The map above shows Maryland and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maryland vs Oklahoma Geography
Land area
- Maryland has a land area of 9,711 square miles (25,151 km²), while Oklahoma has 68,597 square miles (177,665 km²).
- Oklahoma's land area is 7.1 times (606%) larger than Maryland's.
Total area
- Maryland: 12,406 square miles (32,131 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water.
- Oklahoma's total area is 5.6 times (463%) larger than Maryland's.
Length
- Maryland is 231 miles (371 km) long from north to south; Oklahoma is 533 miles (857 km).
- Oklahoma's north-south length is 2.3 times (131%) longer than Maryland's.
Width
- Maryland spans 243 miles (391 km) east to west; Oklahoma spans 490 miles (789 km).
- Oklahoma's east-west width is 2.0 times (102%) wider than Maryland's.
Highest point
- Maryland's highest point is Hoye-Crest at 3,362 feet (1,025 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m).
- Black Mesa is 1,618 feet higher than Hoye-Crest.
Lowest point
- Maryland's lowest point is Atlantic Ocean at 0 feet; Oklahoma's is Little River at 289 feet.
- Maryland's lowest point is 289 feet lower.
Maryland vs Oklahoma Population and History
Population
- Maryland has a population of 6,263,220 (2024), while Oklahoma has 4,095,393 (2024).
- Maryland's population is 1.5 times (53%) larger than Oklahoma's.
Population density
- Maryland: 645.0 people per square mile vs Oklahoma: 59.7.
- Maryland's population density is 10.8 times higher than Oklahoma's.
Biggest city
- Maryland's biggest city is Baltimore with 568,271 people; Oklahoma's is Oklahoma City with 712,919.
- Oklahoma City's population is 1.3 times (25%) larger than Baltimore's.
Largest metro area
- Maryland's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Oklahoma's Oklahoma City, OK metro area (1,497,821).
- Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 4.3 times (330%) larger than Oklahoma City, OK metro area's.
History
- Maryland: Admitted to the Union on April 28, 1788, as the 7th state.
- Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state.
- In its current form, Maryland is the older of the two by 119 years.
Maryland vs Oklahoma Economy
GDP
- Maryland's GDP is $546.0 billion (2024) vs Oklahoma's $263.7 billion.
- Maryland's economic output is 2.1 times (107%) larger than Oklahoma's.
GDP per capita
- Maryland: $87,180 per person vs Oklahoma: $64,388.
- Maryland's GDP per capita is 1.4 times (35%) higher than Oklahoma's.
Average income
- Maryland: $79,259 vs Oklahoma: $63,708 average income per person (per capita personal income).
- Maryland's average income is 1.2 times (24%) higher than Oklahoma's.
Maryland vs Oklahoma Counties
Number of counties
- Maryland has 24 counties, while Oklahoma has 77.
- Oklahoma's county count is 3.2 times (221%) higher than Maryland's.
Biggest county by area
- Maryland's largest county is Frederick County at 661 square miles; Oklahoma's is Osage County at 2,247 square miles.
- Osage County's land area is 3.4 times (240%) larger than Frederick County's.
Smallest county by area
- Maryland: Baltimore city (81 sq mi) vs Oklahoma: Marshall County (372 sq mi).
- Marshall County's land area is 4.6 times (359%) larger than Baltimore city's.
Most populous county
- Maryland: Montgomery County (1,082,273 people) vs Oklahoma: Oklahoma County (816,490 people).
- Montgomery County's population is 1.3 times (33%) larger than Oklahoma County's.
Least populous county
- Maryland: Kent County (19,557 people) vs Oklahoma: Cimarron County (2,133 people).
- Kent County's population is 9.2 times (817%) larger than Cimarron County's.
Richest county
- Maryland: Montgomery County ($104,882 per capita income) vs Oklahoma: Washington County ($126,749).
- Washington County's income is 1.2 times (21%) richer than Montgomery County's.
Poorest county
- Maryland: Somerset County ($41,421 per capita income) vs Oklahoma: Atoka County ($38,709).
- Somerset County's income is 1.1 times (7%) richer than Atoka County's.
Maryland vs Oklahoma Taxes
State income tax
- Maryland has a top income tax rate of 6.5%, while Oklahoma has a top income tax rate of 4.5%.
- Maryland's top rate is 2 percentage points higher.
Property tax
- Maryland: 0.95% effective rate vs Oklahoma: 0.75% of home value per year.
- Maryland's rate is 0.2 percentage points higher.
Sales tax
- Maryland: 6% combined state and average local rate vs Oklahoma: 9.06%.
- Oklahoma's combined rate is 3.06 percentage points higher.
Official Websites
Maryland official website · Oklahoma official website
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More Size Comparisons
All Maryland size comparisons · All Oklahoma 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.