An unprecedented amount of public attention focused on Muslim Americans in the wake of the terrorist attacks of Sept. 11, 2001. The U.S. Muslim population has grown in the two decades since, but it is still the case that many Americans know little about Islam or Muslims, and views toward Muslims have become increasingly polarized along political lines. https://www.pewresearch.org/wp-content/uploads/2021/08/ft_2021.09.01_muslimsinamerica_02.png?resize=202,300 202w, https://www.pewresearch.org/wp-content/uploads/2021/08/ft_2021.09.01_muslimsinamerica_02.png?resize=160,238 160w, https://www.pewresearch.org/wp-content/uploads/2021/08/ft_2021.09.01_muslimsinamerica_02.png?resize=272,405 272w, https://www.pewresearch.org/wp-content/uploads/2021/08/ft_2021.09.01_muslimsinamerica_02.png?resize=200,298 200w, https://www.pewresearch.org/wp-content/uploads/2021/08/ft_2021.09.01_muslimsinamerica_02.png?resize=260,387 260w, https://www.pewresearch.org/wp-content/uploads/2021/08/ft_2021.09.01_muslimsinamerica_02.png?resize=310,461 310w, https://www.pewresearch.org/wp-content/uploads/2021/08/ft_2021.09.01_muslimsinamerica_02.png?resize=420,625 420w" sizes="(max-width: 621px) 100vw, 621px" style="box-sizing:inherit;border-style:none;height:auto;margin-bottom:0px;max-width:100%;border-radius:inherit"> There were about 2.35 million Muslim adults and children living in the United States in 2007 – accounting for 0.8% of the U.S. population – when…