The map above shows Arizona and Utah side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Utah Geography
Land area
- Arizona has a land area of 113,655 square miles (294,366 km²), while Utah has 82,596 square miles (213,922 km²).
- Arizona's land area is 1.4 times (38%) larger than Utah's.
Total area
- Arizona: 113,985 square miles (295,220 km²) vs Utah: 84,898 square miles (219,885 km²), including inland and coastal water.
- Arizona's total area is 1.3 times (34%) larger than Utah's.
Length
- Arizona is 429 miles (690 km) long from north to south; Utah is 436 miles (702 km).
- Arizona and Utah have about the same north-south length.
Width
- Arizona spans 452 miles (727 km) east to west; Utah spans 268 miles (431 km).
- Arizona's east-west width is 1.7 times (69%) wider than Utah's.
Highest point
- Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Utah's is Kings Peak at 13,512 feet (4,118 m).
- Kings Peak is 892 feet higher than Humphreys Peak.
Lowest point
- Arizona's lowest point is Colorado River at 71 feet; Utah's is Beaver Dam Wash at 2,180 feet.
- Arizona's lowest point is 2,109 feet lower.
Arizona vs Utah Population and History
Population
- Arizona has a population of 7,582,384 (2024), while Utah has 3,503,613 (2024).
- Arizona's population is 2.2 times (116%) larger than Utah's.
Population density
- Arizona: 66.7 people per square mile vs Utah: 42.4.
- Arizona's population density is 1.6 times (57%) higher than Utah's.
Biggest city
- Arizona's biggest city is Phoenix with 1,673,164 people; Utah's is Salt Lake City with 217,783.
- Phoenix's population is 7.7 times (668%) larger than Salt Lake City's.
Largest metro area
- Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Utah's Salt Lake City-Murray, UT metro area (1,300,762).
- Phoenix-Mesa-Chandler, AZ metro area's population is 4.0 times (299%) larger than Salt Lake City-Murray, UT metro area's.
History
- Arizona: Admitted to the Union on February 14, 1912, as the 48th state.
- Utah: Admitted to the Union on January 4, 1896, as the 45th state.
- In its current form, Utah is the older of the two by 16 years.
Arizona vs Utah Economy
GDP
- Arizona's GDP is $570.1 billion (2024) vs Utah's $299.5 billion.
- Arizona's economic output is 1.9 times (90%) larger than Utah's.
GDP per capita
- Arizona: $75,186 per person vs Utah: $85,475.
- Utah's GDP per capita is 1.1 times (14%) higher than Arizona's.
Average income
- Arizona: $65,798 vs Utah: $67,333 average income per person (per capita personal income).
- Arizona and Utah have about the same average income.
Arizona vs Utah Counties
Number of counties
- Arizona has 15 counties, while Utah has 29.
- Utah's county count is 1.9 times (93%) higher than Arizona's.
Biggest county by area
- Arizona's largest county is Coconino County at 18,616 square miles; Utah's is San Juan County at 7,824 square miles.
- Coconino County's land area is 2.4 times (138%) larger than San Juan County's.
Smallest county by area
- Arizona: Santa Cruz County (1,236 sq mi) vs Utah: Davis County (325 sq mi).
- Santa Cruz County's land area is 3.8 times (281%) larger than Davis County's.
Most populous county
- Arizona: Maricopa County (4,673,096 people) vs Utah: Salt Lake County (1,216,274 people).
- Maricopa County's population is 3.8 times (284%) larger than Salt Lake County's.
Least populous county
- Arizona: Greenlee County (9,410 people) vs Utah: Daggett County (956 people).
- Greenlee County's population is 9.8 times (884%) larger than Daggett County's.
Richest county
- Arizona: Maricopa County ($72,176 per capita income) vs Utah: Summit County ($280,510).
- Summit County's income is 3.9 times (289%) richer than Maricopa County's.
Poorest county
- Arizona: Graham County ($44,164 per capita income) vs Utah: Beaver County ($39,179).
- Graham County's income is 1.1 times (13%) richer than Beaver County's.
Arizona vs Utah Taxes
State income tax
- Arizona has a top income tax rate of 2.5%, while Utah has a top income tax rate of 4.5%.
- Utah's top rate is 2 percentage points higher.
Property tax
- Arizona: 0.43% effective rate vs Utah: 0.49% of home value per year.
- Utah's rate is 0.06 percentage points higher.
Sales tax
- Arizona: 8.54% combined state and average local rate vs Utah: 7.42%.
- Arizona's combined rate is 1.12 percentage points higher.
Official Websites
Arizona official website · Utah official website
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More Size Comparisons
All Arizona size comparisons · All Utah 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.