8,181 people (2024 Census estimate, −4.7% since 2020)
1,329 square miles of land · 6 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.
7 active community water systems list Dimmit County in the area they serve, reporting 9,467 people served in all (a system that crosses county lines counts its whole population).
| CITY OF CARRIZO SPRINGS groundwater · local government · TX0640002 | 5,830 served |
| CITY OF ASHERTON groundwater · local government · TX0640011 | 1,225 served |
| CARRIZO HILL WSC groundwater · local government · TX0640022 | 1,050 served |
| CITY OF BIG WELLS groundwater · local government · TX0640012 | 870 served |
| CATARINA WSC groundwater · local government · TX0640029 | 222 served |
| ESPANTOSA WATER SUPPLY groundwater · local government · TX0640030 | 210 served |
| BRUNDAGE WATER SYSTEM groundwater · local government · TX0640028 | 60 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 77 people were held in Dimmit County's jail, in Vera's latest figure (2026). In 2021 it was about 76.
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.
1 school district has its office in Dimmit County. School taxes are usually the largest part of a property tax bill.
Spent $92.3 million — $31.7 million to run schools, about $16,683 per student, plus $630,000 on buildings and equipment. Money in: $26.6 million local (mostly property tax), $2.1 million state, $8.9 million federal. Long-term debt: $35.4 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Dimmit County about $6.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very Low; social vulnerability: Very High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
74 bridges in Dimmit County: 47 in good condition, 27 fair, and 0 poor (0.0%). “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.
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $9.7 million of work in Dimmit County in fiscal 2025, about $1,124 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 Dimmit 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 Dimmit County built: brayden.ozark@gmail.com.
More of Texas: the state government and every county in Texas.
Nearby counties: Zavala County (30 mi) · Maverick County (40 mi) · La Salle County (41 mi) · Frio County (50 mi) · Webb County (53 mi) · Uvalde County (64 mi).