11,594 people (2024 Census estimate, −3.6% since 2020)
3,105 square miles of land · 4 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.
5 active community water systems list Koochiching County in the area they serve, reporting 7,092 people served in all (a system that crosses county lines counts its whole population).
| International Falls surface water · local government · MN1360002 | 5,637 served |
| Ranier buys surface water · local government · MN1360006 | 565 served |
| Littlefork groundwater · local government · MN1360004 | 542 served |
| Big Falls groundwater · local government · MN1360001 | 192 served |
| Northome groundwater · local government · MN1360005 | 156 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 19 people were held in Koochiching County's jail, in Vera's latest figure (2021), or 273 per 100,000 residents ages 15–64. In 2016 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.
3 school districts have their office in Koochiching County. School taxes are usually the largest part of a property tax bill.
Spent $15.6 million — $13.7 million to run schools, about $15,310 per student, plus $509,000 on buildings and equipment. Money in: $4.9 million local (mostly property tax), $8.4 million state, $2.8 million federal. Long-term debt: $4.1 million.
Spent $7.8 million — $5.7 million to run schools, about $17,399 per student, plus $1.3 million on buildings and equipment. Money in: $1.5 million local (mostly property tax), $4.5 million state, $253,000 federal. Long-term debt: $5.7 million.
Spent $7.7 million — $6.4 million to run schools, about $24,200 per student, plus $909,000 on buildings and equipment. Money in: $1.7 million local (mostly property tax), $4.8 million state, $418,000 federal. Long-term debt: $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 Koochiching County about $8.8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
98 bridges in Koochiching County: 51 in good condition, 41 fair, and 6 poor (6.1%). “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.
| US 71 over LITTLE FORK RIVER · built 1980 | 1,458 vehicles a day |
| US 53 over RAINY RIVER · built 1912 | 703 vehicles a day |
| CSAH 98 over RAT ROOT RIVER · built 1967 | 110 vehicles a day |
| CR 101 over BLACK RIVER · built 1922 | 97 vehicles a day |
| CR 145 over RAT ROOT RIVER · built 1963 | 44 vehicles a day |
| CR 61 over DINNER CREEK · built 1993 | 10 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $5.8 million of work in Koochiching County in fiscal 2025, about $477 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 Minnesota 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 Koochiching 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 Koochiching County built: brayden.ozark@gmail.com.
More of Minnesota: the state government and every county in Minnesota.
Nearby counties: Itasca County (53 mi) · Beltrami County (62 mi) · Lake of the Woods County (63 mi) · St. Louis County (74 mi) · Clearwater County (86 mi) · Cass County (93 mi).