150,532 people (2024 Census estimate, +10.6% since 2020)
933 square miles of land · 161 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.
40 active community water systems list Grayson County in the area they serve, reporting 159,650 people served in all (a system that crosses county lines counts its whole population).
| CITY OF SHERMAN surface water · local government · TX0910006 | 43,645 served |
| CITY OF DENISON surface water · local government · TX0910003 | 27,500 served |
| CITY OF VAN ALSTYNE buys surface water · local government · TX0910009 | 10,644 served |
| TWO WAY SUD groundwater · local government · TX0910022 | 6,804 served |
| SOUTH GRAYSON SUD groundwater · local government · TX0910064 | 6,750 served |
| CITY OF HOWE buys surface water · local government · TX0910013 | 4,548 served |
| KENTUCKYTOWN WSC groundwater · local government · TX0910060 | 4,455 served |
| TANGLEWOOD ON TEXOMA buys surface water · private · TX0910052 | 4,341 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 348 people were held in Grayson County's jail, in Vera's latest figure (2026). In 2021 it was about 378.
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.
13 school districts have their office in Grayson County. School taxes are usually the largest part of a property tax bill.
Spent $132 million — $110.8 million to run schools, about $14,264 per student, plus $10.2 million on buildings and equipment. Money in: $72.5 million local (mostly property tax), $35.9 million state, $21 million federal. Long-term debt: $189.1 million.
Spent $73.5 million — $61.4 million to run schools, about $12,622 per student, plus $9 million on buildings and equipment. Money in: $40.2 million local (mostly property tax), $22.1 million state, $13 million federal. Long-term debt: $84.7 million.
Spent $100.3 million — $21.8 million to run schools, about $9,552 per student, plus $72.3 million on buildings and equipment. Money in: $25.3 million local (mostly property tax), $8.5 million state, $1.4 million federal. Long-term debt: $143.4 million.
Spent $23.2 million — $18.5 million to run schools, about $10,790 per student, plus $4.6 million on buildings and equipment. Money in: $15.8 million local (mostly property tax), $6.2 million state, $2.4 million federal. Long-term debt: $3.8 million.
Spent $28.2 million — $16.3 million to run schools, about $10,926 per student, plus $9.2 million on buildings and equipment. Money in: $20.2 million local (mostly property tax), $2.1 million state, $1.8 million federal. Long-term debt: $64.5 million.
Spent $16.8 million — $15.5 million to run schools, about $12,048 per student, plus $404,000 on buildings and equipment. Money in: $6.9 million local (mostly property tax), $10.9 million state, $1.2 million federal. Long-term debt: $20.7 million.
Spent $40.5 million — $22 million to run schools, about $18,979 per student, plus $15.7 million on buildings and equipment. Money in: $13.6 million local (mostly property tax), $6.5 million state, $1.2 million federal. Long-term debt: $52.7 million.
Spent $13.1 million — $11.3 million to run schools, about $11,726 per student, plus $1.1 million on buildings and equipment. Money in: $6.1 million local (mostly property tax), $8.2 million state, $542,000 federal. Long-term debt: $16.2 million.
And 5 more.
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 Grayson County about $42.6 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
508 bridges in Grayson County: 201 in good condition, 298 fair, and 9 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.
| O.B. GRONER RD over CHOCTAW CREEK · built 1982 | 969 vehicles a day |
| CRAFT RD over TRIB OF CHOCTAW CR · built 1950 | 447 vehicles a day |
| SOUTHMAYD RD over ELBA CREEK · built 1975 | 205 vehicles a day |
| SISTER GROVE RD over W PRONG SISTER GROVE CK · built 1988 | 195 vehicles a day |
| WHITNEY RD over CALF CREEK · built 1988 | 190 vehicles a day |
| CALF CREEK RD over CALF CREEK · built 1990 | 152 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $23.6 million of work in Grayson County in fiscal 2025, about $174 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 Grayson 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 Grayson County built: brayden.ozark@gmail.com.
More of Texas: the state government and every county in Texas.
Nearby counties: Marshall County, OK (28 mi) · Collin County (30 mi) · Cooke County (31 mi) · Fannin County (33 mi) · Bryan County, OK (33 mi) · Denton County (39 mi).