66,587 people (2024 Census estimate, +1.1% since 2020)
1,223 square miles of land · 54 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.
9 active community water systems list Starr County in the area they serve, reporting 71,229 people served in all (a system that crosses county lines counts its whole population).
| CITY OF ROMA surface water · local government · TX2140007 | 19,464 served |
| CITY OF RIO GRANDE CITY surface water · local government · TX2140018 | 18,912 served |
| CITY OF LA GRULLA surface water · local government · TX2140006 | 11,250 served |
| RIO WSC surface water · local government · TX2140016 | 6,939 served |
| UNION WSC surface water · local government · TX2140004 | 5,793 served |
| FALCON RURAL WSC surface water · local government · TX2140003 | 3,600 served |
| EL TANQUE WSC buys surface water · local government · TX2140029 | 3,000 served |
| EL SAUZ WSC buys surface water · local government · TX2140028 | 2,223 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 301 people were held in Starr County's jail, in Vera's latest figure (2026). In 2021 it was about 204.
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 Starr County. School taxes are usually the largest part of a property tax bill.
Spent $166 million — $133.4 million to run schools, about $13,835 per student, plus $23.8 million on buildings and equipment. Money in: $24.1 million local (mostly property tax), $89.4 million state, $33.5 million federal. Long-term debt: $150 million.
Spent $99.9 million — $91.4 million to run schools, about $15,298 per student, plus $5.8 million on buildings and equipment. Money in: $13.4 million local (mostly property tax), $56 million state, $35.9 million federal. Long-term debt: $58.4 million.
Spent $4.9 million — $4.8 million to run schools, about $26,431 per student, plus $101,000 on buildings and equipment. Money in: $1.7 million local (mostly property tax), $1.5 million state, $1.6 million 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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Starr County about $29.5 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.
64 bridges in Starr County: 46 in good condition, 16 fair, and 2 poor (3.1%). “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.
| LOMA BLANCA ROAD over LOS BARROSOS CREEK · built 1970 | 70 vehicles a day |
| LOMA BLANCA ROAD over DEL PUERTO CREEK · built 1940 | 70 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $84.9 million of work in Starr County in fiscal 2025, about $1,287 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 Starr 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 Starr County built: brayden.ozark@gmail.com.
More of Texas: the state government and every county in Texas.
Nearby counties: Hidalgo County (36 mi) · Jim Hogg County (36 mi) · Zapata County (42 mi) · Brooks County (48 mi) · Willacy County (71 mi) · Kenedy County (75 mi).