19,361 people (2024 Census estimate, −5.3% since 2020)
434 square miles of land · 45 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.
11 active community water systems list Henry County in the area they serve, reporting 23,991 people served in all (a system that crosses county lines counts its whole population).
| MOUNT PLEASANT MUNICIPAL UTILITIES groundwater · local government · IA4453016 | 9,274 served |
| RATHBUN REG WTR ASSN (BURLINGTON) buys surface water · private · IA0400902 | 8,375 served |
| NEW LONDON MUNIC WATER DEPT groundwater · local government · IA4458060 | 1,910 served |
| RATHBUN REGIONAL WATER (MOUNT PLEASANT) buys surface water · local government · IA4453901 | 1,465 served |
| WINFIELD MUNI WATER DEPT groundwater · local government · IA4493028 | 1,035 served |
| WAYLAND WATER SUPPLY groundwater · local government · IA4490091 | 966 served |
| SALEM WATER SUPPLY buys groundwater · local government · IA4478023 | 396 served |
| OLDS MUNICIPAL WATER DEPT buys surface water · local government · IA4465093 | 192 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 2 people were held in Henry County's jail, in Vera's latest figure (2019), or 15 per 100,000 residents ages 15–64. In 2014 it was about 8.
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.
4 school districts have their office in Henry County. School taxes are usually the largest part of a property tax bill.
Spent $26.1 million — $23.6 million to run schools, about $12,732 per student, plus $1.6 million on buildings and equipment. Money in: $12.2 million local (mostly property tax), $16.3 million state, $3.2 million federal. Long-term debt: $1.8 million.
Spent $12.1 million — $7.8 million to run schools, about $13,233 per student, plus $3.4 million on buildings and equipment. Money in: $3.8 million local (mostly property tax), $5 million state, $732,000 federal. Long-term debt: $7.8 million.
Spent $8 million — $6.2 million to run schools, about $12,226 per student, plus $715,000 on buildings and equipment. Money in: $3.7 million local (mostly property tax), $4.4 million state, $713,000 federal. Long-term debt: $833,000.
Spent $6 million — $4.8 million to run schools, about $12,348 per student, plus $838,000 on buildings and equipment. Money in: $2.7 million local (mostly property tax), $2.8 million state, $623,000 federal. Long-term debt: $3.2 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 Henry County about $9.7 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
173 bridges in Henry County: 71 in good condition, 66 fair, and 36 poor (20.8%). “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.
| 235TH STREET over BIG CREEK · built 1957 | 2,930 vehicles a day |
| FM over BIG CREEK · built 1959 | 1,151 vehicles a day |
| FM over EAST FORK CROOKED CREEK · built 1970 | 910 vehicles a day |
| FM over LITTLE CEDAR CREEK · built 1972 | 650 vehicles a day |
| FM over SUGAR CREEK · built 1960 | 640 vehicles a day |
| S WALNUT ST over HEATHER BRANCH · built 1973 | 628 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $5.3 million of work in Henry County in fiscal 2025, about $260 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 Iowa 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 Henry 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 Henry County built: brayden.ozark@gmail.com.
More of Iowa: the state government and every county in Iowa.
Nearby counties: Des Moines County (19 mi) · Jefferson County (22 mi) · Louisa County (22 mi) · Lee County (24 mi) · Washington County (26 mi) · Van Buren County (26 mi).