The map above shows Arizona and Maryland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Maryland Geography
Land area
- Arizona has a land area of 113,655 square miles (294,366 km²), while Maryland has 9,711 square miles (25,151 km²).
- Arizona's land area is 11.7 times larger than Maryland's.
Total area
- Arizona: 113,985 square miles (295,220 km²) vs Maryland: 12,406 square miles (32,131 km²), including inland and coastal water.
- Arizona's total area is 9.2 times (819%) larger than Maryland's.
Length
- Arizona is 429 miles (690 km) long from north to south; Maryland is 231 miles (371 km).
- Arizona's north-south length is 1.9 times (86%) longer than Maryland's.
Width
- Arizona spans 452 miles (727 km) east to west; Maryland spans 243 miles (391 km).
- Arizona's east-west width is 1.9 times (86%) wider than Maryland's.
Highest point
- Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Maryland's is Hoye-Crest at 3,362 feet (1,025 m).
- Humphreys Peak is 9,258 feet higher than Hoye-Crest.
Lowest point
- Arizona's lowest point is Colorado River at 71 feet; Maryland's is Atlantic Ocean at 0 feet.
- Maryland's lowest point is 71 feet lower.
Arizona vs Maryland Population and History
Population
- Arizona has a population of 7,582,384 (2024), while Maryland has 6,263,220 (2024).
- Arizona's population is 1.2 times (21%) larger than Maryland's.
Population density
- Arizona: 66.7 people per square mile vs Maryland: 645.0.
- Maryland's population density is 9.7 times (867%) higher than Arizona's.
Biggest city
- Arizona's biggest city is Phoenix with 1,673,164 people; Maryland's is Baltimore with 568,271.
- Phoenix's population is 2.9 times (194%) larger than Baltimore's.
Largest metro area
- Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Maryland's Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489).
- Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 1.2 times (24%) larger than Phoenix-Mesa-Chandler, AZ metro area's.
History
- Arizona: Admitted to the Union on February 14, 1912, as the 48th state.
- Maryland: Admitted to the Union on April 28, 1788, as the 7th state.
- In its current form, Maryland is the older of the two by 124 years.
Arizona vs Maryland Economy
GDP
- Arizona's GDP is $570.1 billion (2024) vs Maryland's $546.0 billion.
- Arizona and Maryland have about the same economic output.
GDP per capita
- Arizona: $75,186 per person vs Maryland: $87,180.
- Maryland's GDP per capita is 1.2 times (16%) higher than Arizona's.
Average income
- Arizona: $65,798 vs Maryland: $79,259 average income per person (per capita personal income).
- Maryland's average income is 1.2 times (20%) higher than Arizona's.
Arizona vs Maryland Counties
Number of counties
- Arizona has 15 counties, while Maryland has 24.
- Maryland's county count is 1.6 times (60%) higher than Arizona's.
Biggest county by area
- Arizona's largest county is Coconino County at 18,616 square miles; Maryland's is Frederick County at 661 square miles.
- Coconino County's land area is 28.2 times larger than Frederick County's.
Smallest county by area
- Arizona: Santa Cruz County (1,236 sq mi) vs Maryland: Baltimore city (81 sq mi).
- Santa Cruz County's land area is 15.3 times larger than Baltimore city's.
Most populous county
- Arizona: Maricopa County (4,673,096 people) vs Maryland: Montgomery County (1,082,273 people).
- Maricopa County's population is 4.3 times (332%) larger than Montgomery County's.
Least populous county
- Arizona: Greenlee County (9,410 people) vs Maryland: Kent County (19,557 people).
- Kent County's population is 2.1 times (108%) larger than Greenlee County's.
Richest county
- Arizona: Maricopa County ($72,176 per capita income) vs Maryland: Montgomery County ($104,882).
- Montgomery County's income is 1.5 times (45%) richer than Maricopa County's.
Poorest county
- Arizona: Graham County ($44,164 per capita income) vs Maryland: Somerset County ($41,421).
- Graham County's income is 1.1 times (7%) richer than Somerset County's.
Arizona vs Maryland Taxes
State income tax
- Arizona has a top income tax rate of 2.5%, while Maryland has a top income tax rate of 6.5%.
- Maryland's top rate is 4 percentage points higher.
Property tax
- Arizona: 0.43% effective rate vs Maryland: 0.95% of home value per year.
- Maryland's rate is 0.52 percentage points higher.
Sales tax
- Arizona: 8.54% combined state and average local rate vs Maryland: 6%.
- Arizona's combined rate is 2.54 percentage points higher.
Official Websites
Arizona official website · Maryland official website
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More Size Comparisons
All Arizona size comparisons · All Maryland 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.