10,499 people (2024 Census estimate, +1.4% since 2020)
470 square miles of land · 22 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.
4 active community water systems list Ralls County in the area they serve, reporting 15,813 people served in all (a system that crosses county lines counts its whole population).
| RALLS COUNTY PWSD 1 groundwater · local government · MO2024499 | 7,662 served |
| CANNON PWSD 1 buys surface water · local government · MO2024500 | 6,482 served |
| NEW LONDON PWS buys surface water · local government · MO2010569 | 975 served |
| PERRY PWS buys surface water · local government · MO2010635 | 694 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 0 people were held in Ralls County's jail, in Vera's latest figure (1978). In 1970 it was about 0.
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.
1 school district has its office in Ralls County. School taxes are usually the largest part of a property tax bill.
Spent $11.5 million — $8.9 million to run schools, about $10,693 per student, plus $2.1 million on buildings and equipment. Money in: $5 million local (mostly property tax), $4.3 million state, $1.2 million federal. Long-term debt: $11.4 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Ralls County about $8.3 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.
136 bridges in Ralls County: 39 in good condition, 86 fair, and 11 poor (8.1%). “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.
| RT HH E over BR OF BEAR CR · built 1974 | 298 vehicles a day |
| MONKEYRUN TR 071 over MARBLE CR · built 1900 | 200 vehicles a day |
| FLINTHILL RD 077 over BRANCH · built 1970 | 150 vehicles a day |
| PUBLIC RD over BRANCH · built 1982 | 150 vehicles a day |
| BRIDGEWATER LN over HAYS CR · built 1920 | 50 vehicles a day |
| LONGSPUR RD 275 over BR OF SPENCER CR · built 1992 | 50 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $6.8 million of work in Ralls County in fiscal 2025, about $660 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 Ralls 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 Ralls County built: brayden.ozark@gmail.com.
More of Missouri: the state government and every county in Missouri.
Nearby counties: Marion County (18 mi) · Pike County (24 mi) · Monroe County (26 mi) · Audrain County (29 mi) · Pike County, IL (34 mi) · Shelby County (34 mi).