The map above shows Louisiana and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Oklahoma Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while Oklahoma has 68,597 square miles (177,665 km²). Oklahoma's land area is 1.6 times (59%) larger than Louisiana's.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water. Oklahoma's total area is 1.3 times (33%) larger than Louisiana's.
Length: Louisiana is 301 miles (484 km) long from north to south; Oklahoma is 533 miles (857 km). Oklahoma's north-south length is 1.8 times (77%) longer than Louisiana's.
Width: Louisiana spans 356 miles (574 km) east to west; Oklahoma spans 490 miles (789 km). Oklahoma's east-west width is 1.4 times (38%) wider than Louisiana's.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m). Black Mesa is 4,447 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; Oklahoma's is Little River at 289 feet. Louisiana's lowest point is 297 feet lower.
Louisiana vs Oklahoma Population and History
Population: Louisiana has a population of 4,597,740 (2024), while Oklahoma has 4,095,393 (2024). Louisiana's population is 1.1 times (12%) larger than Oklahoma's.
Population density: Louisiana: 106.4 people per square mile vs Oklahoma: 59.7. Louisiana's population density is 1.8 times (78%) higher than Oklahoma's.
Biggest city: Louisiana's biggest city is New Orleans with 362,701 people; Oklahoma's is Oklahoma City with 712,919. Oklahoma City's population is 2.0 times (97%) larger than New Orleans'.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Oklahoma's Oklahoma City, OK metro area (1,497,821). Oklahoma City, OK metro area's population is 1.6 times (55%) larger than New Orleans-Metairie, LA metro area's.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. In its current form, Louisiana is the older of the two by 95 years.
Louisiana vs Oklahoma Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs Oklahoma's $263.7 billion. Louisiana's economic output is 1.2 times (25%) larger than Oklahoma's.
GDP per capita: Louisiana: $71,594 per person vs Oklahoma: $64,388. Louisiana's GDP per capita is 1.1 times (11%) higher than Oklahoma's.
Average income: Louisiana: $61,897 vs Oklahoma: $63,708 average income per person (per capita personal income). Louisiana and Oklahoma have about the same average income.
Louisiana vs Oklahoma Counties
Number of counties: Louisiana has 64 counties, while Oklahoma has 77. Oklahoma's county count is 1.2 times (20%) higher than Louisiana's.
Biggest county by area: Louisiana's largest county is Vernon Parish at 1,327 square miles; Oklahoma's is Osage County at 2,247 square miles. Osage County's land area is 1.7 times (69%) larger than Vernon Parish's.
Smallest county by area: Louisiana: Orleans Parish (170 sq mi) vs Oklahoma: Marshall County (372 sq mi). Marshall County's land area is 2.2 times (119%) larger than Orleans Parish's.
Most populous county: Louisiana: East Baton Rouge Parish (453,022 people) vs Oklahoma: Oklahoma County (816,490 people). Oklahoma County's population is 1.8 times (80%) larger than East Baton Rouge Parish's.
Least populous county: Louisiana: Tensas Parish (3,844 people) vs Oklahoma: Cimarron County (2,133 people). Tensas Parish's population is 1.8 times (80%) larger than Cimarron County's.
Richest county: Louisiana: St. Tammany Parish ($82,398 per capita income) vs Oklahoma: Washington County ($126,749). Washington County's income is 1.5 times (54%) richer than St. Tammany Parish's.
Poorest county: Louisiana: East Carroll Parish ($36,751 per capita income) vs Oklahoma: Atoka County ($38,709). Atoka County's income is 1.1 times (5%) richer than East Carroll Parish's.
Louisiana vs Oklahoma Taxes
State income tax: Louisiana has a top income tax rate of 3%, while Oklahoma has a top income tax rate of 4.5%. Oklahoma's top rate is 1.5 percentage points higher.
Property tax: Louisiana: 0.53% effective rate vs Oklahoma: 0.75% of home value per year. Oklahoma's rate is 0.22 percentage points higher.
Sales tax: Louisiana: 10.13% combined state and average local rate vs Oklahoma: 9.06%. Louisiana's combined rate is 1.07 percentage points higher.
Official Websites
Louisiana official website · Oklahoma official website
More Size Comparisons
All Louisiana size comparisons · All Oklahoma 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.