The map above shows Indiana and Louisiana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs Louisiana Geography
Land area: Indiana has a land area of 35,825 square miles (92,787 km²), while Louisiana has 43,213 square miles (111,921 km²). Louisiana's land area is 1.2 times (21%) larger than Indiana's.
Total area: Indiana: 36,421 square miles (94,331 km²) vs Louisiana: 52,375 square miles (135,652 km²), including inland and coastal water. Louisiana's total area is 1.4 times (44%) larger than Indiana's.
Length: Indiana is 276 miles (444 km) long from north to south; Louisiana is 301 miles (484 km). Louisiana's north-south length is 1.1 times (9%) longer than Indiana's.
Width: Indiana spans 193 miles (310 km) east to west; Louisiana spans 356 miles (574 km). Louisiana's east-west width is 1.8 times (84%) wider than Indiana's.
Highest point: Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); Louisiana's is Driskill Mountain at 533 feet (162 m). Hoosier Hill is 722 feet higher than Driskill Mountain.
Lowest point: Indiana's lowest point is Ohio River at 330 feet; Louisiana's is New Orleans at -8 feet. Louisiana's lowest point is 338 feet lower.
Indiana vs Louisiana Population and History
Population: Indiana has a population of 6,924,275 (2024), while Louisiana has 4,597,740 (2024). Indiana's population is 1.5 times (51%) larger than Louisiana's.
Population density: Indiana: 193.3 people per square mile vs Louisiana: 106.4. Indiana's population density is 1.8 times (82%) higher than Louisiana's.
Biggest city: Indiana's biggest city is Indianapolis with 891,484 people; Louisiana's is New Orleans with 362,701. Indianapolis' population is 2.5 times (146%) larger than New Orleans'.
Largest metro area: Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Louisiana's New Orleans-Metairie, LA metro area (966,230). Chicago-Naperville-Elgin, IL-IN metro area's population is 9.7 times (874%) larger than New Orleans-Metairie, LA metro area's.
History: Indiana: Admitted to the Union on December 11, 1816, as the 19th state. Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. In its current form, Louisiana is the older of the two by 4 years.
Indiana vs Louisiana Economy
GDP: Indiana's GDP is $519.5 billion (2024) vs Louisiana's $329.2 billion. Indiana's economic output is 1.6 times (58%) larger than Louisiana's.
GDP per capita: Indiana: $75,028 per person vs Louisiana: $71,594. Indiana's GDP per capita is 1.0 times (5%) higher than Louisiana's.
Average income: Indiana: $64,077 vs Louisiana: $61,897 average income per person (per capita personal income). Indiana and Louisiana have about the same average income.
Indiana vs Louisiana Counties
Number of counties: Indiana has 92 counties, while Louisiana has 64. Indiana's county count is 1.4 times (44%) higher than Louisiana's.
Biggest county by area: Indiana's largest county is Allen County at 657 square miles; Louisiana's is Vernon Parish at 1,327 square miles. Vernon Parish's land area is 2.0 times (102%) larger than Allen County's.
Smallest county by area: Indiana: Ohio County (86 sq mi) vs Louisiana: Orleans Parish (170 sq mi). Orleans Parish's land area is 2.0 times (97%) larger than Ohio County's.
Most populous county: Indiana: Marion County (981,628 people) vs Louisiana: East Baton Rouge Parish (453,022 people). Marion County's population is 2.2 times (117%) larger than East Baton Rouge Parish's.
Least populous county: Indiana: Ohio County (5,996 people) vs Louisiana: Tensas Parish (3,844 people). Ohio County's population is 1.6 times (56%) larger than Tensas Parish's.
Richest county: Indiana: Hamilton County ($104,283 per capita income) vs Louisiana: St. Tammany Parish ($82,398). Hamilton County's income is 1.3 times (27%) richer than St. Tammany Parish's.
Poorest county: Indiana: Miami County ($44,940 per capita income) vs Louisiana: East Carroll Parish ($36,751). Miami County's income is 1.2 times (22%) richer than East Carroll Parish's.
Indiana vs Louisiana Taxes
State income tax: Indiana has a top income tax rate of 2.95%, while Louisiana has a top income tax rate of 3%. Louisiana's top rate is 0.05 percentage points higher.
Property tax: Indiana: 0.74% effective rate vs Louisiana: 0.53% of home value per year. Indiana's rate is 0.21 percentage points higher.
Sales tax: Indiana: 7% combined state and average local rate vs Louisiana: 10.13%. Louisiana's combined rate is 3.13 percentage points higher.
Official Websites
Indiana official website · Louisiana official website
More Size Comparisons
All Indiana size comparisons · All Louisiana 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.