46,464 people (2024 Census estimate, +0.8% since 2020)
444 square miles of land · 105 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.
12 active community water systems list Marshall County in the area they serve, reporting 22,657 people served in all (a system that crosses county lines counts its whole population).
| PLYMOUTH WATER DEPARTMENT groundwater · local government · IN5250010 | 10,241 served |
| BREMEN WATER DEPARTMENT groundwater · local government · IN5250003 | 4,516 served |
| CULVER EDUCATIONAL FOUNDATION groundwater · private · IN5250004 | 1,940 served |
| BOURBON WATER DEPARTMENT groundwater · local government · IN5250002 | 1,767 served |
| ARGOS MUNICIPAL WATER PLANT groundwater · local government · IN5250001 | 1,680 served |
| CULVER WATER DEPARTMENT groundwater · local government · IN5250005 | 1,391 served |
| ANCILLA DOMINI (CONVENT) groundwater · private · IN5250016 | 680 served |
| GATEWOOD ESTATES groundwater · private · IN5250012 | 202 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 134 people were held in Marshall County's jail, in Vera's latest figure (2024), or 472 per 100,000 residents ages 15–64. In 2019 it was about 244.
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 Marshall County. School taxes are usually the largest part of a property tax bill.
Spent $50.1 million — $41.2 million to run schools, about $12,569 per student, plus $5.1 million on buildings and equipment. Money in: $16.5 million local (mostly property tax), $24.9 million state, $4.5 million federal. Long-term debt: $55.2 million.
Spent $21.5 million — $17.4 million to run schools, about $11,813 per student, plus $3.9 million on buildings and equipment. Money in: $5.7 million local (mostly property tax), $13.1 million state, $2.4 million federal. Long-term debt: $5.3 million.
Spent $13.8 million — $11.6 million to run schools, about $12,253 per student, plus $1.8 million on buildings and equipment. Money in: $3.8 million local (mostly property tax), $8.7 million state, $1.1 million federal. Long-term debt: $7.9 million.
Spent $17.8 million — $14.9 million to run schools, about $17,760 per student, plus $2.2 million on buildings and equipment. Money in: $7.6 million local (mostly property tax), $8.8 million state, $2.8 million federal. Long-term debt: $10.6 million.
Spent $9.8 million — $8.2 million to run schools, about $11,836 per student, plus $1.3 million on buildings and equipment. Money in: $3.5 million local (mostly property tax), $6.4 million state, $807,000 federal. Long-term debt: $4.1 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 Marshall County about $14.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
183 bridges in Marshall County: 102 in good condition, 75 fair, and 6 poor (3.3%). “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.
| MICHIGAN RD over CSX RR · built 1980 | 5,150 vehicles a day |
| CENTER STREET over ARMEY DITCH · built 1905 | 1,250 vehicles a day |
| RANDOLPH STREET over YELLOW RIVER · built 1976 | 1,250 vehicles a day |
| EAST 7TH ROAD over DAUSMAN DITCH · built 1970 | 100 vehicles a day |
| EAST 18 B RD over DEEP OUTLET MAIN · built 1961 | 100 vehicles a day |
| SOUTH ELM RD over DEEP OUTLET MAIN · built 1964 | 100 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $10 million of work in Marshall County in fiscal 2025, about $216 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 Indiana 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 Marshall 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 Marshall County built: brayden.ozark@gmail.com.
More of Indiana: the state government and every county in Indiana.
Nearby counties: Fulton County (19 mi) · Starke County (20 mi) · St. Joseph County (20 mi) · Kosciusko County (22 mi) · Elkhart County (28 mi) · LaPorte County (29 mi).