32,546 people (2024 Census estimate, +8.0% since 2020)
646 square miles of land · 50 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
21 active community water systems list Austin County in the area they serve, reporting 20,266 people served in all (a system that crosses county lines counts its whole population).
| CITY OF SEALY groundwater · local government · TX0080002 | 6,839 served |
| CITY OF BELLVILLE groundwater · local government · TX0080001 | 4,206 served |
| WEST END WSC groundwater · local government · TX0080005 | 2,910 served |
| CITY OF WALLIS groundwater · local government · TX0080015 | 1,292 served |
| AUSTIN COUNTY WSC 1 groundwater · local government · TX0080040 | 1,080 served |
| AUSTIN COUNTY WSC 4 groundwater · local government · TX0080043 | 681 served |
| CITY OF BRAZOS COUNTRY groundwater · local government · TX0080025 | 579 served |
| AUSTIN COUNTY WSC 2 groundwater · local government · TX0080041 | 576 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 62 people were held in Austin County's jail, in Vera's latest figure (2026). In 2021 it was about 23.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
3 school districts have their office in Austin County. School taxes are usually the largest part of a property tax bill.
Spent $37.7 million — $32.3 million to run schools, about $11,109 per student, plus $2.2 million on buildings and equipment. Money in: $22.3 million local (mostly property tax), $12.7 million state, $5.3 million federal. Long-term debt: $46.7 million.
Spent $33.4 million — $26.7 million to run schools, about $11,866 per student, plus $5.8 million on buildings and equipment. Money in: $21.5 million local (mostly property tax), $8 million state, $4.5 million federal. Long-term debt: $13.1 million.
Spent $14.4 million — $11.2 million to run schools, about $13,193 per student, plus $2.6 million on buildings and equipment. Money in: $6.9 million local (mostly property tax), $6.2 million state, $1.6 million federal. Long-term debt: $10.9 million.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Austin County about $14.5 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
218 bridges in Austin County: 143 in good condition, 71 fair, and 4 poor (1.8%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| MIXVILLE RD over ALLENS CREEK · built 1983 | 121 vehicles a day |
| MILL CREEK RD over MILL CREEK · built 1983 | 81 vehicles a day |
| MILL CREEK RD over SANDY CREEK · built 2003 | 58 vehicles a day |
| FRANTZ RD over SAN BERNARD RIVER · built 2005 | 50 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $700,612 of work in Austin County in fiscal 2025, about $23 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
General election: Tuesday, November 3, 2026. Last day to register to vote: 2026-10-05. Early voting: 2026-10-19 to 2026-10-30. Mail ballot application must be received: 2026-10-23. Election Day: 2026-11-03.
Source: Texas Secretary of State, Sept. 28, 2026 · VoteTexas.gov — early voting · VoteTexas.gov
The budget, property tax rates, audits, local officials and offices for Austin County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have Austin County built: brayden.ozark@gmail.com.
More of Texas: the state government and every county in Texas.
Nearby counties: Waller County (19 mi) · Washington County (24 mi) · Colorado County (25 mi) · Fayette County (39 mi) · Fort Bend County (39 mi) · Wharton County (42 mi).