3,966 people (2024 Census estimate, −4.7% since 2020)
3,439 square miles of land · 1 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.
4 active community water systems list Hidalgo County in the area they serve, reporting 3,741 people served in all (a system that crosses county lines counts its whole population).
| LORDSBURG WATER SUPPLY SYSTEM groundwater · local government · NM3522812 | 3,298 served |
| GLEN ACRES WATER COOP buys groundwater · private · NM3556212 | 180 served |
| VIRDEN WATER SYSTEM groundwater · local government · NM3500112 | 145 served |
| RODEO MDW & MSWA groundwater · local government · NM3522912 | 118 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 79 people were held in Hidalgo County's jail, in Vera's latest figure (2023), or 3,367 per 100,000 residents ages 15–64. In 2018 it was about 55.
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.
2 school districts have their office in Hidalgo County. School taxes are usually the largest part of a property tax bill.
Spent $10.3 million — $8.7 million to run schools, about $20,358 per student, plus $1.2 million on buildings and equipment. Money in: $1.6 million local (mostly property tax), $7.3 million state, $2.4 million federal. Long-term debt: $7 million.
Spent $4.3 million — $3.7 million to run schools, about $25,390 per student, plus $563,000 on buildings and equipment. Money in: $219,000 local (mostly property tax), $3.5 million state, $381,000 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Hidalgo County about $3.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
58 bridges in Hidalgo County: 10 in good condition, 45 fair, and 3 poor (5.2%). “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.
| I-10 EBL/WBL over UNNAMED WATERWAY · built 1972 | 7,619 vehicles a day |
| L-00021 over I-10 EBL and WBL · built 1972 | 2,604 vehicles a day |
| NM-92 over MOORE CANYON · built 1949 | 167 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $8.2 million of work in Hidalgo County in fiscal 2025, about $1,957 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.
Registration deadlines, early voting and polling places for New Mexico are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for Hidalgo 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 Hidalgo County built: brayden.ozark@gmail.com.
More of New Mexico: the state government and every county in New Mexico.
Nearby counties: Cochise County, AZ (60 mi) · Grant County (62 mi) · Luna County (62 mi) · Greenlee County, AZ (97 mi) · Graham County, AZ (97 mi) · Doña Ana County (117 mi).