County · Michigan

Alger County, Michigan

Alger County, Michigan. Alger County had 8,641 residents in 2025 by the Census Bureau's estimate, down 2.2% since 2020, while Michigan grew 0.5%. It holds 11 places (2 cities, villages and boroughs, 8 towns and townships and 1 census-designated) and 4 census tracts. GEOID 26003.

Residents, July 2025 estimate

8,641

Census Bureau estimate (no margin published)
2020 Census count: 8,842 · ACS 2020-2024: 8,762

Median household income

$61,286

±$1,930 (90% margin)
Michigan: $72,875

Median home value

$176,200

±$10,899 (90% margin)
Michigan: $231,600

Median gross rent

$714

±$52 (90% margin)
Michigan: $1,129

How many people live in Alger County, and is it growing?

The 2020 Census counted 8,842 residents in Alger County. The Census Bureau estimates 8,641 for July 1, 2025, down 2.2% since 2020, while Michigan grew 0.5%. The 2020-2024 American Community Survey puts the population at 8,762 over 915 square miles of land.

  • July 2020→2021 −68 (8,777)
  • 2021→2022 +5 (8,782)
  • 2022→2023 −29 (8,753)
  • 2023→2024 −46 (8,707)
  • 2024→2025 −66 (8,641)
Alger County in Michigan. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureAlger CountyMichiganChange since 2015-2019
Total population8,76210,077,761−389
Households3,531±1664,076,369+524
Average household size2.19±0.102.42−0.51
Housing units6,217±284,622,236−474

Alger County's population since 2000

From 9,862 in 2000 to 8,641 in 2025: down 12.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 9,862
  • 2005 (estimate) 9,633
  • 2010 Census 9,601
  • 2015 (estimate) 9,265
  • 2020 Census 8,842
  • 2025 (estimate) 8,641

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Alger County?

Alger County holds 11 places: 2 cities, villages and boroughs (incorporated places), 8 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Munising Township with 2,759 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Alger County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Munising Townshiptownship2,8652,825±47$62,227$174,70015.9%100%
Munisingcity1,9861,975±190$59,808$117,3004.2%100%
Rock River Townshiptownship1,2311,173±176$63,235$213,80010.8%100%
Au Train Townshiptownship1,0191,165±157$64,015$246,30014.4%100%
Mathias Townshiptownship532428±116$46,985$111,5005.8%100%
Burt Township, Alger CountyGEOID 2600311960township411296±127$47,750$165,3000.0%100%
Limestone Townshiptownship392442±104$57,292$204,80010.0%100%
Onota Townshiptownship371435±105$85,875$330,50012.6%100%
Grand MaraisGEOID 2633440CDP234153±96$49,625$166,7000.0%100%
Chathamvillage193135±35$48,438$131,30015.7%100%
Grand Island TownshipGEOID 2600333380township3523±19$109,375$237,5000.0%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Alger County?

The median resident of Alger County is 49.1 years old; 14.7% are under 18 and 27.2% are 65 or older. The largest group is non-Hispanic white residents at 81.4%, then non-Hispanic Black residents at 7.6%. 1.1% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureAlger CountyMichiganChange since 2015-2019
Median age49.1±0.540.2no clear change
Under 18 years14.7%±0.5 pts21.2%–
65 years and over27.2%±0.5 pts18.6%–
Hispanic or Latino (any race)1.8%5.9%+0.2 pts
White alone, not Hispanic81.4%±0.7 pts72.4%−2.2 pts
Black or African American alone, not Hispanic7.6%±0.9 pts13.1%no clear change
Asian alone, not Hispanic0.3%±0.2 pts3.4%–
American Indian and Alaska Native alone, not Hispanic2.3%±0.5 pts0.3%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.3 pts0.0%–
Two or more races, not Hispanic5.9%±1.2 pts4.5%–
Some other race alone, not Hispanic0.7%±0.5 pts0.5%–
Born outside the United States1.1%±0.4 pts7.2%no clear change
Speak a language other than English at home (age 5+)2.8%±0.7 pts10.4%–
Civilian veterans (age 18+)8.4%±1.2 pts5.8%–
With a disability20.5%±2.4 pts14.3%–
No health insurance coverage4.3%±1.4 pts4.9%−4.0 pts
High school graduate or higher (age 25+)93.9%±1.2 pts92.1%–
Bachelor's degree or higher (age 25+)21.0%±2.3 pts32.4%+3.6 pts
Graduate or professional degree (age 25+)6.1%±1.0 pts12.7%–
Moved from another state in the past year0.3%±0.2 pts1.4%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Alger County earn?

Half of Alger County's 3,531 households earn less than $61,286 a year (±$1,930), against $72,875 in Michigan. In 2015-2019 it was $56,083 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.4% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureAlger CountyMichiganChange since 2015-2019
Median household income$61,286±$1,930$72,875no clear change
Mean household income$73,201±$3,818$98,700–
Per capita income$29,895±$1,846$40,735+$4,234
People below the poverty line10.4%±1.8 pts13.2%no clear change
Children under 18 below the poverty line5.3%±3.0 pts17.6%no clear change
Households receiving SNAP11.0%±2.9 pts13.5%–
Households with a broadband subscription85.4%±3.2 pts90.5%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Alger County?

Owners occupy 86.3% of Alger County's occupied homes and renters 13.7%. The median owner-occupied home is valued at $176,200 by its owner (±$10,899). The median renter pays $714 a month including utilities, and 16.4% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureAlger CountyMichiganChange since 2015-2019
Median home value (owner-occupied)$176,200±$10,899$231,600no clear change
Median gross rent$714±$52$1,129−$86
Renters paying 35% or more of income on rent16.4%±7.2 pts41.4%−23.0 pts
Median monthly owner costs, with a mortgage$1,249±$70$1,569–
Owner-occupied homes86.3%±2.7 pts73.2%no clear change
Housing units6,217±284,622,236−474
Homeowner vacancy rate1.1%±1.0 pts0.8%–
Rental vacancy rate6.0%±6.0 pts5.1%–
Single-family detached homes85.9%±1.7 pts72.0%–
Mobile homes6.7%±1.4 pts5.0%–
Built 2020 or later0.4%±0.3 pts1.0%–
Built 1939 or earlier15.9%±2.0 pts14.6%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Alger County building?

Builders took permits for 32 new housing units across Alger County in 2025 (32 single-family), 3.7 per 1,000 residents.

  • 2019 17 units
  • 2020 19 units
  • 2021 32 units
  • 2022 29 units
  • 2023 31 units
  • 2024 33 units
  • 2025 32 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Alger County get to work?

71.7% of Alger County's workers drive alone and 8.2% work from home. The average trip to work takes 22.9 minutes. The unemployment rate in 2020-2024 averaged 6.8%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureAlger CountyMichiganChange since 2015-2019
In the labor force (age 16+)41.3%±2.2 pts61.3%–
Unemployment rate6.8%±2.3 pts5.7%no clear change
Drove alone to work71.7%±4.6 pts74.3%–
Carpooled13.2%±3.6 pts7.9%–
Public transportation0.8%±0.8 pts0.9%–
Walked4.1%±1.7 pts2.0%–
Worked from home8.2%±2.2 pts13.5%no clear change
Mean travel time to work22.9 min±2.824.2 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Alger County's census tracts?

Alger County is divided into 4 census tracts. Among those with a reliable estimate, median household income runs from $59,792 (Tract 1) to $64,484 (Tract 2).

Census tracts of Alger County, ACS 2020-2024 5-year estimates; sort by any column
Tract 126003000100Munising (19%)3,3223,238±208$59,792$158,400$70910.4%
Tract 226003000200Munising (8%)2,5742,350±178$64,484$215,000$7289.5%
Tract 326003000300Chatham (0%)2,9463,174±207$60,513$199,000$48511.2%
Tract 990026003990000–00±11not publishednot publishednot published–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Alger County compare with Michigan's other counties?

Alger County's rank among Michigan's counties with a reliable estimate (1 = highest)
MeasureRank
Population77th of 83
Growth 2020-202581st of 83
Residents per square mile78th of 83
Median household income52nd of 83
Median home value43rd of 83
Median gross rent70th of 83
Poverty rate66th of 83
Bachelor's degree or higher52nd of 83
Median age26th of 83

Every county in Michigan

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Alger County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.