| Total population | |
|---|---|
| 1,703,930 0.6% of the US population | |
| Regions with significant populations | |
| Texas, Nebraska, The Dakotas, Wisconsin, Iowa, Minnesota, Illinois, Maryland, Oklahoma, Ohio, Pennsylvania, New York Metropolitan Area, Massachusetts | |
| Languages | |
| American English, Czech | |
| Religion | |
| Roman Catholicism, Protestantism, Judaism | |
| Related ethnic groups | |
| Czechs, Moravians, Silesians, Slovaks, Slovak Americans, Sorbs, Sorbian Americans, Poles, Polish Americans |
| Year | Number |
|---|---|
| 1980 | 1,892,456 |
| 1990 | 1,296,411 |
| 2000 | 1,262,527 |
| 2010 | 1,533,826 |
Czech Americans (Czech: Čechoameričané), known in the 19th and early 20th century as Bohemian Americans, are citizens of the United States who are of Czech descent.

The top 50 U.S. communities with the highest percentage of people claiming Czech ancestry are:
The top U.S. communities with the most residents born in the Czech Republic (former Czechoslovakia) are:
The states with the largest Czech American populations are:[source?]
| Texas | 155,855 |
| Illinois | 123,708 |
| Wisconsin | 97,220 |
| Minnesota | 85,056 |
| Nebraska | 83,462 |
| California | 77,673 |
| Ohio | 70,009 |
| Iowa | 51,508 |
| New York | 44,942 |
| Florida | 42,890 |
| Vermont | 38,000 |
However, these figures are grossly understated when second and third generation descendants are included.
The states with the top percentages of Czech Americans are:[source?]
| Nebraska | 5.5% |
| South Dakota | 2.3% |
| North Dakota | 2.2% |
| Wisconsin | 2.1% |
| Iowa | 2.1% |
| Minnesota | 2.1% |
| Illinois | 1.2% |
| Montana | 1.0% |
| Wyoming | 1.0% |
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