The map above shows Kansas and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Kansas vs Ohio Geography
Land area: Kansas has a land area of 81,759 square miles (211,754 km²), while Ohio has 40,859 square miles (105,824 km²). Kansas' land area is 2.0 times (100%) larger than Ohio's.
Total area: Kansas: 82,278 square miles (213,100 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water. Kansas' total area is 1.8 times (84%) larger than Ohio's.
Length: Kansas is 207 miles (334 km) long from north to south; Ohio is 291 miles (468 km). Ohio's north-south length is 1.4 times (41%) longer than Kansas'.
Width: Kansas spans 401 miles (645 km) east to west; Ohio spans 317 miles (510 km). Kansas' east-west width is 1.3 times (26%) wider than Ohio's.
Highest point: Kansas's highest point is Mount Sunflower at 4,040 feet (1,231 m); Ohio's is Campbell Hill at 1,547 feet (472 m). Mount Sunflower is 2,493 feet higher than Campbell Hill.
Lowest point: Kansas's lowest point is Verdigris River at 679 feet; Ohio's is Ohio River at 455 feet. Ohio's lowest point is 224 feet lower.
Kansas vs Ohio Population and History
Population: Kansas has a population of 2,970,606 (2024), while Ohio has 11,883,304 (2024). Ohio's population is 4.0 times (300%) larger than Kansas'.
Population density: Kansas: 36.3 people per square mile vs Ohio: 290.8. Ohio's population density is 8.0 times (701%) higher than Kansas'.
Biggest city: Kansas's biggest city is Wichita with 400,991 people; Ohio's is Columbus with 933,263. Columbus' population is 2.3 times (133%) larger than Wichita's.
Largest metro area: Kansas's largest metropolitan area is Kansas City, MO-KS metro area (2,253,579 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815). Kansas City, MO-KS metro area and Cincinnati, OH-KY-IN metro area have about the same population.
History: Kansas: Admitted to the Union on January 29, 1861, as the 34th state. Ohio: Admitted to the Union on March 1, 1803, as the 17th state. In its current form, Ohio is the older of the two by 58 years.
Kansas vs Ohio Economy
GDP: Kansas's GDP is $230.5 billion (2024) vs Ohio's $923.1 billion. Ohio's economic output is 4.0 times (300%) larger than Kansas'.
GDP per capita: Kansas: $77,601 per person vs Ohio: $77,684. Kansas and Ohio have about the same GDP per capita.
Average income: Kansas: $65,856 vs Ohio: $64,464 average income per person (per capita personal income). Kansas and Ohio have about the same average income.
Kansas vs Ohio Counties
Number of counties: Kansas has 105 counties, while Ohio has 88. Kansas' county count is 1.2 times (19%) higher than Ohio's.
Biggest county by area: Kansas's largest county is Butler County at 1,430 square miles; Ohio's is Ashtabula County at 702 square miles. Butler County's land area is 2.0 times (104%) larger than Ashtabula County's.
Smallest county by area: Kansas: Wyandotte County (152 sq mi) vs Ohio: Lake County (229 sq mi). Lake County's land area is 1.5 times (51%) larger than Wyandotte County's.
Most populous county: Kansas: Johnson County (632,276 people) vs Ohio: Franklin County (1,356,303 people). Franklin County's population is 2.1 times (115%) larger than Johnson County's.
Least populous county: Kansas: Greeley County (1,152 people) vs Ohio: Vinton County (12,545 people). Vinton County's population is 10.9 times larger than Greeley County's.
Richest county: Kansas: Greeley County ($134,780 per capita income) vs Ohio: Delaware County ($96,573). Greeley County's income is 1.4 times (40%) richer than Delaware County's.
Poorest county: Kansas: Wyandotte County ($42,878 per capita income) vs Ohio: Noble County ($34,940). Wyandotte County's income is 1.2 times (23%) richer than Noble County's.
Kansas vs Ohio Taxes
State income tax: Kansas has a top income tax rate of 5.58%, while Ohio has a top income tax rate of 2.75%. Kansas's top rate is 2.83 percentage points higher.
Property tax: Kansas: 1.25% effective rate vs Ohio: 1.22% of home value per year. Kansas's rate is 0.03 percentage points higher.
Sales tax: Kansas: 8.71% combined state and average local rate vs Ohio: 7.29%. Kansas's combined rate is 1.42 percentage points higher.
Official Websites
Kansas official website · Ohio official website
More Size Comparisons
All Kansas size comparisons · All Ohio 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.