Where is Todd County?

3 Todd Counties in 3 states · 47,895 people (2025)

There are 3 counties named Todd County in the United States, in Kentucky, Minnesota and South Dakota. The most populous is Todd County, Minnesota (county seat: Long Prairie), with 26,060 people in 2025. 2 of them are named after John Blair Smith Todd, American Union Army general (1814-1872).

Map of the United States showing where all 3 Todd Counties are, labeled by state
Every Todd County in the United States (red), labeled with its state. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

All 3 Todd Counties

Sorted by state. Each link opens the county's map.

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Todd County, KentuckyElkton12,9723751819John Todd
Todd County, MinnesotaLong Prairie26,0609451855John Blair Smith Todd
Todd County, South DakotaWinner8,8631,3891909John Blair Smith Todd

Questions about Todd Counties

How many Todd Counties are there?

There are 3 Todd Counties in the United States, in Kentucky, Minnesota and South Dakota.

Which Todd County is the largest?

By population, Todd County, Minnesota (26,060 people in 2025). By land area, Todd County, South Dakota (1,389 sq mi).

Which Todd County is the oldest?

Todd County, Kentucky, established in 1819. The newest is Todd County, South Dakota (1909).

Why are there so many Todd Counties?

2 of the 3 are named after John Blair Smith Todd, American Union Army general (1814-1872). Many counties took their names from the same founders, presidents and generals as new states were organized.

How do I find out which Todd County an address is in?

Open the county map of the state: it has a search box for cities, towns and ZIP codes. On a phone, the "what county am I in" tool on our sister site uses your location.

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Other common county names