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The 10 Least Populated US Counties

Kalawao County in Hawaii is the least populated county in the US.

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There are 50 states in the United States, all of which are sub-divided into counties except for Louisiana (which has parishes) and Alaska (which has boroughs). A county is the immediate local government level immediately below the state itself. The US has 3,142 counties and county equivalents with the state of Texas having the highest number of counties (254). District of Columbia is considered both a state and a county for statistical purposes. Of the 3,007 counties and 135 county equivalent, seven counties have less than 500 residents while Los Angeles County is the most populous with over 10 million residents. Here are the least populated counties in the US.

Kalawao County, Hawaii

As of 2016, Kalawao County has an estimated population of only 88 residents. The population density is about 11 persons per square miles. The population of Kalawao has been on a decline since the turn of a new century. In 2000, the county had 147 residents which declined to 90 residents in 2010 and 88 in 2016. 

Loving County, Texas

Loving County has a population of 134 people as of 2017 population estimate by the US Census Bureau. In 2000, the county had a population of 67 resident and the growth has been attributed to increased movement of people into the county. Today, Loving County has a population density of 0.167 people per square mile. 

King County, Texas

King County is located in Texas and has an estimated population of 296 people, making it Texas’ second-least populated county after Loving County. The county’s population density is 0.3 people per square miles.

Kenedy County, Texas

Kenedy County in Texas has an estimated population of 417 as of 2017, making it the third-least populous county in Texas. The county’s population has been stagnant since 2000 with very insignificant growth. The population has grown by only 3 people since 2000.

Arthur County, Nebraska

Arthur County is the least populated county in Nebraska and the 5th least populated in the US with a population of 457 people. The county has a population density of 0.6 people per square miles. 

Other Least Populated Counties

Apart from the five counties discussed above, other counties in the US with approximately 600 residents include Blaine, McPherson, and Loup Counties in Nebraska with a population of 482, 499, and 609 residents respectively. Other counties include Petroleum County in Montana with 523 residents and Yakutat Borough in Alaska with 605 residents.

What Is The Least Populated US County?

Kalawao County in Hawaii is the least populated county in the US with an estimated population of only 88 residents.

The 10 Least Populated US Counties

RankCountyPopulation
1Kalawao County, Hawaii88
2Loving County, Texas134
3King County, Texas296
4Kenedy County, Texas417
5Arthur County, Nebraska457
6Blaine County, Nebraska482
7McPherson County, Nebraska499
8Petroleum County, Montana523
9Yakutat Borough, Alaska605
10Loup County, Nebraska609

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