The map above shows Indiana and Washington side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs Washington Geography
Land area
- Indiana has a land area of 35,825 square miles (92,787 km²), while Washington has 66,455 square miles (172,119 km²).
- Washington's land area is 1.9 times (85%) larger than Indiana's.
Total area
- Indiana: 36,421 square miles (94,331 km²) vs Washington: 71,301 square miles (184,668 km²), including inland and coastal water.
- Washington's total area is 2.0 times (96%) larger than Indiana's.
Length
- Indiana is 276 miles (444 km) long from north to south; Washington is 238 miles (383 km).
- Indiana's north-south length is 1.2 times (16%) longer than Washington's.
Width
- Indiana spans 193 miles (310 km) east to west; Washington spans 399 miles (641 km).
- Washington's east-west width is 2.1 times (107%) wider than Indiana's.
Highest point
- Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); Washington's is Mount Rainier at 14,409 feet (4,392 m).
- Mount Rainier is 13,154 feet higher than Hoosier Hill.
Lowest point
- Indiana's lowest point is Ohio River at 330 feet; Washington's is Pacific Ocean at 0 feet.
- Washington's lowest point is 330 feet lower.
Indiana vs Washington Population and History
Population
- Indiana has a population of 6,924,275 (2024), while Washington has 7,958,180 (2024).
- Washington's population is 1.1 times (15%) larger than Indiana's.
Population density
- Indiana: 193.3 people per square mile vs Washington: 119.8.
- Indiana's population density is 1.6 times (61%) higher than Washington's.
Biggest city
- Indiana's biggest city is Indianapolis with 891,484 people; Washington's is Seattle with 780,995.
- Indianapolis' population is 1.1 times (14%) larger than Seattle's.
Largest metro area
- Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Washington's Seattle-Tacoma-Bellevue, WA metro area (4,145,494).
- Chicago-Naperville-Elgin, IL-IN metro area's population is 2.3 times (127%) larger than Seattle-Tacoma-Bellevue, WA metro area's.
History
- Indiana: Admitted to the Union on December 11, 1816, as the 19th state.
- Washington: Admitted to the Union on November 11, 1889, as the 42nd state.
- In its current form, Indiana is the older of the two by 73 years.
Indiana vs Washington Economy
GDP
- Indiana's GDP is $519.5 billion (2024) vs Washington's $856.0 billion.
- Washington's economic output is 1.6 times (65%) larger than Indiana's.
GDP per capita
- Indiana: $75,028 per person vs Washington: $107,564.
- Washington's GDP per capita is 1.4 times (43%) higher than Indiana's.
Average income
- Indiana: $64,077 vs Washington: $85,187 average income per person (per capita personal income).
- Washington's average income is 1.3 times (33%) higher than Indiana's.
Indiana vs Washington Counties
Number of counties
- Indiana has 92 counties, while Washington has 39.
- Indiana's county count is 2.4 times (136%) higher than Washington's.
Biggest county by area
- Indiana's largest county is Allen County at 657 square miles; Washington's is Okanogan County at 5,266 square miles.
- Okanogan County's land area is 8.0 times (701%) larger than Allen County's.
Smallest county by area
- Indiana: Ohio County (86 sq mi) vs Washington: San Juan County (174 sq mi).
- San Juan County's land area is 2.0 times (102%) larger than Ohio County's.
Most populous county
- Indiana: Marion County (981,628 people) vs Washington: King County (2,340,211 people).
- King County's population is 2.4 times (138%) larger than Marion County's.
Least populous county
- Indiana: Ohio County (5,996 people) vs Washington: Garfield County (2,404 people).
- Ohio County's population is 2.5 times (149%) larger than Garfield County's.
Richest county
- Indiana: Hamilton County ($104,283 per capita income) vs Washington: King County ($128,684).
- King County's income is 1.2 times (23%) richer than Hamilton County's.
Poorest county
- Indiana: Miami County ($44,940 per capita income) vs Washington: Ferry County ($50,456).
- Ferry County's income is 1.1 times (12%) richer than Miami County's.
Indiana vs Washington Taxes
State income tax
- Indiana has a top income tax rate of 2.95%, while Washington has a 9% tax on capital gains only.
Property tax
- Indiana: 0.74% effective rate vs Washington: 0.79% of home value per year.
- Washington's rate is 0.05 percentage points higher.
Sales tax
- Indiana: 7% combined state and average local rate vs Washington: 9.57%.
- Washington's combined rate is 2.57 percentage points higher.
Official Websites
Indiana official website · Washington official website
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More Size Comparisons
All Indiana size comparisons · All Washington 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.