1. Jefferson County: There are numerous Jefferson counties across the United States, named in honor of Thomas Jefferson. Some notable examples include:
- Jefferson County, Alabama
- Jefferson County, Arkansas
- Jefferson County, Colorado
- Jefferson County, Florida
- Jefferson County, Georgia
- Jefferson County, Kentucky
- Jefferson County, Mississippi
- Jefferson County, Missouri
- Jefferson County, Nebraska
- Jefferson County, Ohio
- Jefferson County, Oklahoma
- Jefferson County, Oregon
- Jefferson County, Pennsylvania
- Jefferson County, Tennessee
- Jefferson County, Texas
- Jefferson County, Washington
- Jefferson County, West Virginia
- Jefferson County, Wisconsin
2. Jefferson City, Missouri: The capital city of Missouri is named Jefferson City in honor of Thomas Jefferson.
3. Jefferson Davis Parish, Louisiana: This parish in Louisiana is named after Jefferson Davis, who served as the President of the Confederate States of America during the American Civil War. It's worth noting that the parish was initially named after President Jefferson, but the name was changed to honor Jefferson Davis in 1861.
4. Thomas Jefferson National Forest, Virginia: This national forest in Virginia is named after Thomas Jefferson and spans several counties in the state.
5. Jefferson Memorial, Washington D.C.: Located in Washington D.C., the Jefferson Memorial is a prominent landmark that honors Thomas Jefferson and commemorates his contributions to the United States.
These are just a few examples of places named after Thomas Jefferson, as his name can be found in various locations throughout the country, often reflecting his significant impact on American history and politics.