Boundary Atlas

Texas's 9th congressional district (TX-09)

Texas's 9th congressional district (TX-09) covers parts or all of Liberty County and Harris County, and 43 ZIP codes (19 wholly inside it). Its 2020 population was 766,987. This is the map in force for the November 3, 2026 election.

766,987residents (2020 Census)
2counties
43ZIP codes
188voting precincts

Who represents TX-09

OfficeMemberContact
U.S. Representative (TX-09)Al Green (D)202-225-7508
U.S. SenatorJohn Cornyn (R)202-224-2934 · contact form
U.S. SenatorTed Cruz (R)202-224-5922 · contact form

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: Members of Congress: the @unitedstates project, congress-legislators (CC0).

Counties

CountyShare of the county's residents in TX-09
Liberty County100%
Harris County14%

ZIP codes

Percentages mark ZIPs only partly in TX-09: the share of that ZIP's residents inside it.

Towns

Cleveland CCD, Daisetta CCD, Hardin-Rye CCD, Liberty-Dayton CCD, Pasadena CCD, Northeast Harris CCD, Baytown CCD, Southeast Harris CCD and Houston CCD.

Get this in your AI agent

Your agent can draw every precinct in TX-09, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

get_boundaries(id="us:congressional_district:4809", children_level="precinct", include_districts=True)