20,783 people (2024 Census estimate, +4.1% since 2020)
314 square miles of land · 66 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.
7 active community water systems list Smith County in the area they serve, reporting 23,120 people served in all (a system that crosses county lines counts its whole population).
| SMITH UTILITY DISTRICT surface water · local government · TN0000636 | 8,466 served |
| SOUTH SIDE U.D. #1 buys surface water · local government · TN0000904 | 4,431 served |
| CARTHAGE WATER SYSTEM surface water · local government · TN0000095 | 3,950 served |
| CORDELL HULL UTILITY DISTRICT buys surface water · local government · TN0000096 | 3,220 served |
| TWENTY FIVE UTILITY DISTRICT buys surface water · local government · TN0000718 | 2,159 served |
| SOUTH SIDE U.D. #2 buys surface water · local government · TN0000910 | 702 served |
| SOUTH SIDE U.D. #3 buys surface water · local government · TN0000953 | 192 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 113 people were held in Smith County's jail, in Vera's latest figure (2024), or 855 per 100,000 residents ages 15–64. In 2019 it was about 143.
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 Smith County. School taxes are usually the largest part of a property tax bill.
Spent $34.8 million — $31.6 million to run schools, about $10,329 per student, plus $2.5 million on buildings and equipment. Money in: $9.6 million local (mostly property tax), $20.7 million state, $5.2 million federal. Long-term debt: $2.8 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Smith County about $9.6 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
202 bridges in Smith County: 114 in good condition, 69 fair, and 19 poor (9.4%). “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.
| I40 349207A over CSX RR & COUNTY ROAD · built 1962 | 44,898 vehicles a day |
| I40 over BOLLING BRANCH & PRIV. R · built 1962 | 44,898 vehicles a day |
| I40 over CANEY FORK RIVER · built 1962 | 44,898 vehicles a day |
| I40 over CANEY FORK RIVER · built 1962 | 44,898 vehicles a day |
| I40 over CANEY FORK RIVER · built 1962 | 44,898 vehicles a day |
| FAU 5696 over CUMBERLAND RIVER · built 1934 | 6,931 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $68.3 million of work in Smith County in fiscal 2025, about $3,432 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 Smith 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 Smith County built: brayden.ozark@gmail.com.
More of Tennessee: the state government and every county in Tennessee.
Nearby counties: Trousdale County (15 mi) · Jackson County (16 mi) · Macon County (20 mi) · DeKalb County (20 mi) · Wilson County (21 mi) · Putnam County (26 mi).