Dynamic population density map of the United States

Click https://www.bing.com/images/search?view=detailV2&ccid=5x8iGSR2&id=9CE45FF65731964E9DC47FED8F79E0279D69F7CF&thid=OIP.5x8iGSR2OYwpTjjuYMWKkwHaEh&mediaurl=https://i.imgur.com/kOrMbUs.gif&cdnurl=https://th.bing.com/th/id/R.e71f22192476398c294e38ee60c58a93?rik=z%2fdpnSfgeY%2ftfw&pid=ImgRaw&r=0&exph=596&expw=977&q=growth+of+cities+in+U.S.+in+1800s&simid=608026455760830835&form=IRPRST&ck=764D3E81060C7D21F789D2BBF2505753&selectedindex=166&ajaxhist=0&ajaxserp=0&vt=0&sim=11&adlt=strict&shtp=GetUrl&shid=0c15a62d-2ca5-462d-97e2-948bff2fab7c&shtk=QW5pbWF0ZWQgbWFwIG9mIHBvcHVsYXRpb24gZGVuc2l0eSBpbiB0aGUgVS5TLiAoMTc5MCAuLi4%3D&shdk=Rm91bmQgb24gQmluZyBmcm9tIHd3dy52aXZpZG1hcHMuY29t&shhk=1bq%2FFkhoGsezxE6dHTRWK%2FvpWQ0DkdX1Xot2IDltGoE%3D&shth=OIP.5x8iGSR2OYwpTjjuYMWKkwHaEh link to open resource.