There is only one Carson and it's located in California. However, there are two Carson City's and one is in Michigan and the other in Nevada.
Missouri and Kansas have cities named Kansas City. The city spans the border between the two states with the larger part on the city in Missouri.
Oklahoma
A few states have a city with that name. I think you mean Nevada
There are six states in the US that have cities named Rogers. They are California, Arkansas, Minnesota, Nebraska, Ohio, and Virginia. There is also a city named Rogers City in Michigan.
Nevada. Named after mass murderer Kit Carson, who murdered thousands of Native Americans. Carson City, Nevada.
Nevada capitol is name after a mass murderer named Kit Carson. He murder Native American. Carson City.
Kansas and Missouri
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The question should be: How many states have cities named after them in THEIR state? (If it is worded in this manner.) Or better yet: How many states also have a city with a matching name, such as Kansas City, Kansas?
there are 41 cities, towns and townships in the USA named Goshen.
All states have a town or city named Springfield.