The map above shows Louisiana and Wisconsin side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Wisconsin Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while Wisconsin has 54,168 square miles (140,294 km²). Wisconsin's land area is 1.3 times (25%) larger than Louisiana's.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs Wisconsin: 65,497 square miles (169,636 km²), including inland and coastal water. Wisconsin's total area is 1.3 times (25%) larger than Louisiana's.
Length: Louisiana is 301 miles (484 km) long from north to south; Wisconsin is 368 miles (593 km). Wisconsin's north-south length is 1.2 times (22%) longer than Louisiana's.
Width: Louisiana spans 356 miles (574 km) east to west; Wisconsin spans 323 miles (521 km). Louisiana's east-west width is 1.1 times (10%) wider than Wisconsin's.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Wisconsin's is Timms Hill at 1,946 feet (593 m). Timms Hill is 1,413 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; Wisconsin's is Lake Michigan at 577 feet. Louisiana's lowest point is 585 feet lower.
Louisiana vs Wisconsin Population and History
Population: Louisiana has a population of 4,597,740 (2024), while Wisconsin has 5,960,975 (2024). Wisconsin's population is 1.3 times (30%) larger than Louisiana's.
Population density: Louisiana: 106.4 people per square mile vs Wisconsin: 110.0. Louisiana and Wisconsin have about the same population density.
Biggest city: Louisiana's biggest city is New Orleans with 362,701 people; Wisconsin's is Milwaukee with 563,531. Milwaukee's population is 1.6 times (55%) larger than New Orleans'.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Wisconsin's Minneapolis-St. Paul-Bloomington, MN-WI metro area (3,757,952). Minneapolis-St. Paul-Bloomington, MN-WI metro area's population is 3.9 times (289%) larger than New Orleans-Metairie, LA metro area's.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. Wisconsin: Admitted to the Union on May 29, 1848, as the 30th state. In its current form, Louisiana is the older of the two by 36 years.
Louisiana vs Wisconsin Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs Wisconsin's $453.3 billion. Wisconsin's economic output is 1.4 times (38%) larger than Louisiana's.
GDP per capita: Louisiana: $71,594 per person vs Wisconsin: $76,044. Wisconsin's GDP per capita is 1.1 times (6%) higher than Louisiana's.
Average income: Louisiana: $61,897 vs Wisconsin: $67,755 average income per person (per capita personal income). Wisconsin's average income is 1.1 times (9%) higher than Louisiana's.
Louisiana vs Wisconsin Counties
Number of counties: Louisiana has 64 counties, while Wisconsin has 72. Wisconsin's county count is 1.1 times (13%) higher than Louisiana's.
Biggest county by area: Louisiana's largest county is Vernon Parish at 1,327 square miles; Wisconsin's is Marathon County at 1,545 square miles. Marathon County's land area is 1.2 times (16%) larger than Vernon Parish's.
Smallest county by area: Louisiana: Orleans Parish (170 sq mi) vs Wisconsin: Pepin County (232 sq mi). Pepin County's land area is 1.4 times (37%) larger than Orleans Parish's.
Most populous county: Louisiana: East Baton Rouge Parish (453,022 people) vs Wisconsin: Milwaukee County (924,740 people). Milwaukee County's population is 2.0 times (104%) larger than East Baton Rouge Parish's.
Least populous county: Louisiana: Tensas Parish (3,844 people) vs Wisconsin: Menominee County (4,286 people). Menominee County's population is 1.1 times (11%) larger than Tensas Parish's.
Richest county: Louisiana: St. Tammany Parish ($82,398 per capita income) vs Wisconsin: Ozaukee County ($109,947). Ozaukee County's income is 1.3 times (33%) richer than St. Tammany Parish's.
Poorest county: Louisiana: East Carroll Parish ($36,751 per capita income) vs Wisconsin: Menominee County ($43,696). Menominee County's income is 1.2 times (19%) richer than East Carroll Parish's.
Louisiana vs Wisconsin Taxes
State income tax: Louisiana has a top income tax rate of 3%, while Wisconsin has a top income tax rate of 7.65%. Wisconsin's top rate is 4.65 percentage points higher.
Property tax: Louisiana: 0.53% effective rate vs Wisconsin: 1.25% of home value per year. Wisconsin's rate is 0.72 percentage points higher.
Sales tax: Louisiana: 10.13% combined state and average local rate vs Wisconsin: 5.72%. Louisiana's combined rate is 4.41 percentage points higher.
Official Websites
Louisiana official website · Wisconsin official website
More Size Comparisons
All Louisiana size comparisons · All Wisconsin 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.