The map above shows Nebraska and South Dakota side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Nebraska vs South Dakota Geography
Land area
- Nebraska has a land area of 76,815 square miles (198,950 km²), while South Dakota has 75,808 square miles (196,342 km²).
- Nebraska and South Dakota have about the same land area.
Total area
- Nebraska: 77,347 square miles (200,329 km²) vs South Dakota: 77,116 square miles (199,729 km²), including inland and coastal water.
- Nebraska and South Dakota have about the same total area.
Length
- Nebraska is 497 miles (800 km) long from north to south; South Dakota is 443 miles (712 km).
- Nebraska's north-south length is 1.1 times (12%) longer than South Dakota's.
Width
- Nebraska spans 464 miles (747 km) east to west; South Dakota spans 371 miles (597 km).
- Nebraska's east-west width is 1.3 times (25%) wider than South Dakota's.
Highest point
- Nebraska's highest point is Panorama Point at 5,428 feet (1,654 m); South Dakota's is Black Elk Peak at 7,198 feet (2,194 m).
- Black Elk Peak is 1,770 feet higher than Panorama Point.
Lowest point
- Nebraska's lowest point is Missouri River at 840 feet; South Dakota's is Big Stone Lake at 966 feet.
- Nebraska's lowest point is 126 feet lower.
Nebraska vs South Dakota Population and History
Population
- Nebraska has a population of 2,005,465 (2024), while South Dakota has 924,669 (2024).
- Nebraska's population is 2.2 times (117%) larger than South Dakota's.
Population density
- Nebraska: 26.1 people per square mile vs South Dakota: 12.2.
- Nebraska's population density is 2.1 times (114%) higher than South Dakota's.
Biggest city
- Nebraska's biggest city is Omaha with 489,265 people; South Dakota's is Sioux Falls with 209,289.
- Omaha's population is 2.3 times (134%) larger than Sioux Falls'.
Largest metro area
- Nebraska's largest metropolitan area is Omaha, NE-IA metro area (1,001,010 people) vs South Dakota's Sioux Falls, SD-MN metro area (308,266).
- Omaha, NE-IA metro area's population is 3.2 times (225%) larger than Sioux Falls, SD-MN metro area's.
History
- Nebraska: Admitted to the Union on March 1, 1867, as the 37th state.
- South Dakota: Admitted to the Union on November 2, 1889, as the 40th state.
- In its current form, Nebraska is the older of the two by 22 years.
Nebraska vs South Dakota Economy
GDP
- Nebraska's GDP is $189.2 billion (2024) vs South Dakota's $76.8 billion.
- Nebraska's economic output is 2.5 times (146%) larger than South Dakota's.
GDP per capita
- Nebraska: $94,363 per person vs South Dakota: $83,052.
- Nebraska's GDP per capita is 1.1 times (14%) higher than South Dakota's.
Average income
- Nebraska: $72,701 vs South Dakota: $75,699 average income per person (per capita personal income).
- Nebraska and South Dakota have about the same average income.
Nebraska vs South Dakota Counties
Number of counties
- Nebraska has 93 counties, while South Dakota has 66.
- Nebraska's county count is 1.4 times (41%) higher than South Dakota's.
Biggest county by area
- Nebraska's largest county is Cherry County at 5,960 square miles; South Dakota's is Meade County at 3,471 square miles.
- Cherry County's land area is 1.7 times (72%) larger than Meade County's.
Smallest county by area
- Nebraska: Sarpy County (238 sq mi) vs South Dakota: Clay County (412 sq mi).
- Clay County's land area is 1.7 times (73%) larger than Sarpy County's.
Most populous county
- Nebraska: Douglas County (601,158 people) vs South Dakota: Minnehaha County (208,639 people).
- Douglas County's population is 2.9 times (188%) larger than Minnehaha County's.
Least populous county
- Nebraska: McPherson County (376 people) vs South Dakota: Jones County (874 people).
- Jones County's population is 2.3 times (132%) larger than McPherson County's.
Richest county
- Nebraska: Pierce County ($112,729 per capita income) vs South Dakota: Union County ($146,712).
- Union County's income is 1.3 times (30%) richer than Pierce County's.
Poorest county
- Nebraska: Johnson County ($45,756 per capita income) vs South Dakota: Ziebach County ($32,778).
- Johnson County's income is 1.4 times (40%) richer than Ziebach County's.
Nebraska vs South Dakota Taxes
State income tax
- Nebraska has a top income tax rate of 4.55%, while South Dakota has no state income tax.
- Nebraska's top rate is 4.55 percentage points higher.
Property tax
- Nebraska: 1.42% effective rate vs South Dakota: 1.02% of home value per year.
- Nebraska's rate is 0.4 percentage points higher.
Sales tax
- Nebraska: 6.98% combined state and average local rate vs South Dakota: 6.11%.
- Nebraska's combined rate is 0.87 percentage points higher.
Official Websites
Nebraska official website · South Dakota official website
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More Size Comparisons
All Nebraska size comparisons · All South Dakota 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.