246,025 people (2024 Census estimate, +11.2% since 2020)
539 square miles of land · 456 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 Montgomery County in the area they serve, reporting 345,921 people served in all (a system that crosses county lines counts its whole population).
| CLARKSVILLE WATER DEPARTMENT surface water · local government · TN0000116 | 251,864 served |
| FORT CAMPBELL WATER SYSTEM surface water · federal · TN0000820 | 43,270 served |
| EAST MONTGOMERY U.D. buys surface water · local government · TN0000218 | 18,382 served |
| CUNNINGHAM UTILITY DISTRICT buys surface water · local government · TN0000167 | 16,068 served |
| WOODLAWN UTILITY DISTRICT surface water · local government · TN0000758 | 12,714 served |
| CUMBERLAND HEIGHTS U.D. buys surface water · local government · TN0000166 | 3,623 served |
| CUNNINGHAM EAST-MONTG WTP surface water · local government · TN0000929 | 0 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 450 people were held in Montgomery County's jail, in Vera's latest figure (2024), or 279 per 100,000 residents ages 15–64. In 2019 it was about 576.
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 Montgomery County. School taxes are usually the largest part of a property tax bill.
Spent $525.6 million — $412.7 million to run schools, about $10,645 per student, plus $102.3 million on buildings and equipment. Money in: $231.1 million local (mostly property tax), $233.1 million state, $74.3 million federal. Long-term debt: $281.1 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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Montgomery County about $77.8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
186 bridges in Montgomery County: 73 in good condition, 104 fair, and 9 poor (4.8%). “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.
| FAP 13 298336W over IC RR (REMOVED) · built 1956 | 17,368 vehicles a day |
| FAP 12 over BRUSH CREEK · built 1958 | 4,863 vehicles a day |
| NFA 1888 (SA 6317) over BIG MCADOO CREEK · built 1959 | 1,350 vehicles a day |
| NFA 1888 (SA 6317) over MCADOO CREEK · built 1945 | 968 vehicles a day |
| NFA 1861 over BUDDS BRANCH · built 1980 | 648 vehicles a day |
| NFA 1880 (SA 6320) over PASSENGER CREEK · built 1940 | 338 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $106.5 million of work in Montgomery County in fiscal 2025, about $484 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 Montgomery 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 Montgomery County built: brayden.ozark@gmail.com.
More of Tennessee: the state government and every county in Tennessee.
Nearby counties: Cheatham County (23 mi) · Houston County (23 mi) · Stewart County (24 mi) · Dickson County (25 mi) · Todd County, KY (26 mi) · Christian County, KY (28 mi).