The map above shows District of Columbia and Indiana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Indiana Geography
Land area
- District of Columbia has a land area of 61 square miles (158 km²), while Indiana has 35,825 square miles (92,787 km²).
- Indiana's land area is 587.3 times larger than District of Columbia's.
Total area
- District of Columbia: 68 square miles (177 km²) vs Indiana: 36,421 square miles (94,331 km²), including inland and coastal water.
- Indiana's total area is 532.9 times larger than District of Columbia's.
Length
- District of Columbia is 13 miles (22 km) long from north to south; Indiana is 276 miles (444 km).
- Indiana's north-south length is 21.2 times longer than District of Columbia's.
Width
- District of Columbia spans 12 miles (19 km) east to west; Indiana spans 193 miles (310 km).
- Indiana's east-west width is 16.1 times wider than District of Columbia's.
Highest point
- District of Columbia's highest point is Fort Reno at 429 feet (131 m); Indiana's is Hoosier Hill at 1,255 feet (383 m).
- Hoosier Hill is 826 feet higher than Fort Reno.
Lowest point
- District of Columbia's lowest point is Potomac River at 0 feet; Indiana's is Ohio River at 330 feet.
- District of Columbia's lowest point is 330 feet lower.
District of Columbia vs Indiana Population and History
Population
- District of Columbia has a population of 702,250 (2024), while Indiana has 6,924,275 (2024).
- Indiana's population is 9.9 times (886%) larger than District of Columbia's.
Population density
- District of Columbia: 11,493.5 people per square mile vs Indiana: 193.3.
- District of Columbia's population density is 59.5 times higher than Indiana's.
Biggest city
- District of Columbia's biggest city is Washington with 702,250 people; Indiana's is Indianapolis with 891,484.
- Indianapolis' population is 1.3 times (27%) larger than Washington's.
Largest metro area
- District of Columbia's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Indiana's Chicago-Naperville-Elgin, IL-IN metro area (9,408,576).
- Chicago-Naperville-Elgin, IL-IN metro area's population is 1.5 times (46%) larger than Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's.
History
- District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state.
- Indiana: Admitted to the Union on December 11, 1816, as the 19th state.
- In its current form, District of Columbia is the older of the two by 26 years.
District of Columbia vs Indiana Economy
GDP
- District of Columbia's GDP is $184.3 billion (2024) vs Indiana's $519.5 billion.
- Indiana's economic output is 2.8 times (182%) larger than District of Columbia's.
GDP per capita
- District of Columbia: $262,439 per person vs Indiana: $75,028.
- District of Columbia's GDP per capita is 3.5 times (250%) higher than Indiana's.
Average income
- District of Columbia: $111,185 vs Indiana: $64,077 average income per person (per capita personal income).
- District of Columbia's average income is 1.7 times (74%) higher than Indiana's.
District of Columbia vs Indiana Counties
Number of counties
- District of Columbia has 1 counties, while Indiana has 92.
- Indiana's county count is 92.0 times higher than District of Columbia's.
Biggest county by area
- District of Columbia's largest county is District of Columbia at 61 square miles; Indiana's is Allen County at 657 square miles.
- Allen County's land area is 10.8 times larger than District of Columbia's.
Smallest county by area
- District of Columbia: District of Columbia (61 sq mi) vs Indiana: Ohio County (86 sq mi).
- Ohio County's land area is 1.4 times (41%) larger than District of Columbia's.
Most populous county
- District of Columbia: District of Columbia (702,250 people) vs Indiana: Marion County (981,628 people).
- Marion County's population is 1.4 times (40%) larger than District of Columbia's.
Least populous county
- District of Columbia: District of Columbia (702,250 people) vs Indiana: Ohio County (5,996 people).
- District of Columbia's population is 117.1 times larger than Ohio County's.
Richest county
- District of Columbia: District of Columbia ($111,185 per capita income) vs Indiana: Hamilton County ($104,283).
- District of Columbia's income is 1.1 times (7%) richer than Hamilton County's.
Poorest county
- District of Columbia: District of Columbia ($111,185 per capita income) vs Indiana: Miami County ($44,940).
- District of Columbia's income is 2.5 times (147%) richer than Miami County's.
District of Columbia vs Indiana Taxes
State income tax
- District of Columbia has a top income tax rate of 10.75%, while Indiana has a top income tax rate of 2.95%.
- District of Columbia's top rate is 7.8 percentage points higher.
Property tax
- District of Columbia: 0.63% effective rate vs Indiana: 0.74% of home value per year.
- Indiana's rate is 0.11 percentage points higher.
Sales tax
- District of Columbia: 6% combined state and average local rate vs Indiana: 7%.
- Indiana's combined rate is 1 percentage points higher.
Official Websites
District of Columbia official website · Indiana official website
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More Size Comparisons
All District of Columbia size comparisons · All Indiana 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.