190,629 people (2024 Census estimate, +8.5% since 2020)
407 square miles of land · 468 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.
9 active community water systems list Hendricks County in the area they serve, reporting 85,919 people served in all (a system that crosses county lines counts its whole population).
| PLAINFIELD WATER WORKS groundwater · local government · IN5232020 | 34,477 served |
| BROWNSBURG WATER WORKS buys surface water · local government · IN5232002 | 31,250 served |
| DANVILLE WATER WORKS buys surface water · local government · IN5232004 | 10,500 served |
| PLAINFIELD RE-ENTRY EDUCATIONAL FACILITY groundwater · state · IN5232007 | 4,500 served |
| PITTSBORO WATER COMPANY buys surface water · local government · IN5232019 | 4,113 served |
| NORTH SALEM WATER CORPORATION groundwater · local government · IN5232017 | 515 served |
| TOWN OF LIZTON WATER UTILITY buys surface water · local government · IN5232026 | 488 served |
| STI-BEL MOBILE HOME PARK groundwater · private · IN5232028 | 40 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 335 people were held in Hendricks County's jail, in Vera's latest figure (2024), or 277 per 100,000 residents ages 15–64. In 2019 it was about 259.
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.
6 school districts have their office in Hendricks County. School taxes are usually the largest part of a property tax bill.
Spent $176 million — $136.2 million to run schools, about $12,922 per student, plus $26.9 million on buildings and equipment. Money in: $71.8 million local (mostly property tax), $94.6 million state, $12.1 million federal. Long-term debt: $244.1 million.
Spent $174.5 million — $126.4 million to run schools, about $12,426 per student, plus $36.1 million on buildings and equipment. Money in: $67.1 million local (mostly property tax), $88.9 million state, $9.3 million federal. Long-term debt: $215 million.
Spent $82.7 million — $58.4 million to run schools, about $9,973 per student, plus $23.4 million on buildings and equipment. Money in: $31.8 million local (mostly property tax), $43.4 million state, $5.2 million federal. Long-term debt: $126.2 million.
Spent $43.8 million — $32.5 million to run schools, about $12,334 per student, plus $9.3 million on buildings and equipment. Money in: $19 million local (mostly property tax), $24.1 million state, $2.1 million federal. Long-term debt: $19.4 million.
Spent $34.6 million — $23.1 million to run schools, about $11,770 per student, plus $10.9 million on buildings and equipment. Money in: $16.5 million local (mostly property tax), $13.9 million state, $1.1 million federal. Long-term debt: $72.1 million.
Spent $25.3 million — $19.5 million to run schools, about $12,668 per student, plus $4.3 million on buildings and equipment. Money in: $8.9 million local (mostly property tax), $14.1 million state, $1.2 million federal. Long-term debt: $22.1 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 Low compared with other U.S. counties. FEMA estimates natural hazards cost Hendricks County about $60.4 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
358 bridges in Hendricks County: 146 in good condition, 203 fair, and 9 poor (2.5%). “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.
| CR 450S over E FORK OF WHITE LICK CR · built 1900 | 5,500 vehicles a day |
| CR 1000N over DUGAN DITCH · built 1991 | 4,900 vehicles a day |
| CR 450S over BRANCH OF W FORK MILL CR · built 1935 | 875 vehicles a day |
| CR 550W over EAST FORK OF MILL CREEK · built 1965 | 325 vehicles a day |
| CR 75E over BIG PRAIRIE DITCH · built 1930 | 200 vehicles a day |
| CR 100W over MUD CREEK · built 1970 | 175 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $22.4 million of work in Hendricks County in fiscal 2025, about $128 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 Hendricks 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 Hendricks County built: brayden.ozark@gmail.com.
More of Indiana: the state government and every county in Indiana.
Nearby counties: Putnam County (20 mi) · Boone County (20 mi) · Marion County (20 mi) · Morgan County (20 mi) · Montgomery County (28 mi) · Johnson County (29 mi).