49,648 people (2024 Census estimate, +0.3% since 2020)
403 square miles of land · 123 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 Montgomery County in the area they serve, reporting 34,518 people served in all (a system that crosses county lines counts its whole population).
| AMSTERDAM (C) surface water · local government · NY2800136 | 20,700 served |
| AMSTERDAM (T) buys surface water · local government · NY2811730 | 3,000 served |
| CANAJOHARIE (V) WATER WORKS surface water · local government · NY2800137 | 2,300 served |
| FORT PLAIN (V) WATER WORKS surface water · local government · NY2800139 | 2,250 served |
| ST. JOHNSVILLE VILLAGE WATER WORKS surface water · local government · NY2800143 | 1,700 served |
| FONDA (V) WATER WORKS surface water · local government · NY2800138 | 1,080 served |
| PALATINE BRIDGE (V) WATER WORKS groundwater · local government · NY2800142 | 900 served |
| FULTONVILLE VILLAGE PWS groundwater · local government · NY2800140 | 740 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 118 people were held in Montgomery County's jail, in Vera's latest figure (2026). In 2021 it was about 75.
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.
5 school districts have their office in Montgomery County. School taxes are usually the largest part of a property tax bill.
Spent $93.6 million — $76.9 million to run schools, about $20,407 per student, plus $10.9 million on buildings and equipment. Money in: $23.1 million local (mostly property tax), $65.5 million state, $14 million federal. Long-term debt: $63.6 million.
Spent $31.8 million — $28.2 million to run schools, about $21,498 per student, plus $1.8 million on buildings and equipment. Money in: $11.6 million local (mostly property tax), $19.7 million state, $4.3 million federal. Long-term debt: $17.1 million.
Spent $24.6 million — $21.8 million to run schools, about $24,751 per student, plus $1.3 million on buildings and equipment. Money in: $8 million local (mostly property tax), $16.9 million state, $2.9 million federal. Long-term debt: $10.4 million.
Spent $28.9 million — $17.8 million to run schools, about $22,988 per student, plus $3.7 million on buildings and equipment. Money in: $5 million local (mostly property tax), $17.1 million state, $3 million federal. Long-term debt: $22.2 million.
Spent $24.6 million — $20.9 million to run schools, about $27,569 per student, plus $1.4 million on buildings and equipment. Money in: $5.8 million local (mostly property tax), $17.4 million state, $3.9 million federal. Long-term debt: $20.6 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: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Montgomery County about $19.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
204 bridges in Montgomery County: 72 in good condition, 111 fair, and 21 poor (10.3%). “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.
| RTE I90 over RTE 10 · built 2000 | 20,908 vehicles a day |
| RTE I90 over PED/BIKE PATH · built 1955 | 20,908 vehicles a day |
| RTE 67 over CHUCTANUNDA CREEK · built 1969 | 18,669 vehicles a day |
| RTE 5S over 30 30 25042004 RTE 30 · built 1960 | 7,061 vehicles a day |
| PROSPECT STREET over N CHUCTANUNDA CK · built 1912 | 3,960 vehicles a day |
| RTE 5 over CAYADUTTA CREEK · built 1938 | 3,052 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $20.6 million of work in Montgomery County in fiscal 2025, about $416 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 New York 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 New York: the state government and every county in New York.
Nearby counties: Fulton County (15 mi) · Schenectady County (21 mi) · Schoharie County (21 mi) · Albany County (32 mi) · Saratoga County (33 mi) · Otsego County (35 mi).