Round Rock, Texas
Round Rock is a city in Williamson County (98% of residents) and Travis County (1.6%), Texas, with 119,930 residents in 2020. It spans 3 congressional districts: TX-17 (42%), TX-31 (41%) and TX-11 (17%). It spans 3 state senate and 4 state house districts.
County
| County | Share of residents |
|---|---|
| Williamson County | 98% |
| Travis County | 1.6% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Texas's 17th congressional district (TX-17) | 42% |
| Texas's 31st congressional district (TX-31) | 41% |
| Texas's 11th congressional district (TX-11) | 17% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Craig Morgan | citywide | |
| U.S. Representative (TX-17) | Pete Sessions (R) | 202-225-6105 | 42% |
| U.S. Representative (TX-31) | John R. Carter (R) | 202-225-3864 | 41% |
| U.S. Representative (TX-11) | August Pfluger (R) | 202-225-3605 | 17% |
| U.S. Senator | John Cornyn (R) | 202-224-2934 · contact form | statewide |
| U.S. Senator | Ted Cruz (R) | 202-224-5922 · contact form | statewide |
| State Senator (State Senate District 5) | Charles Schwertner (R) | 512-863-8456 | 98% |
| State Senator (State Senate District 14) | Sarah Eckhardt (Democratic) | 1.6% | |
| State Senator (State Senate District 24) | Pete Flores (R) | 830-896-9816 | 0.8% |
| State Representative (State House District 136) | John Bucy (Democratic) | 64% | |
| State Representative (State House District 52) | Caroline Harris Davila (R) | 512-255-6612 | 34% |
| State Representative (State House District 50) | James Talarico (Democratic) | 0.9% | |
| State Representative (State House District 46) | Sheryl Cole (Democratic) | 0.7% |
From Wikidata (community-maintained); confirm on the city's website.
Elected in 2024 under TX's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0); Mayors: Wikidata (CC0).
Local government
- Round Rock website: http://www.roundrocktexas.gov/
- Round Rock laws: search for the Round Rock, Texas code of ordinances
- Williamson County website: https://www.wilcotx.gov/
- Williamson County laws: search for the Williamson County, Texas code of ordinances
- Travis County website: https://www.traviscountytx.gov/
- Travis County laws: search for the Travis County, Texas code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 5 | 98% |
| State Senate District 14 | 1.6% |
| State Senate District 24 | 0.8% |
| State house district | Share of residents |
|---|---|
| State House District 136 | 64% |
| State House District 52 | 34% |
| State House District 50 | 0.9% |
| State House District 46 | 0.7% |
ZIP codes
Percentages mark ZIPs only partly in Round Rock: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Round Rock's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:4863500")
Round Rock here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.