According to the July 2012 county population estimates released by the U. S. Census Bureau in March 2013, of the five Hawaiian counties, Kalawao County has the lowest population: 90.
Hawaii county
Tyrrell County is the smallest by population. The population of the county is 4.247.
Pickett County. The population was 4,945. It has the smallest population of any county in Tennessee according to the 2000 census
McCormick County is the county with the smallest population. The county has a total area of 394 square miles. The population is approximately 9960 residents.
The smallest county by population in Wyoming is Niobrara County with 2,484 people (2010 US Census).
Hawaii County.
Smallest county population wise in Ireland is Leitrim 27-28 thousand.
No, Wyoming does.
Robertson County
The smallest county sheriff's department in the United States is often considered to be that of Kalawao County in Hawaii. This county, located on the Kalaupapa Peninsula, has no permanent population and is primarily associated with a former leprosy colony. As a result, the sheriff's department consists of just one deputy, making it the smallest in terms of personnel.
Oahu is the most populated island in Hawaii; Maui County is the most populated county.
Clark County is Idaho's smallest county based on population with a population of 982 as of the 2010 Census. Payette County is Idaho's smallest county based on area with 408 square miles.