Social Security benefits go the farthest in these five Tennessee counties:
1. Cumberland County - cost of living $17,994 and average annual social security benefits of $21,02
2. Meigs County - cost of living $17,343 and average annual social security benefits of $20,627
3. Loudon County - cost of living $18,402 and average annual social security benefits of $21,084
4. Moore County - cost of living $17,755 and average annual social security benefits of $20,219
5. Van Buren - cost of living $16,689 and average annual social security benefits of $18,989.
Source: SmartAsset study based upon cost of living for basic necessities and average benefits received, after taxes, in each county.