The map above shows Maryland and Wisconsin side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maryland vs Wisconsin Geography
Land area: Maryland has a land area of 9,711 square miles (25,151 km²), while Wisconsin has 54,168 square miles (140,294 km²). Wisconsin's land area is 5.6 times (458%) larger than Maryland's.
Total area: Maryland: 12,406 square miles (32,131 km²) vs Wisconsin: 65,497 square miles (169,636 km²), including inland and coastal water. Wisconsin's total area is 5.3 times (428%) larger than Maryland's.
Length: Maryland is 231 miles (371 km) long from north to south; Wisconsin is 368 miles (593 km). Wisconsin's north-south length is 1.6 times (59%) longer than Maryland's.
Width: Maryland spans 243 miles (391 km) east to west; Wisconsin spans 323 miles (521 km). Wisconsin's east-west width is 1.3 times (33%) wider than Maryland's.
Highest point: Maryland's highest point is Hoye-Crest at 3,362 feet (1,025 m); Wisconsin's is Timms Hill at 1,946 feet (593 m). Hoye-Crest is 1,416 feet higher than Timms Hill.
Lowest point: Maryland's lowest point is Atlantic Ocean at 0 feet; Wisconsin's is Lake Michigan at 577 feet. Maryland's lowest point is 577 feet lower.
Maryland vs Wisconsin Population and History
Population: Maryland has a population of 6,263,220 (2024), while Wisconsin has 5,960,975 (2024). Maryland's population is 1.1 times (5%) larger than Wisconsin's.
Population density: Maryland: 645.0 people per square mile vs Wisconsin: 110.0. Maryland's population density is 5.9 times (486%) higher than Wisconsin's.
Biggest city: Maryland's biggest city is Baltimore with 568,271 people; Wisconsin's is Milwaukee with 563,531. Baltimore and Milwaukee have about the same population.
Largest metro area: Maryland's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Wisconsin's Minneapolis-St. Paul-Bloomington, MN-WI metro area (3,757,952). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 1.7 times (71%) larger than Minneapolis-St. Paul-Bloomington, MN-WI metro area's.
History: Maryland: Admitted to the Union on April 28, 1788, as the 7th state. Wisconsin: Admitted to the Union on May 29, 1848, as the 30th state. In its current form, Maryland is the older of the two by 60 years.
Maryland vs Wisconsin Economy
GDP: Maryland's GDP is $546.0 billion (2024) vs Wisconsin's $453.3 billion. Maryland's economic output is 1.2 times (20%) larger than Wisconsin's.
GDP per capita: Maryland: $87,180 per person vs Wisconsin: $76,044. Maryland's GDP per capita is 1.1 times (15%) higher than Wisconsin's.
Average income: Maryland: $79,259 vs Wisconsin: $67,755 average income per person (per capita personal income). Maryland's average income is 1.2 times (17%) higher than Wisconsin's.
Maryland vs Wisconsin Counties
Number of counties: Maryland has 24 counties, while Wisconsin has 72. Wisconsin's county count is 3.0 times (200%) higher than Maryland's.
Biggest county by area: Maryland's largest county is Frederick County at 661 square miles; Wisconsin's is Marathon County at 1,545 square miles. Marathon County's land area is 2.3 times (134%) larger than Frederick County's.
Smallest county by area: Maryland: Baltimore city (81 sq mi) vs Wisconsin: Pepin County (232 sq mi). Pepin County's land area is 2.9 times (187%) larger than Baltimore city's.
Most populous county: Maryland: Montgomery County (1,082,273 people) vs Wisconsin: Milwaukee County (924,740 people). Montgomery County's population is 1.2 times (17%) larger than Milwaukee County's.
Least populous county: Maryland: Kent County (19,557 people) vs Wisconsin: Menominee County (4,286 people). Kent County's population is 4.6 times (356%) larger than Menominee County's.
Richest county: Maryland: Montgomery County ($104,882 per capita income) vs Wisconsin: Ozaukee County ($109,947). Ozaukee County's income is 1.0 times (5%) richer than Montgomery County's.
Poorest county: Maryland: Somerset County ($41,421 per capita income) vs Wisconsin: Menominee County ($43,696). Menominee County's income is 1.1 times (5%) richer than Somerset County's.
Maryland vs Wisconsin Taxes
State income tax: Maryland has a top income tax rate of 6.5%, while Wisconsin has a top income tax rate of 7.65%. Wisconsin's top rate is 1.15 percentage points higher.
Property tax: Maryland: 0.95% effective rate vs Wisconsin: 1.25% of home value per year. Wisconsin's rate is 0.3 percentage points higher.
Sales tax: Maryland: 6% combined state and average local rate vs Wisconsin: 5.72%. Maryland's combined rate is 0.28 percentage points higher.
Official Websites
Maryland official website · Wisconsin official website
More Size Comparisons
All Maryland 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.