Yes it is about 2.5 times as large as Duval County.
Yes Polk County contains 1,875 square miles while Duval County contains only 774 square miles.
Jacksonville Florida is Duval County. Area Code 904.
Jacksonville is 885 square miles.
Largest county by population : Miami-Dade, 2,376,014 (2005); Largest county by area: Palm Beach, 2,034 sq mi.
Polk County is the largest county in Iowa with population of 430,640 as of the 2010 U.S. Census. Kossuth County is the largest county in Iowa with total land area of 973 square miles.
It has the largest population but Randolf County with 1,040 square miles is larger in area.
A county? state? tri-state area? country?
Thomas Duval Roberts has written: 'Area handbook for Laos' 'Area handbook for Ivory Coast' 'Area handbook for the Republic of Turkey'
If you are going to Englewood, FL in Duval County (Jacksonville area) its about 323 miles. There is a second Englewood in Sarasota County just North of Ft Myers that is about 50 miles away.
Canada at 10 million sq/kms, only Russia is larger.
San Bernardino County in California. It is larger than each of the six smallest states. Four boroughs of Alaska are each larger, but of course they are not "counties".
The smallest country by area east of the Mississippi river is Israel. Its a small country surrounded by larger countries and keeps getting smaller.
The area that had its border set at the 49th parallel by President Polk and Britain in 1849 is Oregon.