The map above shows Arizona and Pennsylvania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Pennsylvania Geography
Land area
- Arizona has a land area of 113,655 square miles (294,366 km²), while Pennsylvania has 44,742 square miles (115,882 km²).
- Arizona's land area is 2.5 times (154%) larger than Pennsylvania's.
Total area
- Arizona: 113,985 square miles (295,220 km²) vs Pennsylvania: 46,054 square miles (119,279 km²), including inland and coastal water.
- Arizona's total area is 2.5 times (148%) larger than Pennsylvania's.
Length
- Arizona is 429 miles (690 km) long from north to south; Pennsylvania is 284 miles (458 km).
- Arizona's north-south length is 1.5 times (51%) longer than Pennsylvania's.
Width
- Arizona spans 452 miles (727 km) east to west; Pennsylvania spans 307 miles (495 km).
- Arizona's east-west width is 1.5 times (47%) wider than Pennsylvania's.
Highest point
- Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Pennsylvania's is Mount Davis at 3,210 feet (978 m).
- Humphreys Peak is 9,410 feet higher than Mount Davis.
Lowest point
- Arizona's lowest point is Colorado River at 71 feet; Pennsylvania's is Delaware River at 0 feet.
- Pennsylvania's lowest point is 71 feet lower.
Arizona vs Pennsylvania Population and History
Population
- Arizona has a population of 7,582,384 (2024), while Pennsylvania has 13,078,751 (2024).
- Pennsylvania's population is 1.7 times (72%) larger than Arizona's.
Population density
- Arizona: 66.7 people per square mile vs Pennsylvania: 292.3.
- Pennsylvania's population density is 4.4 times (338%) higher than Arizona's.
Biggest city
- Arizona's biggest city is Phoenix with 1,673,164 people; Pennsylvania's is Philadelphia with 1,573,916.
- Phoenix's population is 1.1 times (6%) larger than Philadelphia's.
Largest metro area
- Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Pennsylvania'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.
- Pennsylvania: Admitted to the Union on December 12, 1787, as the 2nd state.
- In its current form, Pennsylvania is the older of the two by 125 years.
Arizona vs Pennsylvania Economy
GDP
- Arizona's GDP is $570.1 billion (2024) vs Pennsylvania's $1,007.9 billion.
- Pennsylvania's economic output is 1.8 times (77%) larger than Arizona's.
GDP per capita
- Arizona: $75,186 per person vs Pennsylvania: $77,062.
- Arizona and Pennsylvania have about the same GDP per capita.
Average income
- Arizona: $65,798 vs Pennsylvania: $70,678 average income per person (per capita personal income).
- Pennsylvania's average income is 1.1 times (7%) higher than Arizona's.
Arizona vs Pennsylvania Counties
Number of counties
- Arizona has 15 counties, while Pennsylvania has 67.
- Pennsylvania's county count is 4.5 times (347%) higher than Arizona's.
Biggest county by area
- Arizona's largest county is Coconino County at 18,616 square miles; Pennsylvania's is Lycoming County at 1,229 square miles.
- Coconino County's land area is 15.1 times larger than Lycoming County's.
Smallest county by area
- Arizona: Santa Cruz County (1,236 sq mi) vs Pennsylvania: Montour County (130 sq mi).
- Santa Cruz County's land area is 9.5 times (849%) larger than Montour County's.
Most populous county
- Arizona: Maricopa County (4,673,096 people) vs Pennsylvania: Philadelphia County (1,573,916 people).
- Maricopa County's population is 3.0 times (197%) larger than Philadelphia County's.
Least populous county
- Arizona: Greenlee County (9,410 people) vs Pennsylvania: Cameron County (4,348 people).
- Greenlee County's population is 2.2 times (116%) larger than Cameron County's.
Richest county
- Arizona: Maricopa County ($72,176 per capita income) vs Pennsylvania: Chester County ($110,883).
- Chester County's income is 1.5 times (54%) richer than Maricopa County's.
Poorest county
- Arizona: Graham County ($44,164 per capita income) vs Pennsylvania: Forest County ($30,234).
- Graham County's income is 1.5 times (46%) richer than Forest County's.
Arizona vs Pennsylvania Taxes
State income tax
- Arizona has a top income tax rate of 2.5%, while Pennsylvania has a top income tax rate of 3.07%.
- Pennsylvania's top rate is 0.57 percentage points higher.
Property tax
- Arizona: 0.43% effective rate vs Pennsylvania: 1.16% of home value per year.
- Pennsylvania's rate is 0.73 percentage points higher.
Sales tax
- Arizona: 8.54% combined state and average local rate vs Pennsylvania: 6.34%.
- Arizona's combined rate is 2.2 percentage points higher.
Official Websites
Arizona official website · Pennsylvania official website
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More Size Comparisons
All Arizona size comparisons · All Pennsylvania 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.