The map above shows Arizona and District of Columbia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs District of Columbia Geography
Land area
- Arizona has a land area of 113,655 square miles (294,366 km²), while District of Columbia has 61 square miles (158 km²).
- Arizona's land area is 1,863.1 times larger than District of Columbia's.
Total area
- Arizona: 113,985 square miles (295,220 km²) vs District of Columbia: 68 square miles (177 km²), including inland and coastal water.
- Arizona's total area is 1,667.9 times larger than District of Columbia's.
Length
- Arizona is 429 miles (690 km) long from north to south; District of Columbia is 13 miles (22 km).
- Arizona's north-south length is 33.0 times longer than District of Columbia's.
Width
- Arizona spans 452 miles (727 km) east to west; District of Columbia spans 12 miles (19 km).
- Arizona's east-west width is 37.7 times wider than District of Columbia's.
Highest point
- Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); District of Columbia's is Fort Reno at 429 feet (131 m).
- Humphreys Peak is 12,191 feet higher than Fort Reno.
Lowest point
- Arizona's lowest point is Colorado River at 71 feet; District of Columbia's is Potomac River at 0 feet.
- District of Columbia's lowest point is 71 feet lower.
Arizona vs District of Columbia Population and History
Population
- Arizona has a population of 7,582,384 (2024), while District of Columbia has 702,250 (2024).
- Arizona's population is 10.8 times larger than District of Columbia's.
Population density
- Arizona: 66.7 people per square mile vs District of Columbia: 11,493.5.
- District of Columbia's population density is 172.3 times higher than Arizona's.
Biggest city
- Arizona's biggest city is Phoenix with 1,673,164 people; District of Columbia's is Washington with 702,250.
- Phoenix's population is 2.4 times (138%) larger than Washington's.
Largest metro area
- Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs District of Columbia'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.
- District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state.
- In its current form, District of Columbia is the older of the two by 122 years.
Arizona vs District of Columbia Economy
GDP
- Arizona's GDP is $570.1 billion (2024) vs District of Columbia's $184.3 billion.
- Arizona's economic output is 3.1 times (209%) larger than District of Columbia's.
GDP per capita
- Arizona: $75,186 per person vs District of Columbia: $262,439.
- District of Columbia's GDP per capita is 3.5 times (249%) higher than Arizona's.
Average income
- Arizona: $65,798 vs District of Columbia: $111,185 average income per person (per capita personal income).
- District of Columbia's average income is 1.7 times (69%) higher than Arizona's.
Arizona vs District of Columbia Counties
Number of counties
- Arizona has 15 counties, while District of Columbia has 1.
- Arizona's county count is 15.0 times higher than District of Columbia's.
Biggest county by area
- Arizona's largest county is Coconino County at 18,616 square miles; District of Columbia's is District of Columbia at 61 square miles.
- Coconino County's land area is 304.7 times larger than District of Columbia's.
Smallest county by area
- Arizona: Santa Cruz County (1,236 sq mi) vs District of Columbia: District of Columbia (61 sq mi).
- Santa Cruz County's land area is 20.2 times larger than District of Columbia's.
Most populous county
- Arizona: Maricopa County (4,673,096 people) vs District of Columbia: District of Columbia (702,250 people).
- Maricopa County's population is 6.7 times (565%) larger than District of Columbia's.
Least populous county
- Arizona: Greenlee County (9,410 people) vs District of Columbia: District of Columbia (702,250 people).
- District of Columbia's population is 74.6 times larger than Greenlee County's.
Richest county
- Arizona: Maricopa County ($72,176 per capita income) vs District of Columbia: District of Columbia ($111,185).
- District of Columbia's income is 1.5 times (54%) richer than Maricopa County's.
Poorest county
- Arizona: Graham County ($44,164 per capita income) vs District of Columbia: District of Columbia ($111,185).
- District of Columbia's income is 2.5 times (152%) richer than Graham County's.
Arizona vs District of Columbia Taxes
State income tax
- Arizona has a top income tax rate of 2.5%, while District of Columbia has a top income tax rate of 10.75%.
- District of Columbia's top rate is 8.25 percentage points higher.
Property tax
- Arizona: 0.43% effective rate vs District of Columbia: 0.63% of home value per year.
- District of Columbia's rate is 0.2 percentage points higher.
Sales tax
- Arizona: 8.54% combined state and average local rate vs District of Columbia: 6%.
- Arizona's combined rate is 2.54 percentage points higher.
Official Websites
Arizona official website · District of Columbia official website
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More Size Comparisons
All Arizona size comparisons · All District of Columbia 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.