The map above shows Kentucky and New Hampshire side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Kentucky vs New Hampshire Geography
Land area: Kentucky has a land area of 39,485 square miles (102,267 km²), while New Hampshire has 8,954 square miles (23,190 km²). Kentucky's land area is 4.4 times (341%) larger than New Hampshire's.
Total area: Kentucky: 40,406 square miles (104,651 km²) vs New Hampshire: 9,350 square miles (24,216 km²), including inland and coastal water. Kentucky's total area is 4.3 times (332%) larger than New Hampshire's.
Length: Kentucky is 257 miles (414 km) long from north to south; New Hampshire is 180 miles (290 km). Kentucky's north-south length is 1.4 times (43%) longer than New Hampshire's.
Width: Kentucky spans 418 miles (672 km) east to west; New Hampshire spans 95 miles (152 km). Kentucky's east-west width is 4.4 times (340%) wider than New Hampshire's.
Highest point: Kentucky's highest point is Black Mountain at 4,134 feet (1,260 m); New Hampshire's is Mount Washington at 6,277 feet (1,913 m). Mount Washington is 2,143 feet higher than Black Mountain.
Lowest point: Kentucky's lowest point is Mississippi River at 270 feet; New Hampshire's is Atlantic Ocean at 0 feet. New Hampshire's lowest point is 270 feet lower.
Kentucky vs New Hampshire Population and History
Population: Kentucky has a population of 4,588,372 (2024), while New Hampshire has 1,409,032 (2024). Kentucky's population is 3.3 times (226%) larger than New Hampshire's.
Population density: Kentucky: 116.2 people per square mile vs New Hampshire: 157.4. New Hampshire's population density is 1.4 times (35%) higher than Kentucky's.
Biggest city: Kentucky's biggest city is Louisville with 640,796 people; New Hampshire's is Manchester with 116,386. Louisville's population is 5.5 times (451%) larger than Manchester's.
Largest metro area: Kentucky's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs New Hampshire's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). Boston-Cambridge-Newton, MA-NH metro area's population is 2.2 times (118%) larger than Cincinnati, OH-KY-IN metro area's.
History: Kentucky: Admitted to the Union on June 1, 1792, as the 15th state. New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state. In its current form, New Hampshire is the older of the two by 4 years.
Kentucky vs New Hampshire Economy
GDP: Kentucky's GDP is $295.4 billion (2024) vs New Hampshire's $119.3 billion. Kentucky's economic output is 2.5 times (148%) larger than New Hampshire's.
GDP per capita: Kentucky: $64,375 per person vs New Hampshire: $84,694. New Hampshire's GDP per capita is 1.3 times (32%) higher than Kentucky's.
Average income: Kentucky: $58,256 vs New Hampshire: $83,192 average income per person (per capita personal income). New Hampshire's average income is 1.4 times (43%) higher than Kentucky's.
Kentucky vs New Hampshire Counties
Number of counties: Kentucky has 120 counties, while New Hampshire has 10. Kentucky's county count is 12.0 times higher than New Hampshire's.
Biggest county by area: Kentucky's largest county is Pike County at 786 square miles; New Hampshire's is Coos County at 1,795 square miles. Coos County's land area is 2.3 times (128%) larger than Pike County's.
Smallest county by area: Kentucky: Gallatin County (98 sq mi) vs New Hampshire: Strafford County (368 sq mi). Strafford County's land area is 3.7 times (274%) larger than Gallatin County's.
Most populous county: Kentucky: Jefferson County (793,881 people) vs New Hampshire: Hillsborough County (430,462 people). Jefferson County's population is 1.8 times (84%) larger than Hillsborough County's.
Least populous county: Kentucky: Robertson County (2,382 people) vs New Hampshire: Coos County (31,094 people). Coos County's population is 13.1 times larger than Robertson County's.
Richest county: Kentucky: Oldham County ($87,137 per capita income) vs New Hampshire: Rockingham County ($100,216). Rockingham County's income is 1.2 times (15%) richer than Oldham County's.
Poorest county: Kentucky: Elliott County ($31,817 per capita income) vs New Hampshire: Coos County ($60,657). Coos County's income is 1.9 times (91%) richer than Elliott County's.
Kentucky vs New Hampshire Taxes
State income tax: Kentucky has a top income tax rate of 3.5%, while New Hampshire has no state income tax. Kentucky's top rate is 3.5 percentage points higher.
Property tax: Kentucky: 0.71% effective rate vs New Hampshire: 1.46% of home value per year. New Hampshire's rate is 0.75 percentage points higher.
Sales tax: Kentucky: 6% combined state and average local rate vs New Hampshire: 0%. Kentucky's combined rate is 6 percentage points higher.
Official Websites
Kentucky official website · New Hampshire official website
More Size Comparisons
All Kentucky size comparisons · All New Hampshire 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.