134,222 people (2024 Census estimate, +3.1% since 2020)
452 square miles of land · 297 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.
13 active community water systems list Madison County in the area they serve, reporting 93,008 people served in all (a system that crosses county lines counts its whole population).
| ANDERSON WATER DEPARTMENT groundwater (surface-influenced) · local government · IN5248002 | 55,212 served |
| ELWOOD WATER & SEWAGE groundwater · local government · IN5248007 | 8,586 served |
| INGALLS WATER COMPANY groundwater · local government · IN5248012 | 7,600 served |
| PENDLETON WATER COMPANY groundwater · local government · IN5248019 | 5,758 served |
| ALEXANDRIA WATER DEPARTMENT groundwater · local government · IN5248001 | 5,149 served |
| CHESTERFIELD WATER DEPARTMENT groundwater · local government · IN5248004 | 2,800 served |
| LAPEL MUNICIPAL WATER COMPANY groundwater · local government · IN5248013 | 2,379 served |
| EDGEWOOD WATER DEPARTMENT groundwater · local government · IN5248006 | 2,053 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 245 people were held in Madison County's jail, in Vera's latest figure (2024), or 290 per 100,000 residents ages 15–64. In 2019 it was about 279.
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 Madison County. School taxes are usually the largest part of a property tax bill.
Spent $106.1 million — $94.7 million to run schools, about $15,276 per student, plus $10.7 million on buildings and equipment. Money in: $26.7 million local (mostly property tax), $64.7 million state, $25 million federal. Long-term debt: $109.4 million.
Spent $58.3 million — $48.9 million to run schools, about $10,980 per student, plus $6.7 million on buildings and equipment. Money in: $16.6 million local (mostly property tax), $39.4 million state, $4.1 million federal. Long-term debt: $30.4 million.
Spent $33.3 million — $28.3 million to run schools, about $9,174 per student, plus $3.2 million on buildings and equipment. Money in: $10.6 million local (mostly property tax), $22.8 million state, $2.3 million federal. Long-term debt: $21.7 million.
Spent $23.2 million — $20 million to run schools, about $13,137 per student, plus $2.3 million on buildings and equipment. Money in: $4.3 million local (mostly property tax), $14 million state, $4.4 million federal. Long-term debt: $19.8 million.
Spent $22.7 million — $19.6 million to run schools, about $13,135 per student, plus $1.6 million on buildings and equipment. Money in: $4.5 million local (mostly property tax), $15.5 million state, $3.1 million federal. Long-term debt: $16.4 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 Madison County about $34.8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
301 bridges in Madison County: 117 in good condition, 174 fair, and 10 poor (3.3%). “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.
| I-69 SB over ABANDONED RR · built 1962 | 23,226 vehicles a day |
| I-69 NB over ABANDONED RR · built 1962 | 19,634 vehicles a day |
| SR 13 over FALL CREEK · built 1957 | 6,928 vehicles a day |
| SR 9 over MUD CREEK · built 1923 | 4,331 vehicles a day |
| NEW COLUMBUS AVE over SUGAR RUN · built 1964 | 4,255 vehicles a day |
| CR 200N over INDIAN CREEK · built 1957 | 2,406 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $32.5 million of work in Madison County in fiscal 2025, about $249 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 Madison 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 Madison County built: brayden.ozark@gmail.com.
More of Indiana: the state government and every county in Indiana.
Nearby counties: Delaware County (18 mi) · Hamilton County (18 mi) · Tipton County (20 mi) · Henry County (24 mi) · Hancock County (24 mi) · Grant County (24 mi).