The map above shows Idaho and Michigan side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Michigan Geography
Land area
- Idaho has a land area of 82,645 square miles (214,051 km²), while Michigan has 56,611 square miles (146,622 km²).
- Idaho's land area is 1.5 times (46%) larger than Michigan's.
Total area
- Idaho: 83,569 square miles (216,441 km²) vs Michigan: 96,713 square miles (250,486 km²), including inland and coastal water.
- Michigan's total area is 1.2 times (16%) larger than Idaho's.
Length
- Idaho is 483 miles (778 km) long from north to south; Michigan is 489 miles (786 km).
- Idaho and Michigan have about the same north-south length.
Width
- Idaho spans 352 miles (566 km) east to west; Michigan spans 453 miles (728 km).
- Michigan's east-west width is 1.3 times (29%) wider than Idaho's.
Highest point
- Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Michigan's is Mount Arvon at 2,014 feet (614 m).
- Borah Peak is 10,617 feet higher than Mount Arvon.
Lowest point
- Idaho's lowest point is Snake River at 718 feet; Michigan's is Lake Erie at 571 feet.
- Michigan's lowest point is 147 feet lower.
Idaho vs Michigan Population and History
Population
- Idaho has a population of 2,001,619 (2024), while Michigan has 10,140,459 (2024).
- Michigan's population is 5.1 times (407%) larger than Idaho's.
Population density
- Idaho: 24.2 people per square mile vs Michigan: 179.1.
- Michigan's population density is 7.4 times (640%) higher than Idaho's.
Biggest city
- Idaho's biggest city is Boise with 237,963 people; Michigan's is Detroit with 645,705.
- Detroit's population is 2.7 times (171%) larger than Boise's.
Largest metro area
- Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs Michigan's Detroit-Warren-Dearborn, MI metro area (4,400,578).
- Detroit-Warren-Dearborn, MI metro area's population is 5.2 times (420%) larger than Boise City, ID metro area's.
History
- Idaho: Admitted to the Union on July 3, 1890, as the 43rd state.
- Michigan: Admitted to the Union on January 26, 1837, as the 26th state.
- In its current form, Michigan is the older of the two by 53 years.
Idaho vs Michigan Economy
GDP
- Idaho's GDP is $129.0 billion (2024) vs Michigan's $702.5 billion.
- Michigan's economic output is 5.4 times (445%) larger than Idaho's.
GDP per capita
- Idaho: $64,457 per person vs Michigan: $69,274.
- Michigan's GDP per capita is 1.1 times (7%) higher than Idaho's.
Average income
- Idaho: $62,323 vs Michigan: $63,690 average income per person (per capita personal income).
- Idaho and Michigan have about the same average income.
Idaho vs Michigan Counties
Number of counties
- Idaho has 44 counties, while Michigan has 83.
- Michigan's county count is 1.9 times (89%) higher than Idaho's.
Biggest county by area
- Idaho's largest county is Idaho County at 8,478 square miles; Michigan's is Marquette County at 1,809 square miles.
- Idaho County's land area is 4.7 times (369%) larger than Marquette County's.
Smallest county by area
- Idaho: Payette County (407 sq mi) vs Michigan: Benzie County (320 sq mi).
- Payette County's land area is 1.3 times (27%) larger than Benzie County's.
Most populous county
- Idaho: Ada County (535,799 people) vs Michigan: Wayne County (1,771,063 people).
- Wayne County's population is 3.3 times (231%) larger than Ada County's.
Least populous county
- Idaho: Clark County (794 people) vs Michigan: Keweenaw County (2,161 people).
- Keweenaw County's population is 2.7 times (172%) larger than Clark County's.
Richest county
- Idaho: Blaine County ($202,612 per capita income) vs Michigan: Oakland County ($93,579).
- Blaine County's income is 2.2 times (117%) richer than Oakland County's.
Poorest county
- Idaho: Madison County ($29,485 per capita income) vs Michigan: Lake County ($39,505).
- Lake County's income is 1.3 times (34%) richer than Madison County's.
Idaho vs Michigan Taxes
State income tax
- Idaho has a top income tax rate of 5.3%, while Michigan has a top income tax rate of 4.25%.
- Idaho's top rate is 1.05 percentage points higher.
Property tax
- Idaho: 0.43% effective rate vs Michigan: 1.18% of home value per year.
- Michigan's rate is 0.75 percentage points higher.
Sales tax
- Idaho: 6.03% combined state and average local rate vs Michigan: 6%.
- Idaho's combined rate is 0.03 percentage points higher.
Official Websites
Idaho official website · Michigan official website
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More Size Comparisons
All Idaho size comparisons · All Michigan size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.