Austin, Texas
Austin is a city in Travis County (94% of residents), Williamson County (6.3%) and Hays County (0.1%), Texas, with 959,157 residents in 2020. It spans 5 congressional districts: TX-37 (75%), TX-10 (12%), TX-17 (5.4%), TX-27 (4.2%) and TX-11 (3.3%). It spans 5 state senate and 10 state house districts.
County
| County | Share of residents |
|---|---|
| Travis County | 94% |
| Williamson County | 6.3% |
| Hays County | 0.1% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Texas's 37th congressional district (TX-37) | 75% |
| Texas's 10th congressional district (TX-10) | 12% |
| Texas's 17th congressional district (TX-17) | 5.4% |
| Texas's 27th congressional district (TX-27) | 4.2% |
| Texas's 11th congressional district (TX-11) | 3.3% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Kirk Watson | 512-978-2100 | citywide |
| U.S. Representative (TX-37) | Lloyd Doggett (D) | 202-225-4865 | 75% |
| U.S. Representative (TX-10) | Michael T. McCaul (R) | 202-225-2401 | 12% |
| U.S. Representative (TX-17) | Pete Sessions (R) | 202-225-6105 | 5.4% |
| U.S. Representative (TX-27) | Michael Cloud (R) | 202-225-7742 | 4.2% |
| U.S. Representative (TX-11) | August Pfluger (R) | 202-225-3605 | 3.3% |
| U.S. Senator | John Cornyn (R) | 202-224-2934 · contact form | statewide |
| U.S. Senator | Ted Cruz (R) | 202-224-5922 · contact form | statewide |
Plus 15 state legislators across 15 districts. Look up an address for the exact ones.
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: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Austin website: https://austintexas.gov
- Austin laws: search for the Austin, Texas code of ordinances
- Travis County website: https://www.traviscountytx.gov/
- Travis County laws: search for the Travis County, Texas code of ordinances
- Williamson County website: https://www.wilcotx.gov/
- Williamson County laws: search for the Williamson County, Texas code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 14 | 74% |
| State Senate District 21 | 19% |
| State Senate District 24 | 6.2% |
| State Senate District 25 | 1.0% |
| State Senate District 5 | <0.1% |
| State house district | Share of residents |
|---|---|
| State House District 49 | 21% |
| State House District 51 | 19% |
| State House District 48 | 18% |
| State House District 50 | 15% |
| State House District 47 | 13% |
| State House District 46 | 7.0% |
| State House District 136 | 6.2% |
| State House District 45 | 0.1% |
| State House District 19 | <0.1% |
| State House District 20 | <0.1% |
ZIP codes
Percentages mark ZIPs only partly in Austin: the share of that ZIP's residents living in it.
- 78610 (0.4%)
- 78613 (3.1%)
- 78617 (50%)
- 78652 (8.3%)
- 78653 (2.7%)
- 78660 (7.1%)
- 78701
- 78702
- 78703
- 78704
- 78705
- 78712
- 78717 (76%)
- 78719 (0.1%)
- 78721
- 78722
- 78723
- 78724 (60%)
- 78725 (11%)
- 78726 (95%)
- 78727
- 78728 (2.7%)
- 78729 (53%)
- 78730 (98%)
- 78731
- 78732 (11%)
- 78733 (6.6%)
- 78734 (0.8%)
- 78735 (80%)
- 78736 (68%)
- 78737 (0.4%)
- 78739 (87%)
- 78741
- 78742 (89%)
- 78744 (96%)
- 78745 (98%)
- 78746 (50%)
- 78747 (81%)
- 78748 (93%)
- 78749
- 78750
- 78751
- 78752
- 78753 (96%)
- 78754 (79%)
- 78756
- 78757
- 78758
- 78759
Get this in your AI agent
Your agent can get Austin'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:4805000")
Austin 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.