33,448 people (2024 Census estimate, +13.6% since 2020)
787 square miles of land · 42 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.
18 active community water systems list Grimes County in the area they serve, reporting 23,135 people served in all (a system that crosses county lines counts its whole population).
| CITY OF NAVASOTA groundwater · local government · TX0930001 | 8,068 served |
| WICKSON CREEK SUD GRIMES COUNTY groundwater · local government · TX0930003 | 4,843 served |
| DOBBIN PLANTERSVILLE WSC 2 groundwater · local government · TX0930049 | 2,766 served |
| G & W WSC groundwater · local government · TX0930048 | 1,650 served |
| TDCJ PACK UNIT groundwater · state · TX0930034 | 1,597 served |
| TDCJ LUTHER UNITS groundwater · state · TX0930033 | 1,431 served |
| B & J WATER CO groundwater · private · TX0930012 | 675 served |
| MILL CREEK ESTATES groundwater · local government · TX0930054 | 608 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 81 people were held in Grimes County's jail, in Vera's latest figure (2026). In 2021 it was about 58.
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.
4 school districts have their office in Grimes County. School taxes are usually the largest part of a property tax bill.
Spent $40.8 million — $36.6 million to run schools, about $12,279 per student, plus $1.5 million on buildings and equipment. Money in: $31.1 million local (mostly property tax), $9.5 million state, $8.4 million federal. Long-term debt: $70.9 million.
Spent $12.7 million — $11.7 million to run schools, about $12,562 per student, plus $182,000 on buildings and equipment. Money in: $10.9 million local (mostly property tax), $3 million state, $1.2 million federal. Long-term debt: $24.3 million.
Spent $7.9 million — $7.7 million to run schools, about $13,037 per student, plus $14,000 on buildings and equipment. Money in: $6.9 million local (mostly property tax), $2.4 million state, $934,000 federal. Long-term debt: $8.2 million.
Spent $7.5 million — $2.8 million to run schools, about $12,541 per student, plus $4.5 million on buildings and equipment. Money in: $2.8 million local (mostly property tax), $833,000 state, $273,000 federal. Long-term debt: $6.3 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: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Grimes County about $14.4 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
248 bridges in Grimes County: 111 in good condition, 135 fair, and 2 poor (0.8%). “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.
| SH 30 over GIBBONS CREEK · built 1951 | 6,351 vehicles a day |
| CR 179 over SULPHUR CREEK BRANCH · built 1940 | 50 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $11.3 million of work in Grimes County in fiscal 2025, about $387 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 Grimes 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 Grimes County built: brayden.ozark@gmail.com.
More of Texas: the state government and every county in Texas.
Nearby counties: Brazos County (20 mi) · Walker County (28 mi) · Madison County (29 mi) · Montgomery County (33 mi) · Washington County (34 mi) · Waller County (37 mi).