| Rank |
County |
Population (2012) |
| 1 |
Pulaski County, Arkansas
|
388,953
|
| 2 |
Benton County, Arkansas
|
232,268
|
| 3 |
Washington County, Arkansas
|
211,411
|
| 4 |
Sebastian County, Arkansas
|
127,304
|
| 5 |
Faulkner County, Arkansas
|
118,704
|
| 6 |
Saline County, Arkansas
|
111,845
|
| 7 |
Craighead County, Arkansas
|
99,735
|
| 8 |
Garland County, Arkansas
|
96,903
|
| 9 |
White County, Arkansas
|
78,493
|
| 10 |
Jefferson County, Arkansas
|
74,723
|
| 11 |
Lonoke County, Arkansas
|
69,839
|
| 12 |
Pope County, Arkansas
|
62,765
|
| 13 |
Crawford County, Arkansas
|
61,946
|
| 14 |
Crittenden County, Arkansas
|
50,021
|
| 15 |
Mississippi County, Arkansas
|
45,562
|
| 16 |
Miller County, Arkansas
|
43,634
|
| 17 |
Greene County, Arkansas
|
43,163
|
| 18 |
Baxter County, Arkansas
|
41,048
|
| 19 |
Union County, Arkansas
|
40,867
|
| 20 |
Boone County, Arkansas
|
37,327
|
| 21 |
Independence County, Arkansas
|
37,025
|
| 22 |
Hot Spring County, Arkansas
|
33,394
|
| 23 |
St Francis County, Arkansas
|
27,858
|
| 24 |
Carroll County, Arkansas
|
27,610
|
| 25 |
Johnson County, Arkansas
|
25,901
|
| 26 |
Cleburne County, Arkansas
|
25,808
|
| 27 |
Ouachita County, Arkansas
|
25,396
|
| 28 |
Columbia County, Arkansas
|
24,473
|
| 29 |
Poinsett County, Arkansas
|
24,307
|
| 30 |
Clark County, Arkansas
|
22,936
|
| 31 |
Hempstead County, Arkansas
|
22,373
|
| 32 |
Logan County, Arkansas
|
21,983
|
| 33 |
Yell County, Arkansas
|
21,932
|
| 34 |
Ashley County, Arkansas
|
21,524
|
| 35 |
Conway County, Arkansas
|
21,287
|
| 36 |
Phillips County, Arkansas
|
20,784
|
| 37 |
Polk County, Arkansas
|
20,471
|
| 38 |
Arkansas County, Arkansas
|
18,892
|
| 39 |
Drew County, Arkansas
|
18,743
|
| 40 |
Franklin County, Arkansas
|
18,045
|
| 41 |
Grant County, Arkansas
|
17,986
|
| 42 |
Randolph County, Arkansas
|
17,930
|
| 43 |
Cross County, Arkansas
|
17,683
|
| 44 |
Jackson County, Arkansas
|
17,600
|
| 45 |
Sevier County, Arkansas
|
17,177
|
| 46 |
Sharp County, Arkansas
|
17,054
|
| 47 |
Van Buren County, Arkansas
|
17,030
|
| 48 |
Lawrence County, Arkansas
|
17,012
|
| 49 |
Marion County, Arkansas
|
16,568
|
| 50 |
Clay County, Arkansas
|
15,684
|
| 51 |
Madison County, Arkansas
|
15,645
|
| 52 |
Lincoln County, Arkansas
|
14,101
|
| 53 |
Howard County, Arkansas
|
13,735
|
| 54 |
Izard County, Arkansas
|
13,474
|
| 55 |
Little River County, Arkansas
|
12,919
|
| 56 |
Stone County, Arkansas
|
12,663
|
| 57 |
Desha County, Arkansas
|
12,545
|
| 58 |
Fulton County, Arkansas
|
12,318
|
| 59 |
Chicot County, Arkansas
|
11,433
|
| 60 |
Bradley County, Arkansas
|
11,397
|
| 61 |
Pike County, Arkansas
|
11,247
|
| 62 |
Scott County, Arkansas
|
11,010
|
| 63 |
Perry County, Arkansas
|
10,339
|
| 64 |
Lee County, Arkansas
|
10,216
|
| 65 |
Montgomery County, Arkansas
|
9,340
|
| 66 |
Nevada County, Arkansas
|
8,925
|
| 67 |
Cleveland County, Arkansas
|
8,627
|
| 68 |
Prairie County, Arkansas
|
8,458
|
| 69 |
Newton County, Arkansas
|
8,086
|
| 70 |
Searcy County, Arkansas
|
8,007
|
| 71 |
Dallas County, Arkansas
|
7,987
|
| 72 |
Monroe County, Arkansas
|
7,828
|
| 73 |
Lafayette County, Arkansas
|
7,447
|
| 74 |
Woodruff County, Arkansas
|
7,100
|
| 75 |
Calhoun County, Arkansas
|
5,307
|