The map above shows Missouri and Oregon side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Missouri vs Oregon Geography
Land area: Missouri has a land area of 68,746 square miles (178,052 km²), while Oregon has 95,997 square miles (248,630 km²). Oregon's land area is 1.4 times (40%) larger than Missouri's.
Total area: Missouri: 69,707 square miles (180,540 km²) vs Oregon: 98,379 square miles (254,799 km²), including inland and coastal water. Oregon's total area is 1.4 times (41%) larger than Missouri's.
Length: Missouri is 328 miles (529 km) long from north to south; Oregon is 453 miles (730 km). Oregon's north-south length is 1.4 times (38%) longer than Missouri's.
Width: Missouri spans 437 miles (703 km) east to west; Oregon spans 445 miles (715 km). Missouri and Oregon have about the same east-west width.
Highest point: Missouri's highest point is Taum Sauk Mountain at 1,771 feet (540 m); Oregon's is Mount Hood at 11,232 feet (3,424 m). Mount Hood is 9,461 feet higher than Taum Sauk Mountain.
Lowest point: Missouri's lowest point is St. Francis River at 230 feet; Oregon's is Pacific Ocean at 0 feet. Oregon's lowest point is 230 feet lower.
Missouri vs Oregon Population and History
Population: Missouri has a population of 6,245,466 (2024), while Oregon has 4,272,371 (2024). Missouri's population is 1.5 times (46%) larger than Oregon's.
Population density: Missouri: 90.8 people per square mile vs Oregon: 44.5. Missouri's population density is 2.0 times (104%) higher than Oregon's.
Biggest city: Missouri's biggest city is Kansas City with 516,032 people; Oregon's is Portland with 635,749. Portland's population is 1.2 times (23%) larger than Kansas City's.
Largest metro area: Missouri's largest metropolitan area is St. Louis, MO-IL metro area (2,811,927 people) vs Oregon's Portland-Vancouver-Hillsboro, OR-WA metro area (2,537,904). St. Louis, MO-IL metro area's population is 1.1 times (11%) larger than Portland-Vancouver-Hillsboro, OR-WA metro area's.
History: Missouri: Admitted to the Union on August 10, 1821, as the 24th state. Oregon: Admitted to the Union on February 14, 1859, as the 33rd state. In its current form, Missouri is the older of the two by 38 years.
Missouri vs Oregon Economy
GDP: Missouri's GDP is $448.7 billion (2024) vs Oregon's $330.2 billion. Missouri's economic output is 1.4 times (36%) larger than Oregon's.
GDP per capita: Missouri: $71,846 per person vs Oregon: $77,299. Oregon's GDP per capita is 1.1 times (8%) higher than Missouri's.
Average income: Missouri: $64,920 vs Oregon: $70,823 average income per person (per capita personal income). Oregon's average income is 1.1 times (9%) higher than Missouri's.
Missouri vs Oregon Counties
Number of counties: Missouri has 115 counties, while Oregon has 36. Missouri's county count is 3.2 times (219%) higher than Oregon's.
Biggest county by area: Missouri's largest county is Texas County at 1,177 square miles; Oregon's is Harney County at 10,134 square miles. Harney County's land area is 8.6 times (761%) larger than Texas County's.
Smallest county by area: Missouri: St. Louis city (62 sq mi) vs Oregon: Multnomah County (431 sq mi). Multnomah County's land area is 7.0 times (599%) larger than St. Louis city's.
Most populous county: Missouri: St. Louis County (992,929 people) vs Oregon: Multnomah County (795,897 people). St. Louis County's population is 1.2 times (25%) larger than Multnomah County's.
Least populous county: Missouri: Worth County (1,872 people) vs Oregon: Wheeler County (1,456 people). Worth County's population is 1.3 times (29%) larger than Wheeler County's.
Richest county: Missouri: St. Louis County ($104,775 per capita income) vs Oregon: Deschutes County ($86,176). St. Louis County's income is 1.2 times (22%) richer than Deschutes County's.
Poorest county: Missouri: Douglas County ($40,515 per capita income) vs Oregon: Malheur County ($42,974). Malheur County's income is 1.1 times (6%) richer than Douglas County's.
Missouri vs Oregon Taxes
State income tax: Missouri has a top income tax rate of 4.7%, while Oregon has a top income tax rate of 9.9%. Oregon's top rate is 5.2 percentage points higher.
Property tax: Missouri: 0.79% effective rate vs Oregon: 0.78% of home value per year. The two are essentially equal.
Sales tax: Missouri: 8.44% combined state and average local rate vs Oregon: 0%. Missouri's combined rate is 8.44 percentage points higher.
Official Websites
Missouri official website · Oregon official website
More Size Comparisons
All Missouri size comparisons · All Oregon 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.