The map above shows Louisiana and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Ohio Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while Ohio has 40,859 square miles (105,824 km²). Louisiana's land area is 1.1 times (6%) larger than Ohio's.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water. Louisiana's total area is 1.2 times (17%) larger than Ohio's.
Length: Louisiana is 301 miles (484 km) long from north to south; Ohio is 291 miles (468 km). Louisiana and Ohio have about the same north-south length.
Width: Louisiana spans 356 miles (574 km) east to west; Ohio spans 317 miles (510 km). Louisiana's east-west width is 1.1 times (12%) wider than Ohio's.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Ohio's is Campbell Hill at 1,547 feet (472 m). Campbell Hill is 1,014 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; Ohio's is Ohio River at 455 feet. Louisiana's lowest point is 463 feet lower.
Louisiana vs Ohio Population and History
Population: Louisiana has a population of 4,597,740 (2024), while Ohio has 11,883,304 (2024). Ohio's population is 2.6 times (158%) larger than Louisiana's.
Population density: Louisiana: 106.4 people per square mile vs Ohio: 290.8. Ohio's population density is 2.7 times (173%) higher than Louisiana's.
Biggest city: Louisiana's biggest city is New Orleans with 362,701 people; Ohio's is Columbus with 933,263. Columbus' population is 2.6 times (157%) larger than New Orleans'.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815). Cincinnati, OH-KY-IN metro area's population is 2.4 times (138%) larger than New Orleans-Metairie, LA metro area's.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. Ohio: Admitted to the Union on March 1, 1803, as the 17th state. In its current form, Ohio is the older of the two by 9 years.
Louisiana vs Ohio Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs Ohio's $923.1 billion. Ohio's economic output is 2.8 times (180%) larger than Louisiana's.
GDP per capita: Louisiana: $71,594 per person vs Ohio: $77,684. Ohio's GDP per capita is 1.1 times (9%) higher than Louisiana's.
Average income: Louisiana: $61,897 vs Ohio: $64,464 average income per person (per capita personal income). Louisiana and Ohio have about the same average income.
Louisiana vs Ohio Counties
Number of counties: Louisiana has 64 counties, while Ohio has 88. Ohio's county count is 1.4 times (38%) higher than Louisiana's.
Biggest county by area: Louisiana's largest county is Vernon Parish at 1,327 square miles; Ohio's is Ashtabula County at 702 square miles. Vernon Parish's land area is 1.9 times (89%) larger than Ashtabula County's.
Smallest county by area: Louisiana: Orleans Parish (170 sq mi) vs Ohio: Lake County (229 sq mi). Lake County's land area is 1.4 times (35%) larger than Orleans Parish's.
Most populous county: Louisiana: East Baton Rouge Parish (453,022 people) vs Ohio: Franklin County (1,356,303 people). Franklin County's population is 3.0 times (199%) larger than East Baton Rouge Parish's.
Least populous county: Louisiana: Tensas Parish (3,844 people) vs Ohio: Vinton County (12,545 people). Vinton County's population is 3.3 times (226%) larger than Tensas Parish's.
Richest county: Louisiana: St. Tammany Parish ($82,398 per capita income) vs Ohio: Delaware County ($96,573). Delaware County's income is 1.2 times (17%) richer than St. Tammany Parish's.
Poorest county: Louisiana: East Carroll Parish ($36,751 per capita income) vs Ohio: Noble County ($34,940). East Carroll Parish's income is 1.1 times (5%) richer than Noble County's.
Louisiana vs Ohio Taxes
State income tax: Louisiana has a top income tax rate of 3%, while Ohio has a top income tax rate of 2.75%. Louisiana's top rate is 0.25 percentage points higher.
Property tax: Louisiana: 0.53% effective rate vs Ohio: 1.22% of home value per year. Ohio's rate is 0.69 percentage points higher.
Sales tax: Louisiana: 10.13% combined state and average local rate vs Ohio: 7.29%. Louisiana's combined rate is 2.84 percentage points higher.
Official Websites
Louisiana official website · Ohio official website
More Size Comparisons
All Louisiana size comparisons · All Ohio 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.