Changing social and demographic trends in America will likely influence US public opinion toward Israel. This article identifies several social and demographic trends that recent polling data suggests will be particularly important for the future of public opinion toward Israel: the partisan and generational gaps in support for Israel, the decline in religiosity, the rise of Latinos, and American Jewry's changing face. Explaining each trend and assessing how it is likely to affect US public opinion toward Israel, the article proposes recommendations as to how Israel and its supporters should react to changing American demographics, in other words, what can be done to maximize US public support, which is a critical pillar of the US-Israel relationship and as such, a crucial strategic asset.