The map above shows Arizona and Wyoming side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Wyoming Geography
Land area: Arizona has a land area of 113,655 square miles (294,366 km²), while Wyoming has 97,089 square miles (251,458 km²). Arizona's land area is 1.2 times (17%) larger than Wyoming's.
Total area: Arizona: 113,985 square miles (295,220 km²) vs Wyoming: 97,810 square miles (253,326 km²), including inland and coastal water. Arizona's total area is 1.2 times (17%) larger than Wyoming's.
Length: Arizona is 429 miles (690 km) long from north to south; Wyoming is 324 miles (522 km). Arizona's north-south length is 1.3 times (32%) longer than Wyoming's.
Width: Arizona spans 452 miles (727 km) east to west; Wyoming spans 410 miles (659 km). Arizona's east-west width is 1.1 times (10%) wider than Wyoming's.
Highest point: Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Wyoming's is Gannett Peak at 13,788 feet (4,203 m). Gannett Peak is 1,168 feet higher than Humphreys Peak.
Lowest point: Arizona's lowest point is Colorado River at 71 feet; Wyoming's is Belle Fourche River at 3,108 feet. Arizona's lowest point is 3,037 feet lower.
Arizona vs Wyoming Population and History
Population: Arizona has a population of 7,582,384 (2024), while Wyoming has 587,618 (2024). Arizona's population is 12.9 times larger than Wyoming's.
Population density: Arizona: 66.7 people per square mile vs Wyoming: 6.1. Arizona's population density is 10.9 times higher than Wyoming's.
Biggest city: Arizona's biggest city is Phoenix with 1,673,164 people; Wyoming's is Cheyenne with 65,704. Phoenix's population is 25.5 times larger than Cheyenne's.
Largest metro area: Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Wyoming's Cheyenne, WY metro area (101,783). Phoenix-Mesa-Chandler, AZ metro area's population is 51.0 times larger than Cheyenne, WY metro area's.
History: Arizona: Admitted to the Union on February 14, 1912, as the 48th state. Wyoming: Admitted to the Union on July 10, 1890, as the 44th state. In its current form, Wyoming is the older of the two by 22 years.
Arizona vs Wyoming Economy
GDP: Arizona's GDP is $570.1 billion (2024) vs Wyoming's $51.5 billion. Arizona's economic output is 11.1 times larger than Wyoming's.
GDP per capita: Arizona: $75,186 per person vs Wyoming: $87,639. Wyoming's GDP per capita is 1.2 times (17%) higher than Arizona's.
Average income: Arizona: $65,798 vs Wyoming: $86,477 average income per person (per capita personal income). Wyoming's average income is 1.3 times (31%) higher than Arizona's.
Arizona vs Wyoming Counties
Number of counties: Arizona has 15 counties, while Wyoming has 23. Wyoming's county count is 1.5 times (53%) higher than Arizona's.
Biggest county by area: Arizona's largest county is Coconino County at 18,616 square miles; Wyoming's is Sweetwater County at 10,427 square miles. Coconino County's land area is 1.8 times (79%) larger than Sweetwater County's.
Smallest county by area: Arizona: Santa Cruz County (1,236 sq mi) vs Wyoming: Hot Springs County (2,004 sq mi). Hot Springs County's land area is 1.6 times (62%) larger than Santa Cruz County's.
Most populous county: Arizona: Maricopa County (4,673,096 people) vs Wyoming: Laramie County (101,783 people). Maricopa County's population is 45.9 times larger than Laramie County's.
Least populous county: Arizona: Greenlee County (9,410 people) vs Wyoming: Niobrara County (2,301 people). Greenlee County's population is 4.1 times (309%) larger than Niobrara County's.
Richest county: Arizona: Maricopa County ($72,176 per capita income) vs Wyoming: Teton County ($532,903). Teton County's income is 7.4 times (638%) richer than Maricopa County's.
Poorest county: Arizona: Graham County ($44,164 per capita income) vs Wyoming: Uinta County ($50,370). Uinta County's income is 1.1 times (14%) richer than Graham County's.
Arizona vs Wyoming Taxes
State income tax: Arizona has a top income tax rate of 2.5%, while Wyoming has no state income tax. Arizona's top rate is 2.5 percentage points higher.
Property tax: Arizona: 0.43% effective rate vs Wyoming: 0.57% of home value per year. Wyoming's rate is 0.14 percentage points higher.
Sales tax: Arizona: 8.54% combined state and average local rate vs Wyoming: 5.39%. Arizona's combined rate is 3.15 percentage points higher.
Official Websites
Arizona official website · Wyoming official website
More Size Comparisons
All Arizona 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.