8,414 people (2024 Census estimate, −0.6% since 2020)
695 square miles of land · 12 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 Carroll County in the area they serve, reporting 8,309 people served in all (a system that crosses county lines counts its whole population).
| CARROLLTON PWS groundwater · local government · MO2010140 | 3,514 served |
| CARROLL COUNTY PWSD 1 groundwater · local government · MO2024105 | 3,063 served |
| NORBORNE PWS groundwater · local government · MO2010578 | 617 served |
| HALE PWS buys groundwater · local government · MO2010338 | 480 served |
| BOSWORTH PWS groundwater · local government · MO2010091 | 305 served |
| BOGARD PWS buys groundwater · local government · MO2010082 | 200 served |
| TINA PWS buys groundwater · local government · MO2010790 | 130 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 17 people were held in Carroll County's jail, in Vera's latest figure (2008), or 289 per 100,000 residents ages 15–64. In 2003 it was about 22.
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 Carroll County. School taxes are usually the largest part of a property tax bill.
Spent $12 million — $11.2 million to run schools, about $13,103 per student, plus $772,000 on buildings and equipment. Money in: $8.5 million local (mostly property tax), $4.3 million state, $1.4 million federal.
Spent $3.3 million — $3.1 million to run schools, about $18,440 per student, plus $56,000 on buildings and equipment. Money in: $1.9 million local (mostly property tax), $1.3 million state, $308,000 federal. Long-term debt: $2.9 million.
Spent $2.4 million — $2.3 million to run schools, about $15,436 per student, plus $39,000 on buildings and equipment. Money in: $1.1 million local (mostly property tax), $1.1 million state, $239,000 federal.
Spent $2.3 million — $2.1 million to run schools, about $19,486 per student, plus $110,000 on buildings and equipment. Money in: $955,000 local (mostly property tax), $944,000 state, $315,000 federal.
Spent $1.6 million — $1.5 million to run schools, about $30,604 per student, plus $107,000 on buildings and equipment. Money in: $636,000 local (mostly property tax), $793,000 state, $174,000 federal.
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 Carroll County about $9.4 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.
374 bridges in Carroll County: 109 in good condition, 200 fair, and 65 poor (17.4%). “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.
| US 24 E over GRAND RVR · built 1987 | 1,938 vehicles a day |
| N MASON ST over BNSF RR · built 1935 | 1,000 vehicles a day |
| E WASHINGTON AVE over STANDLEY BR · built 1940 | 500 vehicles a day |
| E THIRD ST over STANDLEY BR · built 1960 | 300 vehicles a day |
| W LINCOLN AVE over BRUSH CR · built 1940 | 200 vehicles a day |
| RT JJ S over WAKENDA CR · built 1961 | 186 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $7 million of work in Carroll County in fiscal 2025, about $820 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 Missouri 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 Carroll 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 Carroll County built: brayden.ozark@gmail.com.
More of Missouri: the state government and every county in Missouri.
Nearby counties: Livingston County (24 mi) · Saline County (26 mi) · Ray County (28 mi) · Chariton County (29 mi) · Lafayette County (30 mi) · Caldwell County (30 mi).