancellations
Monthly cancellations in Williamson County (bars) against the statewide total (line). The biennial post-election list-maintenance purge lands in December for most counties. Williamson County’s 2024-cycle purge peaked in December 2024 (18,213 records). Counties report cancellations to their rolls on their own schedule.
| Reason | Total since 2019 |
|---|---|
| Felony conviction | 40,029 |
| Duplicate registration (statewide match) | 35,204 |
| Requested by the voter | 6,707 |
| Under investigation | 4,202 |
| Duplicate registration (in-county) | 2,942 |
| Otherwise disqualified | 878 |
| Adjudged mentally incompetent | 732 |
| Non-U.S. citizen | 588 |
| Deceased | 57 |
| List maintenance (moved / address unconfirmed) | |
| Failed address confirmation | 303 |
| Removed from suspense (moved, unconfirmed) | 52 |
Source: Texas Secretary of State voter registration cancellation reports, monthly.
All results
Every race with a Williamson County result in the SoS canvass, newest first.