The map above shows Iowa and Wyoming side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Iowa vs Wyoming Geography
Land area
- Iowa has a land area of 55,854 square miles (144,660 km²), while Wyoming has 97,089 square miles (251,458 km²).
- Wyoming's land area is 1.7 times (74%) larger than Iowa's.
Total area
- Iowa: 56,273 square miles (145,746 km²) vs Wyoming: 97,810 square miles (253,326 km²), including inland and coastal water.
- Wyoming's total area is 1.7 times (74%) larger than Iowa's.
Length
- Iowa is 216 miles (347 km) long from north to south; Wyoming is 324 miles (522 km).
- Wyoming's north-south length is 1.5 times (50%) longer than Iowa's.
Width
- Iowa spans 335 miles (539 km) east to west; Wyoming spans 410 miles (659 km).
- Wyoming's east-west width is 1.2 times (22%) wider than Iowa's.
Highest point
- Iowa's highest point is Hawkeye Point at 1,669 feet (509 m); Wyoming's is Gannett Peak at 13,788 feet (4,203 m).
- Gannett Peak is 12,119 feet higher than Hawkeye Point.
Lowest point
- Iowa's lowest point is Mississippi River at 480 feet; Wyoming's is Belle Fourche River at 3,108 feet.
- Iowa's lowest point is 2,628 feet lower.
Iowa vs Wyoming Population and History
Population
- Iowa has a population of 3,241,488 (2024), while Wyoming has 587,618 (2024).
- Iowa's population is 5.5 times (452%) larger than Wyoming's.
Population density
- Iowa: 58.0 people per square mile vs Wyoming: 6.1.
- Iowa's population density is 9.5 times (851%) higher than Wyoming's.
Biggest city
- Iowa's biggest city is Des Moines with 213,096 people; Wyoming's is Cheyenne with 65,704.
- Des Moines' population is 3.2 times (224%) larger than Cheyenne's.
Largest metro area
- Iowa's largest metropolitan area is Omaha, NE-IA metro area (1,001,010 people) vs Wyoming's Cheyenne, WY metro area (101,783).
- Omaha, NE-IA metro area's population is 9.8 times (883%) larger than Cheyenne, WY metro area's.
History
- Iowa: Admitted to the Union on December 28, 1846, as the 29th state.
- Wyoming: Admitted to the Union on July 10, 1890, as the 44th state.
- In its current form, Iowa is the older of the two by 44 years.
Iowa vs Wyoming Economy
GDP
- Iowa's GDP is $265.8 billion (2024) vs Wyoming's $51.5 billion.
- Iowa's economic output is 5.2 times (416%) larger than Wyoming's.
GDP per capita
- Iowa: $81,998 per person vs Wyoming: $87,639.
- Wyoming's GDP per capita is 1.1 times (7%) higher than Iowa's.
Average income
- Iowa: $65,225 vs Wyoming: $86,477 average income per person (per capita personal income).
- Wyoming's average income is 1.3 times (33%) higher than Iowa's.
Iowa vs Wyoming Counties
Number of counties
- Iowa has 99 counties, while Wyoming has 23.
- Iowa's county count is 4.3 times (330%) higher than Wyoming's.
Biggest county by area
- Iowa's largest county is Kossuth County at 973 square miles; Wyoming's is Sweetwater County at 10,427 square miles.
- Sweetwater County's land area is 10.7 times larger than Kossuth County's.
Smallest county by area
- Iowa: Dickinson County (381 sq mi) vs Wyoming: Hot Springs County (2,004 sq mi).
- Hot Springs County's land area is 5.3 times (427%) larger than Dickinson County's.
Most populous county
- Iowa: Polk County (516,185 people) vs Wyoming: Laramie County (101,783 people).
- Polk County's population is 5.1 times (407%) larger than Laramie County's.
Least populous county
- Iowa: Adams County (3,606 people) vs Wyoming: Niobrara County (2,301 people).
- Adams County's population is 1.6 times (57%) larger than Niobrara County's.
Richest county
- Iowa: Mitchell County ($98,211 per capita income) vs Wyoming: Teton County ($532,903).
- Teton County's income is 5.4 times (443%) richer than Mitchell County's.
Poorest county
- Iowa: Decatur County ($46,134 per capita income) vs Wyoming: Uinta County ($50,370).
- Uinta County's income is 1.1 times (9%) richer than Decatur County's.
Iowa vs Wyoming Taxes
State income tax
- Iowa has a top income tax rate of 3.8%, while Wyoming has no state income tax.
- Iowa's top rate is 3.8 percentage points higher.
Property tax
- Iowa: 1.29% effective rate vs Wyoming: 0.57% of home value per year.
- Iowa's rate is 0.72 percentage points higher.
Sales tax
- Iowa: 6.94% combined state and average local rate vs Wyoming: 5.39%.
- Iowa's combined rate is 1.55 percentage points higher.
Official Websites
Iowa official website · Wyoming official website
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More Size Comparisons
All Iowa size comparisons · All Wyoming 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.