2,161 people (2024 Census estimate, +5.0% since 2020)
540 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 Keweenaw County in the area they serve, reporting 826 people served in all (a system that crosses county lines counts its whole population).
| EAGLE HARBOR TOWNSHIP groundwater · local government · MI0001920 | 300 served |
| GRANT TOWNSHIP - COPPER HARBOR groundwater · local government · MI0001630 | 200 served |
| AHMEEK buys groundwater · local government · MI0000050 | 148 served |
| HOUGHTON TOWNSHIP groundwater · local government · MI0001930 | 138 served |
| SHERMAN TOWNSHIP groundwater · local government · MI0002590 | 40 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 Keweenaw County's jail, in Vera's latest figure (2020). In 2015 it was about 4.
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.
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 Keweenaw County about $609,298 a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
12 bridges in Keweenaw County: 4 in good condition, 7 fair, and 1 poor (8.3%). “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.
| CLIFF DRIVE over GRATIOT RIVER · built 1935 | 128 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $1.6 million of work in Keweenaw County in fiscal 2025, about $782 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 Michigan 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 Keweenaw 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 Keweenaw County built: brayden.ozark@gmail.com.
More of Michigan: the state government and every county in Michigan.
Nearby counties: Houghton County (29 mi) · Baraga County (46 mi) · Ontonagon County (57 mi) · Marquette County (61 mi) · Iron County (83 mi) · Gogebic County (91 mi).