The map above shows Louisiana and Washington side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Washington Geography
Land area
- Louisiana has a land area of 43,213 square miles (111,921 km²), while Washington has 66,455 square miles (172,119 km²).
- Washington's land area is 1.5 times (54%) larger than Louisiana's.
Total area
- Louisiana: 52,375 square miles (135,652 km²) vs Washington: 71,301 square miles (184,668 km²), including inland and coastal water.
- Washington's total area is 1.4 times (36%) larger than Louisiana's.
Length
- Louisiana is 301 miles (484 km) long from north to south; Washington is 238 miles (383 km).
- Louisiana's north-south length is 1.3 times (26%) longer than Washington's.
Width
- Louisiana spans 356 miles (574 km) east to west; Washington spans 399 miles (641 km).
- Washington's east-west width is 1.1 times (12%) wider than Louisiana's.
Highest point
- Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Washington's is Mount Rainier at 14,409 feet (4,392 m).
- Mount Rainier is 13,876 feet higher than Driskill Mountain.
Lowest point
- Louisiana's lowest point is New Orleans at -8 feet; Washington's is Pacific Ocean at 0 feet.
- Louisiana's lowest point is 8 feet lower.
Louisiana vs Washington Population and History
Population
- Louisiana has a population of 4,597,740 (2024), while Washington has 7,958,180 (2024).
- Washington's population is 1.7 times (73%) larger than Louisiana's.
Population density
- Louisiana: 106.4 people per square mile vs Washington: 119.8.
- Washington's population density is 1.1 times (13%) higher than Louisiana's.
Biggest city
- Louisiana's biggest city is New Orleans with 362,701 people; Washington's is Seattle with 780,995.
- Seattle's population is 2.2 times (115%) larger than New Orleans'.
Largest metro area
- Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Washington's Seattle-Tacoma-Bellevue, WA metro area (4,145,494).
- Seattle-Tacoma-Bellevue, WA metro area's population is 4.3 times (329%) larger than New Orleans-Metairie, LA metro area's.
History
- Louisiana: Admitted to the Union on April 30, 1812, as the 18th state.
- Washington: Admitted to the Union on November 11, 1889, as the 42nd state.
- In its current form, Louisiana is the older of the two by 77 years.
Louisiana vs Washington Economy
GDP
- Louisiana's GDP is $329.2 billion (2024) vs Washington's $856.0 billion.
- Washington's economic output is 2.6 times (160%) larger than Louisiana's.
GDP per capita
- Louisiana: $71,594 per person vs Washington: $107,564.
- Washington's GDP per capita is 1.5 times (50%) higher than Louisiana's.
Average income
- Louisiana: $61,897 vs Washington: $85,187 average income per person (per capita personal income).
- Washington's average income is 1.4 times (38%) higher than Louisiana's.
Louisiana vs Washington Counties
Number of counties
- Louisiana has 64 counties, while Washington has 39.
- Louisiana's county count is 1.6 times (64%) higher than Washington's.
Biggest county by area
- Louisiana's largest county is Vernon Parish at 1,327 square miles; Washington's is Okanogan County at 5,266 square miles.
- Okanogan County's land area is 4.0 times (297%) larger than Vernon Parish's.
Smallest county by area
- Louisiana: Orleans Parish (170 sq mi) vs Washington: San Juan County (174 sq mi).
- Orleans Parish and San Juan County have about the same land area.
Most populous county
- Louisiana: East Baton Rouge Parish (453,022 people) vs Washington: King County (2,340,211 people).
- King County's population is 5.2 times (417%) larger than East Baton Rouge Parish's.
Least populous county
- Louisiana: Tensas Parish (3,844 people) vs Washington: Garfield County (2,404 people).
- Tensas Parish's population is 1.6 times (60%) larger than Garfield County's.
Richest county
- Louisiana: St. Tammany Parish ($82,398 per capita income) vs Washington: King County ($128,684).
- King County's income is 1.6 times (56%) richer than St. Tammany Parish's.
Poorest county
- Louisiana: East Carroll Parish ($36,751 per capita income) vs Washington: Ferry County ($50,456).
- Ferry County's income is 1.4 times (37%) richer than East Carroll Parish's.
Louisiana vs Washington Taxes
State income tax
- Louisiana has a top income tax rate of 3%, while Washington has a 9% tax on capital gains only.
Property tax
- Louisiana: 0.53% effective rate vs Washington: 0.79% of home value per year.
- Washington's rate is 0.26 percentage points higher.
Sales tax
- Louisiana: 10.13% combined state and average local rate vs Washington: 9.57%.
- Louisiana's combined rate is 0.56 percentage points higher.
Official Websites
Louisiana official website · Washington official website
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More Size Comparisons
All Louisiana 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.