The map above shows South Dakota and Guam side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
South Dakota vs Guam Geography
Land area
- South Dakota has a land area of 75,808 square miles (196,342 km²), while Guam has 210 square miles (544 km²).
- South Dakota's land area is 360.9 times larger than Guam's.
Total area
- South Dakota: 77,116 square miles (199,729 km²) vs Guam: 210 square miles (544 km²), including inland and coastal water.
- South Dakota's total area is 367.1 times larger than Guam's.
Length
- South Dakota is 443 miles (712 km) long from north to south; Guam is 27 miles (43 km).
- South Dakota's north-south length is 16.4 times longer than Guam's.
Width
- South Dakota spans 371 miles (597 km) east to west; Guam spans 22 miles (35 km).
- South Dakota's east-west width is 16.9 times wider than Guam's.
Highest point
- South Dakota's highest point is Black Elk Peak at 7,198 feet (2,194 m); Guam's is Mount Lamlam at 1,332 feet (406 m).
- Black Elk Peak is 5,866 feet higher than Mount Lamlam.
Lowest point
- South Dakota's lowest point is Big Stone Lake at 966 feet; Guam's is Pacific Ocean at 0 feet.
- Guam's lowest point is 966 feet lower.
South Dakota vs Guam Population and History
Population
- South Dakota has a population of 924,669 (2024), while Guam has 153,836 (2020).
- South Dakota's population is 6.0 times (501%) larger than Guam's.
Population density
- South Dakota: 12.2 people per square mile vs Guam: 732.6.
- Guam's population density is 60.0 times higher than South Dakota's.
History
- South Dakota: Admitted to the Union on November 2, 1889, as the 40th state.
- Guam: A US territory since 1898.
- In its current form, South Dakota is the older of the two by 9 years.
Official Websites
South Dakota official website · Guam official website
Download the South Dakota vs Guam Size Comparison Map for free
To download the map, right-click the image above (or press and hold on a phone or tablet) and choose Save image as. The map is free to use anywhere, including on your own website or in print, as long as you credit it with a link back to this page or to BrilliantMaps.com.
More Size Comparisons
All South Dakota size comparisons · All Guam 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.