102,156 people (2024 Census estimate, +4.6% since 2020)
566 square miles of land · 181 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.
9 active community water systems list Marshall County in the area they serve, reporting 141,900 people served in all (a system that crosses county lines counts its whole population).
| ARAB, WATER WORKS BOARD OF THE CITY OF surface water · local government · AL0000934 | 39,795 served |
| ALBERTVILLE, MUNICIPAL UB OF THE CITY OF surface water · local government · AL0000933 | 29,367 served |
| DOUGLAS WATER AUTHORITY groundwater · local government · AL0000940 | 19,179 served |
| NORTH MARSHALL UTILITIES surface water · local government · AL0000945 | 15,300 served |
| BOAZ WATER & SEWER BOARD buys surface water · local government · AL0000936 | 15,138 served |
| GUNTERSVILLE WW & SB surface water · local government · AL0000943 | 13,374 served |
| ASBURY WATER SYSTEM buys surface water · local government · AL0000935 | 4,077 served |
| UNION GROVE UTILITY BOARD buys surface water · local government · AL0000951 | 3,072 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 328 people were held in Marshall County's jail, in Vera's latest figure (2023), or 532 per 100,000 residents ages 15–64. In 2018 it was about 369.
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 $87.8 million — $78.4 million to run schools, about $13,172 per student, plus $7.2 million on buildings and equipment. Money in: $20.8 million local (mostly property tax), $48.9 million state, $18 million federal. Long-term debt: $18.4 million.
Spent $81.4 million — $63.9 million to run schools, about $10,828 per student, plus $15.6 million on buildings and equipment. Money in: $22.3 million local (mostly property tax), $47.6 million state, $21.1 million federal. Long-term debt: $49.8 million.
Spent $32.2 million — $30.9 million to run schools, about $11,637 per student, plus $621,000 on buildings and equipment. Money in: $11.2 million local (mostly property tax), $21.5 million state, $3.8 million federal. Long-term debt: $10.6 million.
Spent $35.2 million — $30.4 million to run schools, about $12,317 per student, plus $3.9 million on buildings and equipment. Money in: $11.2 million local (mostly property tax), $23.2 million state, $5 million federal. Long-term debt: $15.3 million.
Spent $55.6 million — $24.6 million to run schools, about $13,313 per student, plus $28.5 million on buildings and equipment. Money in: $13.8 million local (mostly property tax), $14.5 million state, $3.3 million 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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Marshall County about $50.2 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
171 bridges in Marshall County: 64 in good condition, 92 fair, and 15 poor (8.8%). “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.
| COUNTY HWY 1131 over SLAB CREEK · built 1958 | 850 vehicles a day |
| COCHRAN AVE. over TURKEY CREEK · built 1974 | 700 vehicles a day |
| GEORGE WALLACE DR over DRUM CREEK · built 1997 | 600 vehicles a day |
| COUNTY HWY 1415 over BERRY BRANCH · built 1951 | 280 vehicles a day |
| COUNTY HIGHWAY115 over SLAB CREEK · built 1960 | 200 vehicles a day |
| CO RD 1214 over BROCK BRANCH · built 1958 | 115 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $24.4 million of work in Marshall County in fiscal 2025, about $250 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 Alabama 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 Alabama: the state government and every county in Alabama.
Nearby counties: Etowah County (24 mi) · Blount County (27 mi) · DeKalb County (31 mi) · Morgan County (32 mi) · Cullman County (34 mi) · Madison County (34 mi).