25,668 people (2024 Census estimate, +3.6% since 2020)
593 square miles of land · 43 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.
15 active community water systems list Miller County in the area they serve, reporting 8,990 people served in all (a system that crosses county lines counts its whole population).
| ELDON PWS groundwater · local government · MO3010240 | 4,895 served |
| LAKE OZARK PWS groundwater · local government · MO3010441 | 2,007 served |
| IBERIA PWS groundwater · local government · MO3010396 | 700 served |
| ST ELIZABETH PWS groundwater · local government · MO3010709 | 435 served |
| BROOKVIEW APARTMENTS groundwater · private · MO3079510 | 172 served |
| MILLER COUNTY CARE CENTER groundwater · local government · MO3069010 | 150 served |
| JCRP AT THE LAKE LLC groundwater · private · MO3079537 | 150 served |
| DOOLITTLE MHP groundwater · private · MO3048097 | 100 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 100 people were held in Miller County's jail, in Vera's latest figure (2019), or 664 per 100,000 residents ages 15–64. In 2014 it was about 88.
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 Miller County. School taxes are usually the largest part of a property tax bill.
Spent $31.2 million — $24.4 million to run schools, about $11,805 per student, plus $3.9 million on buildings and equipment. Money in: $24.1 million local (mostly property tax), $5.4 million state, $5.4 million federal. Long-term debt: $53 million.
Spent $25 million — $21.4 million to run schools, about $10,723 per student, plus $2.7 million on buildings and equipment. Money in: $11.4 million local (mostly property tax), $10.2 million state, $6.1 million federal. Long-term debt: $11.1 million.
Spent $8.2 million — $8 million to run schools, about $11,876 per student, plus $121,000 on buildings and equipment. Money in: $2.7 million local (mostly property tax), $4.6 million state, $2.1 million federal. Long-term debt: $1.7 million.
Spent $3.1 million — $3 million to run schools, about $11,197 per student, plus $42,000 on buildings and equipment. Money in: $1.4 million local (mostly property tax), $1.7 million state, $206,000 federal.
Spent $3.5 million — $3.2 million to run schools, about $17,414 per student, plus $241,000 on buildings and equipment. Money in: $941,000 local (mostly property tax), $1.9 million state, $464,000 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: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Miller County about $17.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
142 bridges in Miller County: 53 in good condition, 73 fair, and 16 poor (11.3%). “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 54 E over BU 54 · built 1973 | 6,847 vehicles a day |
| MO 42 E over SPRING BR · built 1964 | 2,252 vehicles a day |
| SWINGING BR RD over GRAND AUGLAIZE · built 1920 | 250 vehicles a day |
| OLD TUSCUMBIA RD over SALINE CR · built 1930 | 100 vehicles a day |
| KLASS RD over SALINE CR · built 1930 | 90 vehicles a day |
| OLEAN RD over BLYTHES CR · built 1930 | 55 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $-3,742,473 of work in Miller County in fiscal 2025, about $-151 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 Miller 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 Miller County built: brayden.ozark@gmail.com.
More of Missouri: the state government and every county in Missouri.
Nearby counties: Cole County (21 mi) · Camden County (22 mi) · Maries County (28 mi) · Morgan County (28 mi) · Pulaski County (30 mi) · Moniteau County (30 mi).