25,434 people (2024 Census estimate, −0.0% since 2020)
668 square miles of land · 38 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.
11 active community water systems list Hardeman County in the area they serve, reporting 14,958 people served in all (a system that crosses county lines counts its whole population).
| BOLIVAR WATER SYSTEM groundwater · local government · TN0000063 | 6,251 served |
| SPRING CREEK UTILITY DISTRICT buys groundwater · local government · TN0000664 | 2,091 served |
| WHITEVILLE WATER DEPT groundwater · local government · TN0000748 | 1,440 served |
| GRAND JUNCTION WATER DEPT groundwater · local government · TN0000267 | 1,019 served |
| MIDDLETON WATER DEPT groundwater · local government · TN0000455 | 964 served |
| HORNSBY WATER DEPT buys groundwater · local government · TN0000312 | 892 served |
| TOONE WATER SYSTEM groundwater · local government · TN0000704 | 720 served |
| GRAND VALLEY LAKES P.O.A. groundwater · private · TN0000451 | 702 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 106 people were held in Hardeman County's jail, in Vera's latest figure (2024), or 635 per 100,000 residents ages 15–64. In 2019 it was about 106.
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 Hardeman County. School taxes are usually the largest part of a property tax bill.
Spent $44 million — $39 million to run schools, about $11,701 per student, plus $4.7 million on buildings and equipment. Money in: $11.6 million local (mostly property tax), $23.3 million state, $11.9 million federal. Long-term debt: $2.1 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 Hardeman County about $14.8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Very High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
223 bridges in Hardeman County: 62 in good condition, 151 fair, and 10 poor (4.5%). “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.
| FAP 15 over OVERFLOW · built 1930 | 5,658 vehicles a day |
| FAP 15 over SPRING CREEK · built 1930 | 5,658 vehicles a day |
| FAP 125 over SPRING CREEK · built 1949 | 4,351 vehicles a day |
| FAP 100 over BRANCH · built 1961 | 2,008 vehicles a day |
| FAP 100 over OVERFLOW · built 1964 | 1,944 vehicles a day |
| FAP 100 over SHORT CREEK · built 1964 | 1,944 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $9.6 million of work in Hardeman County in fiscal 2025, about $375 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: 2026-10-14 to 2026-10-29. Mail ballot request deadline: 2026-10-24. Election Day: 2026-11-03.
Source: Tennessee Secretary of State: elections calendar · Tennessee Secretary of State: registration deadline FAQ · Tennessee Secretary of State: GoVoteTN
The budget, property tax rates, audits, local officials and offices for Hardeman 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 Hardeman County built: brayden.ozark@gmail.com.
More of Tennessee: the state government and every county in Tennessee.
Nearby counties: Fayette County (24 mi) · McNairy County (24 mi) · Chester County (25 mi) · Madison County (28 mi) · Haywood County (30 mi) · Benton County, MS (31 mi).