| County Name | State | Average Interest Income | Rank* | |||||
| Wade Hampton Census Area | Alaska | $67 | 1 | |||||
| North Slope Borough | Alaska | $149 | 2 | |||||
| Todd County | South Dakota | $151 | 3 | |||||
| Aleutians East Borough | Alaska | $152 | 4 | |||||
| Bethel Census Area | Alaska | $170 | 5 | |||||
| Northwest Arctic Borough | Alaska | $182 | 6 | |||||
| Maverick County | Texas | $192 | 7 | |||||
| Shannon County | South Dakota | $198 | 8 | |||||
| Liberty County | Georgia | $223 | 9 | |||||
| Starr County | Texas | $240 | 10 | |||||
| Manassas Park City | Virginia | $250 | 11 | |||||
| Aleutians West Census Area | Alaska | $257 | 12 | |||||
| Hoke County | North Carolina | $264 | 13 | |||||
| McKinley County | New Mexico | $266 | 14 | |||||
| Apache County | Arizona | $272 | 15 | |||||
| Nome Census Area | Alaska | $281 | 16 | |||||
| Sioux County | North Dakota | $305 | 17 | |||||
| Issaquena County | Mississippi | $308 | 18 | |||||
| Zavala County | Texas | $311 | 19 | |||||
| Chattahoochee County | Georgia | $315 | 20 | |||||
| Clayton County | Georgia | $341 | 21 | |||||
| Yukon-Koyukuk Census Area | Alaska | $349 | 22 | |||||
| Culberson County | Texas | $363 | 23 | |||||
| Webb County | Texas | $388 | 24 | |||||
| Vernon Parish | Louisiana | $391 | 25 | |||||
| Macon County | Alabama | $411 | 26 | |||||
| Imperial County | California | $411 | 26 | |||||
| Jefferson County | Mississippi | $414 | 28 | |||||
| Onslow County | North Carolina | $424 | 29 | |||||
| Berkeley County | South Carolina | $426 | 30 | |||||
| Adair County | Oklahoma | $431 | 31 | |||||
| Tooele County | Utah | $432 | 32 | |||||
| Dillon County | South Carolina | $436 | 33 | |||||
| Dillingham Census Area | Alaska | $439 | 34 | |||||
| Marlboro County | South Carolina | $449 | 35 | |||||
| Duval County | Texas | $454 | 36 | |||||
| Lee County | South Carolina | $455 | 37 | |||||
| Robeson County | North Carolina | $465 | 38 | |||||
| Heard County | Georgia | $468 | 39 | |||||
| Livingston Parish | Louisiana | $476 | 40 | |||||
| Union County | Tennessee | $479 | 41 | |||||
| Perry County | Mississippi | $480 | 42 | |||||
| Greenlee County | Arizona | $481 | 43 | |||||
| Camden County | Georgia | $484 | 44 | |||||
| Dimmit County | Texas | $490 | 45 | |||||
| Bronx County | New York | $491 | 46 | |||||
| Twiggs County | Georgia | $492 | 47 | |||||
| Hudspeth County | Texas | $496 | 48 | |||||
| Murray County | Georgia | $497 | 49 | |||||
| Prince George's County | Maryland | $497 | 49 | |||||