Alger County, Michigan
county in Michigan, United States
Alger County ( AL-jər) is a county in the Upper Peninsula of the U.S. state of Michigan. As of the 2020 Census, the population was 8,842. It is the state's second-largest county by area, including the waters of Lake Superior. The county seat is Munising. Alger County is home to Pictured Rocks National Lakeshore, which features rock formations, waterfalls, and sand dunes along the shore of Lake Superior. Much of the county is also part of the Hiawatha National Forest.
History
Alger County was detached from Schoolcraft County, set off and organized in 1885.
The county was named for lumber baron Russell Alexander Alger, who was elected as a Michigan Governor, and US Senator, and appointed as US Secretary of War during the William McKinley Presidential administration. See also, List of Michigan county name etymologies, List of Michigan counties, and List of abolished U.S. counties.
Geography
According to the U.S. Census Bureau, the county has a total area of 5,048 square miles (13,070 km2), of which 915 square miles (2,370 km2) is land and 4,133 square miles (10,700 km2) (82%) is water.
This brief starts where responsible research should: with the source description of “Alger County, Michigan” as county in Michigan, United States. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as county in Michigan, United States. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q486210. VIAF identifies the subject as 143109538. The Library of Congress control number is n83209799. Authority coordinates are 47.160, -86.480. 4 of 5 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020 and 1885.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Alger County, Michigan”, its source revision and the description used here.
- Expand the search: follow Alger County, Michigan primary sources, Alger County, Michigan archive and Alger research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Alger County, Michigan”?
- Which earlier names or jurisdictions may reveal additional records?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “Alger County, Michigan” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.