Clayton County | |
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Winter scene near Elkader | |
![]() Location within the U.S. state of Iowa | |
![]() Iowa's location within the U.S. | |
Coordinates: 42°50′37″N 91°20′36″W / 42.843611111111°N 91.343333333333°W | |
Country | ![]() |
State | ![]() |
Founded | 1837 |
Named for | John M. Clayton |
Seat | Elkader |
Largest city | Guttenberg |
Area | |
• Total | 793 sq mi (2,050 km2) |
• Land | 779 sq mi (2,020 km2) |
• Water | 14 sq mi (40 km2) 1.8% |
Population (2020) | |
• Total | 17,043 |
• Density | 21/sq mi (8.3/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 1st |
Website | www |
Clayton County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 17,043.[1] Its county seat is Elkader.[2] The county was established in 1837 and was named in honor of John M. Clayton,[3] United States Senator from Delaware and later Secretary of State under President Zachary Taylor.