The map above shows Massachusetts and Wisconsin side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Massachusetts vs Wisconsin Geography
Land area: Massachusetts has a land area of 7,801 square miles (20,204 km²), while Wisconsin has 54,168 square miles (140,294 km²). Wisconsin's land area is 6.9 times (594%) larger than Massachusetts'.
Total area: Massachusetts: 10,554 square miles (27,335 km²) vs Wisconsin: 65,497 square miles (169,636 km²), including inland and coastal water. Wisconsin's total area is 6.2 times (521%) larger than Massachusetts'.
Length: Massachusetts is 123 miles (198 km) long from north to south; Wisconsin is 368 miles (593 km). Wisconsin's north-south length is 3.0 times (199%) longer than Massachusetts'.
Width: Massachusetts spans 185 miles (297 km) east to west; Wisconsin spans 323 miles (521 km). Wisconsin's east-west width is 1.7 times (75%) wider than Massachusetts'.
Highest point: Massachusetts's highest point is Mount Greylock at 3,489 feet (1,063 m); Wisconsin's is Timms Hill at 1,946 feet (593 m). Mount Greylock is 1,543 feet higher than Timms Hill.
Lowest point: Massachusetts's lowest point is Atlantic Ocean at 0 feet; Wisconsin's is Lake Michigan at 577 feet. Massachusetts's lowest point is 577 feet lower.
Massachusetts vs Wisconsin Population and History
Population: Massachusetts has a population of 7,136,171 (2024), while Wisconsin has 5,960,975 (2024). Massachusetts' population is 1.2 times (20%) larger than Wisconsin's.
Population density: Massachusetts: 914.8 people per square mile vs Wisconsin: 110.0. Massachusetts' population density is 8.3 times (732%) higher than Wisconsin's.
Biggest city: Massachusetts's biggest city is Boston with 673,458 people; Wisconsin's is Milwaukee with 563,531. Boston's population is 1.2 times (20%) larger than Milwaukee's.
Largest metro area: Massachusetts's largest metropolitan area is Boston-Cambridge-Newton, MA-NH metro area (5,025,517 people) vs Wisconsin's Minneapolis-St. Paul-Bloomington, MN-WI metro area (3,757,952). Boston-Cambridge-Newton, MA-NH metro area's population is 1.3 times (34%) larger than Minneapolis-St. Paul-Bloomington, MN-WI metro area's.
History: Massachusetts: Admitted to the Union on February 6, 1788, as the 6th state. Wisconsin: Admitted to the Union on May 29, 1848, as the 30th state. In its current form, Massachusetts is the older of the two by 60 years.
Massachusetts vs Wisconsin Economy
GDP: Massachusetts's GDP is $778.5 billion (2024) vs Wisconsin's $453.3 billion. Massachusetts' economic output is 1.7 times (72%) larger than Wisconsin's.
GDP per capita: Massachusetts: $109,095 per person vs Wisconsin: $76,044. Massachusetts' GDP per capita is 1.4 times (43%) higher than Wisconsin's.
Average income: Massachusetts: $93,607 vs Wisconsin: $67,755 average income per person (per capita personal income). Massachusetts' average income is 1.4 times (38%) higher than Wisconsin's.
Massachusetts vs Wisconsin Counties
Number of counties: Massachusetts has 14 counties, while Wisconsin has 72. Wisconsin's county count is 5.1 times (414%) higher than Massachusetts'.
Biggest county by area: Massachusetts's largest county is Worcester County at 1,511 square miles; Wisconsin's is Marathon County at 1,545 square miles. Worcester County and Marathon County have about the same land area.
Smallest county by area: Massachusetts: Nantucket County (46 sq mi) vs Wisconsin: Pepin County (232 sq mi). Pepin County's land area is 5.0 times (402%) larger than Nantucket County's.
Most populous county: Massachusetts: Middlesex County (1,668,956 people) vs Wisconsin: Milwaukee County (924,740 people). Middlesex County's population is 1.8 times (80%) larger than Milwaukee County's.
Least populous county: Massachusetts: Nantucket County (14,670 people) vs Wisconsin: Menominee County (4,286 people). Nantucket County's population is 3.4 times (242%) larger than Menominee County's.
Richest county: Massachusetts: Nantucket County ($129,250 per capita income) vs Wisconsin: Ozaukee County ($109,947). Nantucket County's income is 1.2 times (18%) richer than Ozaukee County's.
Poorest county: Massachusetts: Hampshire County ($65,432 per capita income) vs Wisconsin: Menominee County ($43,696). Hampshire County's income is 1.5 times (50%) richer than Menominee County's.
Massachusetts vs Wisconsin Taxes
State income tax: Massachusetts has a top income tax rate of 9%, while Wisconsin has a top income tax rate of 7.65%. Massachusetts's top rate is 1.35 percentage points higher.
Property tax: Massachusetts: 1% effective rate vs Wisconsin: 1.25% of home value per year. Wisconsin's rate is 0.25 percentage points higher.
Sales tax: Massachusetts: 6.25% combined state and average local rate vs Wisconsin: 5.72%. Massachusetts's combined rate is 0.53 percentage points higher.
Official Websites
Massachusetts official website · Wisconsin official website
More Size Comparisons
All Massachusetts 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.