No. In area Union county is the largest, and in population the Pulaski county. Little Rock isn't even a county. It's a city.
Pulaski county
Arkansas Post was the capital of the Arkansas Territory until 1821. The capital of the Arkansas Territory was moved to Little Rock from Arkansas Post in 1821. Arkansas was admitted to the Union on June 15, 1836. Little Rock was the first and only capital city in the State of Arkansas.
There are 75 counties in Arkansas. Pulaski County, which includes Little Rock, is the most populous county in Arkansas with a population of 392,000.
Count Pulaski in Little Rock, Arkansas
Little Rock is the capital of Arkansas. It is found in almost the center of Arkansas. It is located in Pulaski County. Little Rock's population is astoundingly over 190k or 190 thousand. The closest city in Arkansas, population wise, is Fort Smith.
Little Rock is the capital city in Arkansas. It is the largest city in Arkansas. The estimated population in Little Rock was 197,992 as of July 1, 2015 per the U.S. Census Bureau.
Fort Smith is the second largest city in Arkansas, after Little Rock. It is located in the western part of the state near the Oklahoma border and is known for its historical significance and role in Arkansas's development.
Little Rock is the capital and the most populous city in Arkansas. It is located on the south bank of the Arkansas River very near the geographic center of the state.
Little Rock -- both the capital and largest city.
Little Rock is the capital and the largest city of the U.S. state of Arkansas. It's located near the geographic center of Arkansas, Little Rock derives its name from a small rock formation on the south bank of the Arkansas River called la Petite Roche
Benton, Arkansas (not be confused with Bentonville in the same state) is a suburb of Little Rock. It is the county seat of Saline County and is fairly centrally located in the state.
It should be: In Little Rock Arkansas.