The map above shows Maryland and Rhode Island side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maryland vs Rhode Island Geography
Land area: Maryland has a land area of 9,711 square miles (25,151 km²), while Rhode Island has 1,034 square miles (2,678 km²). Maryland's land area is 9.4 times (839%) larger than Rhode Island's.
Total area: Maryland: 12,406 square miles (32,131 km²) vs Rhode Island: 1,545 square miles (4,002 km²), including inland and coastal water. Maryland's total area is 8.0 times (703%) larger than Rhode Island's.
Length: Maryland is 231 miles (371 km) long from north to south; Rhode Island is 61 miles (98 km). Maryland's north-south length is 3.8 times (279%) longer than Rhode Island's.
Width: Maryland spans 243 miles (391 km) east to west; Rhode Island spans 42 miles (67 km). Maryland's east-west width is 5.8 times (479%) wider than Rhode Island's.
Highest point: Maryland's highest point is Hoye-Crest at 3,362 feet (1,025 m); Rhode Island's is Jerimoth Hill at 811 feet (247 m). Hoye-Crest is 2,551 feet higher than Jerimoth Hill.
Lowest point: Maryland's lowest point is Atlantic Ocean at 0 feet; Rhode Island's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Maryland vs Rhode Island Population and History
Population: Maryland has a population of 6,263,220 (2024), while Rhode Island has 1,112,308 (2024). Maryland's population is 5.6 times (463%) larger than Rhode Island's.
Population density: Maryland: 645.0 people per square mile vs Rhode Island: 1,075.8. Rhode Island's population density is 1.7 times (67%) higher than Maryland's.
Biggest city: Maryland's biggest city is Baltimore with 568,271 people; Rhode Island's is Providence with 194,706. Baltimore's population is 2.9 times (192%) larger than Providence's.
Largest metro area: Maryland's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Rhode Island's Providence-Warwick, RI-MA metro area (1,700,901). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 3.8 times (278%) larger than Providence-Warwick, RI-MA metro area's.
History: Maryland: Admitted to the Union on April 28, 1788, as the 7th state. Rhode Island: Admitted to the Union on May 29, 1790, as the 13th state. In its current form, Maryland is the older of the two by 2 years.
Maryland vs Rhode Island Economy
GDP: Maryland's GDP is $546.0 billion (2024) vs Rhode Island's $80.4 billion. Maryland's economic output is 6.8 times (579%) larger than Rhode Island's.
GDP per capita: Maryland: $87,180 per person vs Rhode Island: $72,265. Maryland's GDP per capita is 1.2 times (21%) higher than Rhode Island's.
Average income: Maryland: $79,259 vs Rhode Island: $70,622 average income per person (per capita personal income). Maryland's average income is 1.1 times (12%) higher than Rhode Island's.
Maryland vs Rhode Island Counties
Number of counties: Maryland has 24 counties, while Rhode Island has 5. Maryland's county count is 4.8 times (380%) higher than Rhode Island's.
Biggest county by area: Maryland's largest county is Frederick County at 661 square miles; Rhode Island's is Providence County at 410 square miles. Frederick County's land area is 1.6 times (61%) larger than Providence County's.
Smallest county by area: Maryland: Baltimore city (81 sq mi) vs Rhode Island: Bristol County (24 sq mi). Baltimore city's land area is 3.4 times (236%) larger than Bristol County's.
Most populous county: Maryland: Montgomery County (1,082,273 people) vs Rhode Island: Providence County (675,912 people). Montgomery County's population is 1.6 times (60%) larger than Providence County's.
Least populous county: Maryland: Kent County (19,557 people) vs Rhode Island: Bristol County (50,145 people). Bristol County's population is 2.6 times (156%) larger than Kent County's.
Richest county: Maryland: Montgomery County ($104,882 per capita income) vs Rhode Island: Bristol County ($99,923). Montgomery County's income is 1.0 times (5%) richer than Bristol County's.
Poorest county: Maryland: Somerset County ($41,421 per capita income) vs Rhode Island: Providence County ($61,040). Providence County's income is 1.5 times (47%) richer than Somerset County's.
Maryland vs Rhode Island Taxes
State income tax: Maryland has a top income tax rate of 6.5%, while Rhode Island has a top income tax rate of 5.99%. Maryland's top rate is 0.51 percentage points higher.
Property tax: Maryland: 0.95% effective rate vs Rhode Island: 1.07% of home value per year. Rhode Island's rate is 0.12 percentage points higher.
Sales tax: Maryland: 6% combined state and average local rate vs Rhode Island: 7%. Rhode Island's combined rate is 1 percentage points higher.
Official Websites
Maryland official website · Rhode Island official website
More Size Comparisons
All Maryland size comparisons · All Rhode Island 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.