Following closing of polls on Primary Election Day, Tuesday, March 3, 2020, Republican Party Precinct Conventions will be held across the county. The locations for each convention are listed below:
| Pct # | Precinct Convention Location |
| 119 | Round Rock Presbyterian
Church 4010 Sam Bass Rd, Round Rock |
| 122 | Round Rock High School 300 N Lake Creek Dr, Round Rock |
| 135 | Sleep Inn & Suites 1980 South IH 35, Round Rock |
| 138 | Sleep Inn & Suites 1980 South IH 35, Round Rock |
| 140 | Brushy Creek Comm. Center 16318 Great Oaks Dr, Round Rock |
| 145 | Williamson County Jester Annex 1801 E Old Settlers Blvd, Round Rock |
| 146 | Rattan Creek Park Community
Center 7617 Elkhorn Mountain Trail, Austin |
| 147 | Harmony School of Endeavor 13415 RM 620 N, Austin |
| 149 | Williamson County Jester Annex 1801 E Old Settlers Blvd, Round Rock |
| 150 | Round Rock Randalls 2051 Gattis School Road, Round Rock |
| 151 | Fairfield Inn & Suites
13087 Research Blvd, Austin |
| 152 | Fairfield Inn & Suites
13087 Research Blvd, Austin |
| 160 | Brushy Creek Comm. Center 16318 Great Oaks Dr, Round Rock |
| 162 | Hartfield Performing Arts
Center 5800 McNeil Dr, Austin |
| 172 | Round Rock Presbyterian
Church 4010 Sam Bass Rd, Round Rock |
| 182 | Round Rock Sports Center 2400 Chisholm Trail, Round Rock |
| 185 | Rattan Creek Park Community
Center 7617 Elkhorn Mountain Trail, Austin |
| 186 | Lord of Life Lutheran
Church 9700 Neenah Ave, Austin |
| 189 | Kelly Reeves Athletic
Complex 10211 W Parmer Lane, Austin |
| 190 | Fern Bluff MUD Comm.
Center 7320 Wyoming Springs Dr, Round Rock |
| 197 | Kelly Reeves Athletic
Complex 10211 W Parmer Lane, Austin |
| 198 | Brushy Creek Comm. Center 16318 Great Oaks Dr, Round Rock |
| 201 | Vista Ridge High School 200 S Vista Ridge Blvd, Cedar Park |
| 202 | Vista Ridge High School 200 S Vista Ridge Blvd, Cedar Park |
| 204 | Vista Ridge High School 200 S Vista Ridge Blvd, Cedar Park |
| 206 | Santa Rita Ranch House 175 Elizabeth Park Blvd, Liberty Hill |
| 207 | Liberty Hill High School 16500 W SH 29, Liberty Hill |
| 216 | Cedar Park High School 2150 Cypress Creek Rd, Cedar Park |
| 218 | Anderson Mill Limited 11500 El Salido Parkway, Austin |
| 253 | Leander High School 3301 S Bagdad Rd, Leander |
| 254 | Cedar Park Library 550 Discovery Blvd, Cedar Park |
| 259 | Leander Public Library 1011 S Bagdad Rd, Leander |
| 263 | Leander Public Library 1011 S Bagdad Rd, Leander |
| 264 | Rouse High School 1222 Raider Way, Leander |
| 266 | Cedar Park Randalls 1400 Cypress Creek Rd, Cedar Park |
| 267 | Rouse High School 1222 Raider Way, Leander |
| 273 | Cedar Park High School 2150 Cypress Creek Rd, Cedar Park |
| 274 | Kelly Reeves Athletic
Complex 10211 W Parmer Lane, Austin |
| 275 | Bethany United Methodist
Church 10010 Anderson Mill Rd, Austin |
| 277 | Cedar Park Recreation
Center 1435 Main St Town Center, Cedar Park |
| 278 | Cedar Park High School 2150 Cypress Creek Rd, Cedar Park |
| 283 | Cedar Park Recreation
Center 1435 Main St Town Center, Cedar Park |
| 287 | Highland Estates Indpt
Retrmt Living 1500 N Lakeline Blvd, Cedar Park |
| 305 | Georgetown Randalls 5721 Williams Dr, Georgetown |
| 309 | Andice Community Center 6600 FM 970, Florence |
| 310 | Florence High School – Gymnasium 401 FM 970, Florence |
| 311 | First Baptist Church of
Weir 315 FM 1105, Weir |
| 312 | Jarrell ISD Annex – Old
Cafeteria 508 N 5th St, Jarrell |
| 314 | Southwestern Univ.- Howry
Center 1001 Southwestern Blvd, Georgetown |
| 330 | Cedar Park Recreation
Center 1435 Main St Town Center, Cedar Park |
| 331 | Rouse High School 1222 Raider Way, Leander |
| 332 | Round Rock Presbyterian
Church 4010 Sam Bass Rd, Round Rock |
| 333 | Round Rock Presbyterian
Church 4010 Sam Bass Rd, Round Rock |
| 337 | Teravista Community Center 4211 Teravista Club Dr, Round Rock |
| 339 | Teravista Community Center 4211 Teravista Club Dr, Round Rock |
| 341 | GISD Technology and Nutrition
Bldg 603 Lakeway Dr, Georgetown |
| 342 | Georgetown Housing
Authority 210 W 18th Street, Bldg 1, Georgetown |
| 343 | First Baptist
Church-Georgetown 1333 W University Ave, Georgetown |
| 344 | Santa Rita Ranch House 175 Elizabeth Park Rd, Liberty Hill |
| 345 | First Baptist
Church-Georgetown 1333 W University Ave, Georgetown |
| 368 | Williamson County Inner Loop
Annex 301 SE Inner Loop, Georgetown |
| 369 | Williamson County Inner Loop
Annex 301 SE Inner Loop, Georgetown |
| 370 | Parks and Recreation Admin
Bldg 1101 N College St, Georgetown |
| 371 | GISD Technology and Nutrition
Bldg 603 Lakeway Dr, Georgetown |
| 379 | GISD Technology and Nutrition
Bldg 603 Lakeway Dr, Georgetown |
| 381 | Sun City Social Center 2 Texas Dr, Georgetown |
| 392 | The Delaney@Georgetown
Village 359 Village Commons Blvd, Georgetown |
| 393 | Cowan Creek Amenity Center 1433 Cool Spring Way, Georgetown |
| 394 | Cowan Creek Amenity Center 1433 Cool Spring Way, Georgetown |
| 395 | Georgetown Randalls 5721 Williams Dr, Georgetown |
| 396 | Sun City Social Center 2 Texas Dr, Georgetown |
| 402 | Hutto ISD Admin. Building 200 College St, Hutto |
| 403 | Hutto ISD Admin. Building 200 College St, Hutto |
| 413 | St Peter’s Church of
Coupland 108 Wathen Street, Coupland |
| 415 | First Baptist Church 301 E. Mesquite, Granger |
| 420 | Hutto City Hall
500 W Live Oak, Hutto |
| 423 | John Gordon’s Home 1007 Green Meadow, Round Rock |
| 424 | Forest Creek Elementary
School 3505 Forest Creek Drive, Round Rock |
| 425 | Bartlett Town Hall 140 W Clark St, Bartlett |
| 426 | Hutto ISD Admin. Building 200 College St, Hutto |
| 427 | Main Street Events Center 3101 North Main St, Taylor |
| 428 | Main Street Events Center 3101 North Main St, Taylor |
| 429 | Taylor City Hall 400 Porter St, Taylor |
| 434 | St John Lutheran Church 409 S Main St, Thrall |
| 436 | Hutto City Hall
500 W Live Oak, Hutto |
| 455 | Round Rock Randalls 2051 Gattis School Road, Round Rock |
| 456 | Taylor City Hall 400 Porter St, Taylor |
| 463 | The Fellowship Church of Round
Rock 3379 Gattis School Rd, Round Rock |
| 480 | Round Rock Randalls 2051 Gattis School Road, Round Rock |
| 484 | San Gabriel Rehab &
Care 4100 College Park Dr, Round Rock |
| 488 | Forest Creek Elementary
School 3505 Forest Creek Drive, Round Rock |
| 489 | The Fellowship Church of Round
Rock 3379 Gattis School Rd, Round Rock |
| 490 | Forest Creek Elementary
School 3505 Forest Creek Drive, Round Rock |
| 491 | San Gabriel Rehab &
Care 4100 College Park Dr, Round Rock |