The map above shows Arizona and Texas side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Texas Geography
Land area: Arizona has a land area of 113,655 square miles (294,366 km²), while Texas has 261,259 square miles (676,657 km²). Texas' land area is 2.3 times (130%) larger than Arizona's.
Total area: Arizona: 113,985 square miles (295,220 km²) vs Texas: 268,599 square miles (695,668 km²), including inland and coastal water. Texas' total area is 2.4 times (136%) larger than Arizona's.
Length: Arizona is 429 miles (690 km) long from north to south; Texas is 808 miles (1,300 km). Texas' north-south length is 1.9 times (88%) longer than Arizona's.
Width: Arizona spans 452 miles (727 km) east to west; Texas spans 777 miles (1,250 km). Texas' east-west width is 1.7 times (72%) wider than Arizona's.
Highest point: Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Texas's is Guadalupe Peak at 8,730 feet (2,661 m). Humphreys Peak is 3,890 feet higher than Guadalupe Peak.
Lowest point: Arizona's lowest point is Colorado River at 71 feet; Texas's is Gulf of Mexico at 0 feet. Texas's lowest point is 71 feet lower.
Arizona vs Texas Population and History
Population: Arizona has a population of 7,582,384 (2024), while Texas has 31,290,831 (2024). Texas' population is 4.1 times (313%) larger than Arizona's.
Population density: Arizona: 66.7 people per square mile vs Texas: 119.8. Texas' population density is 1.8 times (80%) higher than Arizona's.
Biggest city: Arizona's biggest city is Phoenix with 1,673,164 people; Texas's is Houston with 2,390,125. Houston's population is 1.4 times (43%) larger than Phoenix's.
Largest metro area: Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Texas's Dallas-Fort Worth-Arlington, TX metro area (8,344,032). Dallas-Fort Worth-Arlington, TX metro area's population is 1.6 times (61%) larger than Phoenix-Mesa-Chandler, AZ metro area's.
History: Arizona: Admitted to the Union on February 14, 1912, as the 48th state. Texas: Admitted to the Union on December 29, 1845, as the 28th state. In its current form, Texas is the older of the two by 67 years.
Arizona vs Texas Economy
GDP: Arizona's GDP is $570.1 billion (2024) vs Texas's $2,769.8 billion. Texas' economic output is 4.9 times (386%) larger than Arizona's.
GDP per capita: Arizona: $75,186 per person vs Texas: $88,517. Texas' GDP per capita is 1.2 times (18%) higher than Arizona's.
Average income: Arizona: $65,798 vs Texas: $69,823 average income per person (per capita personal income). Texas' average income is 1.1 times (6%) higher than Arizona's.
Arizona vs Texas Counties
Number of counties: Arizona has 15 counties, while Texas has 254. Texas' county count is 16.9 times higher than Arizona's.
Biggest county by area: Arizona's largest county is Coconino County at 18,616 square miles; Texas's is Brewster County at 6,184 square miles. Coconino County's land area is 3.0 times (201%) larger than Brewster County's.
Smallest county by area: Arizona: Santa Cruz County (1,236 sq mi) vs Texas: Rockwall County (127 sq mi). Santa Cruz County's land area is 9.7 times (872%) larger than Rockwall County's.
Most populous county: Arizona: Maricopa County (4,673,096 people) vs Texas: Harris County (5,009,302 people). Harris County's population is 1.1 times (7%) larger than Maricopa County's.
Least populous county: Arizona: Greenlee County (9,410 people) vs Texas: Loving County (48 people). Greenlee County's population is 196.0 times larger than Loving County's.
Richest county: Arizona: Maricopa County ($72,176 per capita income) vs Texas: Loving County ($220,625). Loving County's income is 3.1 times (206%) richer than Maricopa County's.
Poorest county: Arizona: Graham County ($44,164 per capita income) vs Texas: Starr County ($34,180). Graham County's income is 1.3 times (29%) richer than Starr County's.
Arizona vs Texas Taxes
State income tax: Arizona has a top income tax rate of 2.5%, while Texas has no state income tax. Arizona's top rate is 2.5 percentage points higher.
Property tax: Arizona: 0.43% effective rate vs Texas: 1.31% of home value per year. Texas's rate is 0.88 percentage points higher.
Sales tax: Arizona: 8.54% combined state and average local rate vs Texas: 8.2%. Arizona's combined rate is 0.34 percentage points higher.
Official Websites
Arizona official website · Texas official website
More Size Comparisons
All Arizona size comparisons · All Texas 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.