The map above shows Arizona and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Ohio Geography
Land area
- Arizona has a land area of 113,655 square miles (294,366 km²), while Ohio has 40,859 square miles (105,824 km²).
- Arizona's land area is 2.8 times (178%) larger than Ohio's.
Total area
- Arizona: 113,985 square miles (295,220 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
- Arizona's total area is 2.5 times (154%) larger than Ohio's.
Length
- Arizona is 429 miles (690 km) long from north to south; Ohio is 291 miles (468 km).
- Arizona's north-south length is 1.5 times (47%) longer than Ohio's.
Width
- Arizona spans 452 miles (727 km) east to west; Ohio spans 317 miles (510 km).
- Arizona's east-west width is 1.4 times (43%) wider than Ohio's.
Highest point
- Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
- Humphreys Peak is 11,073 feet higher than Campbell Hill.
Lowest point
- Arizona's lowest point is Colorado River at 71 feet; Ohio's is Ohio River at 455 feet.
- Arizona's lowest point is 384 feet lower.
Arizona vs Ohio Population and History
Population
- Arizona has a population of 7,582,384 (2024), while Ohio has 11,883,304 (2024).
- Ohio's population is 1.6 times (57%) larger than Arizona's.
Population density
- Arizona: 66.7 people per square mile vs Ohio: 290.8.
- Ohio's population density is 4.4 times (336%) higher than Arizona's.
Biggest city
- Arizona's biggest city is Phoenix with 1,673,164 people; Ohio's is Columbus with 933,263.
- Phoenix's population is 1.8 times (79%) larger than Columbus'.
Largest metro area
- Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815).
- Phoenix-Mesa-Chandler, AZ metro area's population is 2.3 times (125%) larger than Cincinnati, OH-KY-IN metro area's.
History
- Arizona: Admitted to the Union on February 14, 1912, as the 48th state.
- Ohio: Admitted to the Union on March 1, 1803, as the 17th state.
- In its current form, Ohio is the older of the two by 109 years.
Arizona vs Ohio Economy
GDP
- Arizona's GDP is $570.1 billion (2024) vs Ohio's $923.1 billion.
- Ohio's economic output is 1.6 times (62%) larger than Arizona's.
GDP per capita
- Arizona: $75,186 per person vs Ohio: $77,684.
- Arizona and Ohio have about the same GDP per capita.
Average income
- Arizona: $65,798 vs Ohio: $64,464 average income per person (per capita personal income).
- Arizona and Ohio have about the same average income.
Arizona vs Ohio Counties
Number of counties
- Arizona has 15 counties, while Ohio has 88.
- Ohio's county count is 5.9 times (487%) higher than Arizona's.
Biggest county by area
- Arizona's largest county is Coconino County at 18,616 square miles; Ohio's is Ashtabula County at 702 square miles.
- Coconino County's land area is 26.5 times larger than Ashtabula County's.
Smallest county by area
- Arizona: Santa Cruz County (1,236 sq mi) vs Ohio: Lake County (229 sq mi).
- Santa Cruz County's land area is 5.4 times (439%) larger than Lake County's.
Most populous county
- Arizona: Maricopa County (4,673,096 people) vs Ohio: Franklin County (1,356,303 people).
- Maricopa County's population is 3.4 times (245%) larger than Franklin County's.
Least populous county
- Arizona: Greenlee County (9,410 people) vs Ohio: Vinton County (12,545 people).
- Vinton County's population is 1.3 times (33%) larger than Greenlee County's.
Richest county
- Arizona: Maricopa County ($72,176 per capita income) vs Ohio: Delaware County ($96,573).
- Delaware County's income is 1.3 times (34%) richer than Maricopa County's.
Poorest county
- Arizona: Graham County ($44,164 per capita income) vs Ohio: Noble County ($34,940).
- Graham County's income is 1.3 times (26%) richer than Noble County's.
Arizona vs Ohio Taxes
State income tax
- Arizona has a top income tax rate of 2.5%, while Ohio has a top income tax rate of 2.75%.
- Ohio's top rate is 0.25 percentage points higher.
Property tax
- Arizona: 0.43% effective rate vs Ohio: 1.22% of home value per year.
- Ohio's rate is 0.79 percentage points higher.
Sales tax
- Arizona: 8.54% combined state and average local rate vs Ohio: 7.29%.
- Arizona's combined rate is 1.25 percentage points higher.
Official Websites
Arizona official website · Ohio official website
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More Size Comparisons
All Arizona size comparisons · All Ohio 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.