The map above shows Arizona and Delaware side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Delaware Geography
Land area: Arizona has a land area of 113,655 square miles (294,366 km²), while Delaware has 1,949 square miles (5,047 km²). Arizona's land area is 58.3 times larger than Delaware's.
Total area: Arizona: 113,985 square miles (295,220 km²) vs Delaware: 2,489 square miles (6,446 km²), including inland and coastal water. Arizona's total area is 45.8 times larger than Delaware's.
Length: Arizona is 429 miles (690 km) long from north to south; Delaware is 98 miles (158 km). Arizona's north-south length is 4.4 times (338%) longer than Delaware's.
Width: Arizona spans 452 miles (727 km) east to west; Delaware spans 96 miles (155 km). Arizona's east-west width is 4.7 times (371%) wider than Delaware's.
Highest point: Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Delaware's is Ebright Azimuth at 450 feet (137 m). Humphreys Peak is 12,170 feet higher than Ebright Azimuth.
Lowest point: Arizona's lowest point is Colorado River at 71 feet; Delaware's is Atlantic Ocean at 0 feet. Delaware's lowest point is 71 feet lower.
Arizona vs Delaware Population and History
Population: Arizona has a population of 7,582,384 (2024), while Delaware has 1,051,917 (2024). Arizona's population is 7.2 times (621%) larger than Delaware's.
Population density: Arizona: 66.7 people per square mile vs Delaware: 539.9. Delaware's population density is 8.1 times (709%) higher than Arizona's.
Biggest city: Arizona's biggest city is Phoenix with 1,673,164 people; Delaware's is Wilmington with 73,176. Phoenix's population is 22.9 times larger than Wilmington's.
Largest metro area: Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Delaware's Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area (6,330,422). Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area's population is 1.2 times (22%) larger than Phoenix-Mesa-Chandler, AZ metro area's.
History: Arizona: Admitted to the Union on February 14, 1912, as the 48th state. Delaware: Admitted to the Union on December 7, 1787, as the 1st state. In its current form, Delaware is the older of the two by 125 years.
Arizona vs Delaware Economy
GDP: Arizona's GDP is $570.1 billion (2024) vs Delaware's $111.0 billion. Arizona's economic output is 5.1 times (414%) larger than Delaware's.
GDP per capita: Arizona: $75,186 per person vs Delaware: $105,495. Delaware's GDP per capita is 1.4 times (40%) higher than Arizona's.
Average income: Arizona: $65,798 vs Delaware: $68,061 average income per person (per capita personal income). Arizona and Delaware have about the same average income.
Arizona vs Delaware Counties
Number of counties: Arizona has 15 counties, while Delaware has 3. Arizona's county count is 5.0 times (400%) higher than Delaware's.
Biggest county by area: Arizona's largest county is Coconino County at 18,616 square miles; Delaware's is Sussex County at 936 square miles. Coconino County's land area is 19.9 times larger than Sussex County's.
Smallest county by area: Arizona: Santa Cruz County (1,236 sq mi) vs Delaware: New Castle County (426 sq mi). Santa Cruz County's land area is 2.9 times (190%) larger than New Castle County's.
Most populous county: Arizona: Maricopa County (4,673,096 people) vs Delaware: New Castle County (588,093 people). Maricopa County's population is 7.9 times (695%) larger than New Castle County's.
Least populous county: Arizona: Greenlee County (9,410 people) vs Delaware: Kent County (192,690 people). Kent County's population is 20.5 times larger than Greenlee County's.
Richest county: Arizona: Maricopa County ($72,176 per capita income) vs Delaware: Sussex County ($73,647). Maricopa County and Sussex County have about the same income.
Poorest county: Arizona: Graham County ($44,164 per capita income) vs Delaware: Kent County ($55,474). Kent County's income is 1.3 times (26%) richer than Graham County's.
Arizona vs Delaware Taxes
State income tax: Arizona has a top income tax rate of 2.5%, while Delaware has a top income tax rate of 6.6%. Delaware's top rate is 4.1 percentage points higher.
Property tax: Arizona: 0.43% effective rate vs Delaware: 0.47% of home value per year. Delaware's rate is 0.04 percentage points higher.
Sales tax: Arizona: 8.54% combined state and average local rate vs Delaware: 0%. Arizona's combined rate is 8.54 percentage points higher.
Official Websites
Arizona official website · Delaware official website
More Size Comparisons
All Arizona size comparisons · All Delaware 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.