28,159 people (2024 Census estimate, +5.2% since 2020)
1,058 square miles of land · 27 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.
17 active community water systems list Gillespie County in the area they serve, reporting 15,963 people served in all (a system that crosses county lines counts its whole population).
| CITY OF FREDERICKSBURG groundwater · local government · TX0860001 | 12,360 served |
| STONEWALL WCID groundwater · local government · TX0860104 | 726 served |
| LCRA HARPER WATER SYSTEM groundwater · local government · TX0860106 | 381 served |
| DEERWOOD SUBDIVISION groundwater · private · TX0860098 | 357 served |
| HARPER ROAD ESTATES groundwater · private · TX0860005 | 333 served |
| VINEYARD RIDGE WATER SUPPLY groundwater · private · TX0860144 | 261 served |
| NORTHWEST HILLS WATER SUPPLY groundwater · private · TX0860086 | 219 served |
| WEST OAK HEIGHTS groundwater · private · TX0860100 | 213 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 64 people were held in Gillespie County's jail, in Vera's latest figure (2026). In 2021 it was about 69.
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 Gillespie County. School taxes are usually the largest part of a property tax bill.
Spent $72.6 million — $37.5 million to run schools, about $12,131 per student, plus $8.5 million on buildings and equipment. Money in: $41.6 million local (mostly property tax), $3.5 million state, $5.4 million federal. Long-term debt: $12.1 million.
Spent $8.3 million — $7.2 million to run schools, about $12,265 per student, plus $1.1 million on buildings and equipment. Money in: $6.7 million local (mostly property tax), $1 million state, $602,000 federal.
Spent $625,000 — $582,000 to run schools, about $26,455 per student, plus $39,000 on buildings and equipment. Money in: $670,000 local (mostly property tax), $257,000 state, $45,000 federal.
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 Gillespie County about $17 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
134 bridges in Gillespie County: 76 in good condition, 57 fair, and 1 poor (0.7%). “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.
| GELLERMANN LN over PEDERNALES RIVER · built 1928 | 147 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $10.6 million of work in Gillespie County in fiscal 2025, about $396 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 Gillespie 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 Gillespie County built: brayden.ozark@gmail.com.
More of Texas: the state government and every county in Texas.
Nearby counties: Kendall County (30 mi) · Llano County (31 mi) · Kerr County (31 mi) · Mason County (32 mi) · Blanco County (33 mi) · Bandera County (43 mi).