38,633 people (2024 Census estimate, +1.8% since 2020)
505 square miles of land · 77 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.
10 active community water systems list Montgomery County in the area they serve, reporting 21,711 people served in all (a system that crosses county lines counts its whole population).
| INDIANA AMERICAN WATER - CRAWFORDSVILLE groundwater · private · IN5254005 | 15,930 served |
| LADOGA WATER WORKS groundwater · local government · IN5254006 | 1,180 served |
| WAYNETOWN WATER WORKS groundwater · local government · IN5254013 | 953 served |
| DARLINGTON WATER groundwater · local government · IN5254003 | 860 served |
| NEW MARKET WATER WORKS groundwater · local government · IN5254008 | 765 served |
| LINDEN WATER DEPARTMENT groundwater · local government · IN5254007 | 759 served |
| INDIANA AMERICAN WATER - WAVELAND groundwater · local government · IN5254012 | 605 served |
| NEW RICHMOND WATER WORKS groundwater · local government · IN5254009 | 330 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 154 people were held in Montgomery County's jail, in Vera's latest figure (2024), or 643 per 100,000 residents ages 15–64. In 2019 it was about 204.
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.
3 school districts have their office in Montgomery County. School taxes are usually the largest part of a property tax bill.
Spent $42.6 million — $33.8 million to run schools, about $13,373 per student, plus $5.8 million on buildings and equipment. Money in: $13.2 million local (mostly property tax), $24.4 million state, $6.7 million federal. Long-term debt: $41.4 million.
Spent $31.2 million — $23.6 million to run schools, about $12,859 per student, plus $5 million on buildings and equipment. Money in: $11.8 million local (mostly property tax), $16.7 million state, $3.1 million federal. Long-term debt: $33.5 million.
Spent $27.2 million — $20.4 million to run schools, about $12,417 per student, plus $6.1 million on buildings and equipment. Money in: $10.9 million local (mostly property tax), $14.6 million state, $2.8 million federal. Long-term debt: $23.6 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 Montgomery County about $13.2 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
252 bridges in Montgomery County: 121 in good condition, 123 fair, and 8 poor (3.2%). “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.
| SR 32 over WALNUT FORK · built 1940 | 5,670 vehicles a day |
| SR 32 over MILL CREEK · built 1920 | 3,556 vehicles a day |
| SR 234 over RACCOON CREEK · built 1941 | 1,730 vehicles a day |
| CR 500S over SUGAR CREEK/UNNAMED RD · built 1972 | 320 vehicles a day |
| CR 700W over NORTH FORK OF COAL CREEK · built 1967 | 200 vehicles a day |
| W FALL CREEK RD over BRANCH OF SUGAR CREEK · built 1974 | 150 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $13 million of work in Montgomery County in fiscal 2025, about $342 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.
Registration deadlines, early voting and polling places for Indiana are on the federal site vote.gov, which links to the state's official election office.
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 Indiana: the state government and every county in Indiana.
Nearby counties: Fountain County (19 mi) · Boone County (22 mi) · Tippecanoe County (24 mi) · Parke County (24 mi) · Putnam County (26 mi) · Hendricks County (28 mi).