7,307 people (2024 Census estimate, −1.7% since 2020)
400 square miles of land · 18 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.
7 active community water systems list Worth County in the area they serve, reporting 4,533 people served in all (a system that crosses county lines counts its whole population).
| NORTHWOOD WATERWORKS groundwater · local government · IA9855077 | 2,072 served |
| MANLY WATER SUPPLY groundwater · local government · IA9845024 | 1,266 served |
| FERTILE MUNICIPAL WATER groundwater · local government · IA9820010 | 306 served |
| KENSETT WATER SUPPLY groundwater · local government · IA9840018 | 257 served |
| GRAFTON WATER SUPPLY groundwater · local government · IA9825097 | 218 served |
| JOICE WATER SUPPLY groundwater · local government · IA9835001 | 208 served |
| HANLONTOWN WATER SUPPLY SYSTEM groundwater · local government · IA9830001 | 206 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 Worth County's jail, in Vera's latest figure (2021), or 55 per 100,000 residents ages 15–64. In 2016 it was about 5.
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.
2 school districts have their office in Worth County. School taxes are usually the largest part of a property tax bill.
Spent $13.4 million — $10.4 million to run schools, about $12,820 per student, plus $1.3 million on buildings and equipment. Money in: $6.7 million local (mostly property tax), $6.6 million state, $1.1 million federal.
Spent $8.9 million — $7.3 million to run schools, about $12,357 per student, plus $1.1 million on buildings and equipment. Money in: $5.2 million local (mostly property tax), $4 million state, $603,000 federal. Long-term debt: $8.2 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 Worth County about $7 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
116 bridges in Worth County: 44 in good condition, 55 fair, and 17 poor (14.7%). “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.
| CENTRAL AVE N over SHELLROCK RIVER · built 1950 | 1,868 vehicles a day |
| 390TH over SHELLROCK RIVER · built 1958 | 363 vehicles a day |
| DOGWOOD over STREAM · built 1959 | 236 vehicles a day |
| DOGWOOD over DRAINAGE DITCH · built 1972 | 236 vehicles a day |
| BALSAM over BEAVER CREEK · built 1977 | 216 vehicles a day |
| MALLARD AVE over DRAINAGE DITCH · built 1973 | 216 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $1.5 million of work in Worth County in fiscal 2025, about $197 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 Worth 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 Worth County built: brayden.ozark@gmail.com.
More of Iowa: the state government and every county in Iowa.
Nearby counties: Cerro Gordo County (21 mi) · Freeborn County, MN (21 mi) · Mitchell County (23 mi) · Winnebago County (25 mi) · Mower County, MN (32 mi) · Floyd County (32 mi).