County ZIP codes · Georgia · FIPS 13317
Wilkes County, GA ZIP Codes
Wilkes County, Georgia has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Wilkes County and 2 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $49,107 in 30668 (Tignall) to $57,089 in 30817 (Lincolnton) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Wilkes County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $49,107 and $52,232.
They carry 5 postal town names: Lincolnton, Washington, Tignall, Crawfordville, Rayle.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 5 residential ZIP codes in Wilkes County
3 ZIP codes lie mainly in Wilkes County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 30673 | Washington | 6,394 | 23 | $52k | $136k | 100% |
| 30668 | Tignall | 2,275 | 16 | $49k | $120k | 84% |
| 30660 | Rayle | 1,040 | 10 | $54k | $107k | 63% |
Partly in Wilkes County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
4 ZIP codes of Wilkes County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Wilkes | Elsewhere |
|---|---|---|
| 30817 | 2% | Lincoln County 98% |
| 30668 | 84% | Lincoln County 16% |
| 30631 | 3% | Taliaferro County 96%; Greene County 1% |
| 30660 | 63% | Oglethorpe County 36% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Wilkes County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Wilkes County's ZIP codes use 2 prefixes: 306 and 308.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.